./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 480f1f06610f6f9adfab86443957748cfb7bda79 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 17:19:33,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 17:19:33,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 17:19:33,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 17:19:33,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 17:19:33,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 17:19:33,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 17:19:33,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 17:19:33,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 17:19:33,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 17:19:33,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 17:19:33,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 17:19:33,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 17:19:33,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 17:19:33,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 17:19:33,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 17:19:33,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 17:19:33,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 17:19:33,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 17:19:33,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 17:19:33,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 17:19:33,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 17:19:33,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 17:19:33,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 17:19:33,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 17:19:33,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 17:19:33,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 17:19:33,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 17:19:33,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 17:19:33,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 17:19:33,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 17:19:33,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 17:19:33,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 17:19:33,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 17:19:33,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 17:19:33,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 17:19:33,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 17:19:33,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 17:19:33,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 17:19:33,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 17:19:33,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 17:19:33,673 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 17:19:33,698 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 17:19:33,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 17:19:33,699 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 17:19:33,699 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 17:19:33,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 17:19:33,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 17:19:33,700 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 17:19:33,701 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 17:19:33,701 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 17:19:33,701 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 17:19:33,701 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 17:19:33,701 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 17:19:33,702 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 17:19:33,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 17:19:33,702 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 17:19:33,702 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 17:19:33,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 17:19:33,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 17:19:33,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 17:19:33,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 17:19:33,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 17:19:33,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 17:19:33,702 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 17:19:33,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 17:19:33,702 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 17:19:33,703 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 17:19:33,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 17:19:33,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 17:19:33,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 17:19:33,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 17:19:33,703 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 17:19:33,703 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 17:19:33,704 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 17:19:33,704 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 480f1f06610f6f9adfab86443957748cfb7bda79 [2021-08-27 17:19:33,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 17:19:33,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 17:19:33,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 17:19:33,975 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 17:19:33,975 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 17:19:33,976 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c [2021-08-27 17:19:34,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e8e64f20/c306d01beb1f4da2b5f6498af0e05b4f/FLAGbe1130930 [2021-08-27 17:19:34,458 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 17:19:34,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c [2021-08-27 17:19:34,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e8e64f20/c306d01beb1f4da2b5f6498af0e05b4f/FLAGbe1130930 [2021-08-27 17:19:34,486 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e8e64f20/c306d01beb1f4da2b5f6498af0e05b4f [2021-08-27 17:19:34,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 17:19:34,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 17:19:34,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 17:19:34,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 17:19:34,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 17:19:34,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 05:19:34" (1/1) ... [2021-08-27 17:19:34,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52bdef42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:19:34, skipping insertion in model container [2021-08-27 17:19:34,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 05:19:34" (1/1) ... [2021-08-27 17:19:34,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 17:19:34,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 17:19:34,831 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c[26703,26716] [2021-08-27 17:19:34,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 17:19:34,838 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 17:19:34,897 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c[26703,26716] [2021-08-27 17:19:34,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 17:19:34,936 INFO L208 MainTranslator]: Completed translation [2021-08-27 17:19:34,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:19:34 WrapperNode [2021-08-27 17:19:34,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 17:19:34,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 17:19:34,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 17:19:34,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 17:19:34,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:19:34" (1/1) ... [2021-08-27 17:19:34,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:19:34" (1/1) ... [2021-08-27 17:19:35,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 17:19:35,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 17:19:35,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 17:19:35,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 17:19:35,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:19:34" (1/1) ... [2021-08-27 17:19:35,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:19:34" (1/1) ... [2021-08-27 17:19:35,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:19:34" (1/1) ... [2021-08-27 17:19:35,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:19:34" (1/1) ... [2021-08-27 17:19:35,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:19:34" (1/1) ... [2021-08-27 17:19:35,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:19:34" (1/1) ... [2021-08-27 17:19:35,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:19:34" (1/1) ... [2021-08-27 17:19:35,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 17:19:35,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 17:19:35,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 17:19:35,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 17:19:35,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:19:34" (1/1) ... [2021-08-27 17:19:35,095 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:35,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:35,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:19:35,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-27 17:19:35,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 17:19:35,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 17:19:35,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 17:19:35,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 17:19:35,904 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 17:19:35,904 INFO L299 CfgBuilder]: Removed 21 assume(true) statements. [2021-08-27 17:19:35,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 05:19:35 BoogieIcfgContainer [2021-08-27 17:19:35,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 17:19:35,908 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 17:19:35,908 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 17:19:35,910 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 17:19:35,911 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 17:19:35,911 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 05:19:34" (1/3) ... [2021-08-27 17:19:35,912 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23564bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 05:19:35, skipping insertion in model container [2021-08-27 17:19:35,912 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 17:19:35,912 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 05:19:34" (2/3) ... [2021-08-27 17:19:35,912 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23564bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 05:19:35, skipping insertion in model container [2021-08-27 17:19:35,912 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 17:19:35,912 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 05:19:35" (3/3) ... [2021-08-27 17:19:35,913 INFO L389 chiAutomizerObserver]: Analyzing ICFG pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c [2021-08-27 17:19:35,948 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 17:19:35,949 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 17:19:35,949 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 17:19:35,949 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 17:19:35,949 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 17:19:35,949 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 17:19:35,949 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 17:19:35,949 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 17:19:35,971 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 311 states, 310 states have (on average 1.7967741935483872) internal successors, (557), 310 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:19:36,024 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 123 [2021-08-27 17:19:36,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:19:36,025 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:19:36,035 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:19:36,035 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] [2021-08-27 17:19:36,035 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 17:19:36,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 311 states, 310 states have (on average 1.7967741935483872) internal successors, (557), 310 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:19:36,047 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 123 [2021-08-27 17:19:36,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:19:36,048 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:19:36,054 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:19:36,055 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] [2021-08-27 17:19:36,067 INFO L791 eck$LassoCheckResult]: Stem: 294#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(43);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;~newmax4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset]; 204#L-1true havoc main_#res;havoc main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~ret63, main_#t~ret64, main_#t~post65, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet19;havoc main_#t~nondet19;~ep13~0 := main_#t~nondet20;havoc main_#t~nondet20;~ep14~0 := main_#t~nondet21;havoc main_#t~nondet21;~ep21~0 := main_#t~nondet22;havoc main_#t~nondet22;~ep23~0 := main_#t~nondet23;havoc main_#t~nondet23;~ep24~0 := main_#t~nondet24;havoc main_#t~nondet24;~ep31~0 := main_#t~nondet25;havoc main_#t~nondet25;~ep32~0 := main_#t~nondet26;havoc main_#t~nondet26;~ep34~0 := main_#t~nondet27;havoc main_#t~nondet27;~ep41~0 := main_#t~nondet28;havoc main_#t~nondet28;~ep42~0 := main_#t~nondet29;havoc main_#t~nondet29;~ep43~0 := main_#t~nondet30;havoc main_#t~nondet30;~id1~0 := main_#t~nondet31;havoc main_#t~nondet31;~r1~0 := main_#t~nondet32;havoc main_#t~nondet32;~st1~0 := main_#t~nondet33;havoc main_#t~nondet33;~nl1~0 := main_#t~nondet34;havoc main_#t~nondet34;~m1~0 := main_#t~nondet35;havoc main_#t~nondet35;~max1~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode1~0 := main_#t~nondet37;havoc main_#t~nondet37;~newmax1~0 := main_#t~nondet38;havoc main_#t~nondet38;~id2~0 := main_#t~nondet39;havoc main_#t~nondet39;~r2~0 := main_#t~nondet40;havoc main_#t~nondet40;~st2~0 := main_#t~nondet41;havoc main_#t~nondet41;~nl2~0 := main_#t~nondet42;havoc main_#t~nondet42;~m2~0 := main_#t~nondet43;havoc main_#t~nondet43;~max2~0 := main_#t~nondet44;havoc main_#t~nondet44;~mode2~0 := main_#t~nondet45;havoc main_#t~nondet45;~newmax2~0 := main_#t~nondet46;havoc main_#t~nondet46;~id3~0 := main_#t~nondet47;havoc main_#t~nondet47;~r3~0 := main_#t~nondet48;havoc main_#t~nondet48;~st3~0 := main_#t~nondet49;havoc main_#t~nondet49;~nl3~0 := main_#t~nondet50;havoc main_#t~nondet50;~m3~0 := main_#t~nondet51;havoc main_#t~nondet51;~max3~0 := main_#t~nondet52;havoc main_#t~nondet52;~mode3~0 := main_#t~nondet53;havoc main_#t~nondet53;~newmax3~0 := main_#t~nondet54;havoc main_#t~nondet54;~id4~0 := main_#t~nondet55;havoc main_#t~nondet55;~r4~0 := main_#t~nondet56;havoc main_#t~nondet56;~st4~0 := main_#t~nondet57;havoc main_#t~nondet57;~nl4~0 := main_#t~nondet58;havoc main_#t~nondet58;~m4~0 := main_#t~nondet59;havoc main_#t~nondet59;~max4~0 := main_#t~nondet60;havoc main_#t~nondet60;~mode4~0 := main_#t~nondet61;havoc main_#t~nondet61;~newmax4~0 := main_#t~nondet62;havoc main_#t~nondet62;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r141~0, init_~r211~0, init_~r231~0, init_~r241~0, init_~r311~0, init_~r321~0, init_~r341~0, init_~r411~0, init_~r421~0, init_~r431~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r142~0, init_~tmp___1~0, init_~r212~0, init_~tmp___2~0, init_~r232~0, init_~tmp___3~0, init_~r242~0, init_~tmp___4~0, init_~r312~0, init_~tmp___5~0, init_~r322~0, init_~tmp___6~0, init_~r342~0, init_~tmp___7~0, init_~r412~0, init_~tmp___8~0, init_~r422~0, init_~tmp___9~0, init_~r432~0, init_~tmp___10~0, init_~r123~0, init_~tmp___11~0, init_~r133~0, init_~tmp___12~0, init_~r143~0, init_~tmp___13~0, init_~r213~0, init_~tmp___14~0, init_~r233~0, init_~tmp___15~0, init_~r243~0, init_~tmp___16~0, init_~r313~0, init_~tmp___17~0, init_~r323~0, init_~tmp___18~0, init_~r343~0, init_~tmp___19~0, init_~r413~0, init_~tmp___20~0, init_~r423~0, init_~tmp___21~0, init_~r433~0, init_~tmp___22~0, init_~tmp___23~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r141~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r241~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r341~0;havoc init_~r411~0;havoc init_~r421~0;havoc init_~r431~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r142~0;havoc init_~tmp___1~0;havoc init_~r212~0;havoc init_~tmp___2~0;havoc init_~r232~0;havoc init_~tmp___3~0;havoc init_~r242~0;havoc init_~tmp___4~0;havoc init_~r312~0;havoc init_~tmp___5~0;havoc init_~r322~0;havoc init_~tmp___6~0;havoc init_~r342~0;havoc init_~tmp___7~0;havoc init_~r412~0;havoc init_~tmp___8~0;havoc init_~r422~0;havoc init_~tmp___9~0;havoc init_~r432~0;havoc init_~tmp___10~0;havoc init_~r123~0;havoc init_~tmp___11~0;havoc init_~r133~0;havoc init_~tmp___12~0;havoc init_~r143~0;havoc init_~tmp___13~0;havoc init_~r213~0;havoc init_~tmp___14~0;havoc init_~r233~0;havoc init_~tmp___15~0;havoc init_~r243~0;havoc init_~tmp___16~0;havoc init_~r313~0;havoc init_~tmp___17~0;havoc init_~r323~0;havoc init_~tmp___18~0;havoc init_~r343~0;havoc init_~tmp___19~0;havoc init_~r413~0;havoc init_~tmp___20~0;havoc init_~r423~0;havoc init_~tmp___21~0;havoc init_~r433~0;havoc init_~tmp___22~0;havoc init_~tmp___23~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r141~0 := ~ep14~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r241~0 := ~ep24~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0;init_~r341~0 := ~ep34~0;init_~r411~0 := ~ep41~0;init_~r421~0 := ~ep42~0;init_~r431~0 := ~ep43~0; 185#L442true assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 208#L453true init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 205#L463true assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 73#L474true init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 143#L484true assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 181#L495true init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 196#L505true assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 255#L516true init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 268#L526true assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 107#L537true init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 198#L547true assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 150#L558true init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 312#L568true assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 167#L579true init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 170#L589true assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 129#L600true init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 220#L610true assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 75#L621true init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 240#L631true assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 61#L642true init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 308#L652true assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 26#L663true init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 186#L673true assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 162#L684true init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 114#L694true assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 281#L705true init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 23#L715true assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 261#L726true init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 201#L736true assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 169#L747true init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 74#L757true assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 12#L768true init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 171#L778true assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 85#L789true init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 146#L799true assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 161#L810true init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 187#L820true assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 262#L831true init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 246#L841true assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 173#L852true init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 96#L862true assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 56#L873true init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 200#L883true assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 42#L894true init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 182#L904true assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 118#L915true init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 102#L925true assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 202#L936true init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 300#L946true assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 103#L946-1true init_#res := init_~tmp___23~0; 183#L1083true main_#t~ret63 := init_#res;main_~i2~0 := main_#t~ret63;havoc main_#t~ret63;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 123#L21true assume !(0 == assume_abort_if_not_~cond); 178#L20true ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0 := 0; 296#L1224-2true [2021-08-27 17:19:36,070 INFO L793 eck$LassoCheckResult]: Loop: 296#L1224-2true assume !!(main_~i2~0 < 8);havoc node1_#t~ite7, node1_#t~ite8, node1_#t~ite9, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 69#L114true assume !(0 != ~mode1~0 % 256); 271#L150true assume !(~r1~0 < 3); 164#L150-1true ~mode1~0 := 1; 54#L114-2true havoc node2_#t~ite10, node2_#t~ite11, node2_#t~ite12, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 38#L178true assume !(0 != ~mode2~0 % 256); 302#L214true assume !(~r2~0 < 3); 104#L214-1true ~mode2~0 := 1; 165#L178-2true havoc node3_#t~ite13, node3_#t~ite14, node3_#t~ite15, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 310#L242true assume !(0 != ~mode3~0 % 256); 158#L278true assume !(~r3~0 < 3); 125#L278-1true ~mode3~0 := 1; 219#L242-2true havoc node4_#t~ite16, node4_#t~ite17, node4_#t~ite18, node4_~newmax~3;havoc node4_~newmax~3;node4_~newmax~3 := 0; 148#L306true assume !(0 != ~mode4~0 % 256); 47#L342true assume !(~r4~0 < 3); 18#L342-1true ~mode4~0 := 1; 59#L306-2true ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 79#L1091true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1 := 0; 134#L1091-1true check_#res := check_~tmp~1; 105#L1143true main_#t~ret64 := check_#res;main_~c1~0 := main_#t~ret64;havoc main_#t~ret64;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 36#L1267true assume !(0 == assert_~arg % 256); 265#L1262true main_#t~post65 := main_~i2~0;main_~i2~0 := 1 + main_#t~post65;havoc main_#t~post65; 296#L1224-2true [2021-08-27 17:19:36,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:19:36,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1995424982, now seen corresponding path program 1 times [2021-08-27 17:19:36,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:19:36,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838708343] [2021-08-27 17:19:36,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:19:36,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:19:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:19:36,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:19:36,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 17:19:36,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838708343] [2021-08-27 17:19:36,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838708343] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 17:19:36,406 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 17:19:36,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 17:19:36,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096033710] [2021-08-27 17:19:36,414 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 17:19:36,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:19:36,416 INFO L82 PathProgramCache]: Analyzing trace with hash 967034741, now seen corresponding path program 1 times [2021-08-27 17:19:36,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:19:36,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508913253] [2021-08-27 17:19:36,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:19:36,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:19:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:19:36,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:19:36,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 17:19:36,519 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508913253] [2021-08-27 17:19:36,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508913253] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 17:19:36,520 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 17:19:36,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 17:19:36,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214968557] [2021-08-27 17:19:36,521 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 17:19:36,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 17:19:36,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 17:19:36,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 17:19:36,532 INFO L87 Difference]: Start difference. First operand has 311 states, 310 states have (on average 1.7967741935483872) internal successors, (557), 310 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 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) [2021-08-27 17:19:36,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 17:19:36,619 INFO L93 Difference]: Finished difference Result 315 states and 557 transitions. [2021-08-27 17:19:36,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 17:19:36,621 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 315 states and 557 transitions. [2021-08-27 17:19:36,625 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 122 [2021-08-27 17:19:36,631 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 315 states to 306 states and 540 transitions. [2021-08-27 17:19:36,632 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 306 [2021-08-27 17:19:36,633 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 306 [2021-08-27 17:19:36,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 306 states and 540 transitions. [2021-08-27 17:19:36,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 17:19:36,638 INFO L681 BuchiCegarLoop]: Abstraction has 306 states and 540 transitions. [2021-08-27 17:19:36,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states and 540 transitions. [2021-08-27 17:19:36,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2021-08-27 17:19:36,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 306 states have (on average 1.7647058823529411) internal successors, (540), 305 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:19:36,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 540 transitions. [2021-08-27 17:19:36,685 INFO L704 BuchiCegarLoop]: Abstraction has 306 states and 540 transitions. [2021-08-27 17:19:36,685 INFO L587 BuchiCegarLoop]: Abstraction has 306 states and 540 transitions. [2021-08-27 17:19:36,685 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 17:19:36,686 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 306 states and 540 transitions. [2021-08-27 17:19:36,687 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 122 [2021-08-27 17:19:36,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:19:36,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:19:36,690 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:19:36,690 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:19:36,691 INFO L791 eck$LassoCheckResult]: Stem: 948#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(43);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;~newmax4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset]; 924#L-1 havoc main_#res;havoc main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~ret63, main_#t~ret64, main_#t~post65, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet19;havoc main_#t~nondet19;~ep13~0 := main_#t~nondet20;havoc main_#t~nondet20;~ep14~0 := main_#t~nondet21;havoc main_#t~nondet21;~ep21~0 := main_#t~nondet22;havoc main_#t~nondet22;~ep23~0 := main_#t~nondet23;havoc main_#t~nondet23;~ep24~0 := main_#t~nondet24;havoc main_#t~nondet24;~ep31~0 := main_#t~nondet25;havoc main_#t~nondet25;~ep32~0 := main_#t~nondet26;havoc main_#t~nondet26;~ep34~0 := main_#t~nondet27;havoc main_#t~nondet27;~ep41~0 := main_#t~nondet28;havoc main_#t~nondet28;~ep42~0 := main_#t~nondet29;havoc main_#t~nondet29;~ep43~0 := main_#t~nondet30;havoc main_#t~nondet30;~id1~0 := main_#t~nondet31;havoc main_#t~nondet31;~r1~0 := main_#t~nondet32;havoc main_#t~nondet32;~st1~0 := main_#t~nondet33;havoc main_#t~nondet33;~nl1~0 := main_#t~nondet34;havoc main_#t~nondet34;~m1~0 := main_#t~nondet35;havoc main_#t~nondet35;~max1~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode1~0 := main_#t~nondet37;havoc main_#t~nondet37;~newmax1~0 := main_#t~nondet38;havoc main_#t~nondet38;~id2~0 := main_#t~nondet39;havoc main_#t~nondet39;~r2~0 := main_#t~nondet40;havoc main_#t~nondet40;~st2~0 := main_#t~nondet41;havoc main_#t~nondet41;~nl2~0 := main_#t~nondet42;havoc main_#t~nondet42;~m2~0 := main_#t~nondet43;havoc main_#t~nondet43;~max2~0 := main_#t~nondet44;havoc main_#t~nondet44;~mode2~0 := main_#t~nondet45;havoc main_#t~nondet45;~newmax2~0 := main_#t~nondet46;havoc main_#t~nondet46;~id3~0 := main_#t~nondet47;havoc main_#t~nondet47;~r3~0 := main_#t~nondet48;havoc main_#t~nondet48;~st3~0 := main_#t~nondet49;havoc main_#t~nondet49;~nl3~0 := main_#t~nondet50;havoc main_#t~nondet50;~m3~0 := main_#t~nondet51;havoc main_#t~nondet51;~max3~0 := main_#t~nondet52;havoc main_#t~nondet52;~mode3~0 := main_#t~nondet53;havoc main_#t~nondet53;~newmax3~0 := main_#t~nondet54;havoc main_#t~nondet54;~id4~0 := main_#t~nondet55;havoc main_#t~nondet55;~r4~0 := main_#t~nondet56;havoc main_#t~nondet56;~st4~0 := main_#t~nondet57;havoc main_#t~nondet57;~nl4~0 := main_#t~nondet58;havoc main_#t~nondet58;~m4~0 := main_#t~nondet59;havoc main_#t~nondet59;~max4~0 := main_#t~nondet60;havoc main_#t~nondet60;~mode4~0 := main_#t~nondet61;havoc main_#t~nondet61;~newmax4~0 := main_#t~nondet62;havoc main_#t~nondet62;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r141~0, init_~r211~0, init_~r231~0, init_~r241~0, init_~r311~0, init_~r321~0, init_~r341~0, init_~r411~0, init_~r421~0, init_~r431~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r142~0, init_~tmp___1~0, init_~r212~0, init_~tmp___2~0, init_~r232~0, init_~tmp___3~0, init_~r242~0, init_~tmp___4~0, init_~r312~0, init_~tmp___5~0, init_~r322~0, init_~tmp___6~0, init_~r342~0, init_~tmp___7~0, init_~r412~0, init_~tmp___8~0, init_~r422~0, init_~tmp___9~0, init_~r432~0, init_~tmp___10~0, init_~r123~0, init_~tmp___11~0, init_~r133~0, init_~tmp___12~0, init_~r143~0, init_~tmp___13~0, init_~r213~0, init_~tmp___14~0, init_~r233~0, init_~tmp___15~0, init_~r243~0, init_~tmp___16~0, init_~r313~0, init_~tmp___17~0, init_~r323~0, init_~tmp___18~0, init_~r343~0, init_~tmp___19~0, init_~r413~0, init_~tmp___20~0, init_~r423~0, init_~tmp___21~0, init_~r433~0, init_~tmp___22~0, init_~tmp___23~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r141~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r241~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r341~0;havoc init_~r411~0;havoc init_~r421~0;havoc init_~r431~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r142~0;havoc init_~tmp___1~0;havoc init_~r212~0;havoc init_~tmp___2~0;havoc init_~r232~0;havoc init_~tmp___3~0;havoc init_~r242~0;havoc init_~tmp___4~0;havoc init_~r312~0;havoc init_~tmp___5~0;havoc init_~r322~0;havoc init_~tmp___6~0;havoc init_~r342~0;havoc init_~tmp___7~0;havoc init_~r412~0;havoc init_~tmp___8~0;havoc init_~r422~0;havoc init_~tmp___9~0;havoc init_~r432~0;havoc init_~tmp___10~0;havoc init_~r123~0;havoc init_~tmp___11~0;havoc init_~r133~0;havoc init_~tmp___12~0;havoc init_~r143~0;havoc init_~tmp___13~0;havoc init_~r213~0;havoc init_~tmp___14~0;havoc init_~r233~0;havoc init_~tmp___15~0;havoc init_~r243~0;havoc init_~tmp___16~0;havoc init_~r313~0;havoc init_~tmp___17~0;havoc init_~r323~0;havoc init_~tmp___18~0;havoc init_~r343~0;havoc init_~tmp___19~0;havoc init_~r413~0;havoc init_~tmp___20~0;havoc init_~r423~0;havoc init_~tmp___21~0;havoc init_~r433~0;havoc init_~tmp___22~0;havoc init_~tmp___23~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r141~0 := ~ep14~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r241~0 := ~ep24~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0;init_~r341~0 := ~ep34~0;init_~r411~0 := ~ep41~0;init_~r421~0 := ~ep42~0;init_~r431~0 := ~ep43~0; 912#L442 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 658#L453 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 925#L463 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 792#L474 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 793#L484 assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 805#L495 init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 909#L505 assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 758#L516 init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 945#L526 assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 761#L537 init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 841#L547 assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 884#L558 init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 885#L568 assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 648#L579 init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 903#L589 assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 825#L600 init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 862#L610 assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 791#L621 init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 796#L631 assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 716#L642 init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 774#L652 assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 701#L663 init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 702#L673 assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 672#L684 init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 847#L694 assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 848#L705 init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 692#L715 assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 675#L726 init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 922#L736 assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 748#L747 init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 794#L757 assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 666#L768 init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 667#L778 assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 807#L789 init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 808#L799 assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 713#L810 init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 900#L820 assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 653#L831 init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 942#L841 assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 766#L852 init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 827#L862 assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 763#L873 init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 764#L883 assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 735#L894 init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 736#L904 assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 831#L915 init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 835#L925 assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 811#L936 init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 923#L946 assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 656#L946-1 init_#res := init_~tmp___23~0; 838#L1083 main_#t~ret63 := init_#res;main_~i2~0 := main_#t~ret63;havoc main_#t~ret63;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 858#L21 assume !(0 == assume_abort_if_not_~cond); 859#L20 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0 := 0; 907#L1224-2 [2021-08-27 17:19:36,691 INFO L793 eck$LassoCheckResult]: Loop: 907#L1224-2 assume !!(main_~i2~0 < 8);havoc node1_#t~ite7, node1_#t~ite8, node1_#t~ite9, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 784#L114 assume !(0 != ~mode1~0 % 256); 786#L150 assume !(~r1~0 < 3); 780#L150-1 ~mode1~0 := 1; 759#L114-2 havoc node2_#t~ite10, node2_#t~ite11, node2_#t~ite12, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 725#L178 assume !(0 != ~mode2~0 % 256); 726#L214 assume !(~r2~0 < 3); 689#L214-1 ~mode2~0 := 1; 837#L178-2 havoc node3_#t~ite13, node3_#t~ite14, node3_#t~ite15, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 902#L242 assume !(0 != ~mode3~0 % 256); 893#L278 assume !(~r3~0 < 3); 797#L278-1 ~mode3~0 := 1; 857#L242-2 havoc node4_#t~ite16, node4_#t~ite17, node4_#t~ite18, node4_~newmax~3;havoc node4_~newmax~3;node4_~newmax~3 := 0; 878#L306 assume !(0 != ~mode4~0 % 256); 741#L342 assume !(~r4~0 < 3); 681#L342-1 ~mode4~0 := 1; 682#L306-2 ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 769#L1091 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 800#L1092 assume ~st1~0 + ~nl1~0 <= 1; 911#L1093 assume ~st2~0 + ~nl2~0 <= 1; 938#L1094 assume ~st3~0 + ~nl3~0 <= 1; 931#L1095 assume ~st4~0 + ~nl4~0 <= 1; 881#L1096 assume ~r1~0 >= 3; 882#L1100 assume ~r1~0 < 3; 813#L1105 assume ~r1~0 >= 3; 814#L1110 assume ~r1~0 < 3;check_~tmp~1 := 1; 868#L1091-1 check_#res := check_~tmp~1; 839#L1143 main_#t~ret64 := check_#res;main_~c1~0 := main_#t~ret64;havoc main_#t~ret64;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 723#L1267 assume !(0 == assert_~arg % 256); 724#L1262 main_#t~post65 := main_~i2~0;main_~i2~0 := 1 + main_#t~post65;havoc main_#t~post65; 907#L1224-2 [2021-08-27 17:19:36,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:19:36,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1995424982, now seen corresponding path program 2 times [2021-08-27 17:19:36,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:19:36,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998125420] [2021-08-27 17:19:36,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:19:36,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:19:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:19:36,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:19:36,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 17:19:36,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998125420] [2021-08-27 17:19:36,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998125420] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 17:19:36,794 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 17:19:36,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 17:19:36,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374825980] [2021-08-27 17:19:36,795 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 17:19:36,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:19:36,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1889919164, now seen corresponding path program 1 times [2021-08-27 17:19:36,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:19:36,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285092689] [2021-08-27 17:19:36,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:19:36,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:19:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:19:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:19:36,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 17:19:36,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285092689] [2021-08-27 17:19:36,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285092689] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 17:19:36,828 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 17:19:36,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 17:19:36,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514148954] [2021-08-27 17:19:36,829 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 17:19:36,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 17:19:36,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 17:19:36,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 17:19:36,831 INFO L87 Difference]: Start difference. First operand 306 states and 540 transitions. cyclomatic complexity: 235 Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:19:36,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 17:19:36,885 INFO L93 Difference]: Finished difference Result 403 states and 695 transitions. [2021-08-27 17:19:36,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 17:19:36,885 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 403 states and 695 transitions. [2021-08-27 17:19:36,888 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 219 [2021-08-27 17:19:36,890 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 403 states to 403 states and 695 transitions. [2021-08-27 17:19:36,890 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 403 [2021-08-27 17:19:36,890 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 403 [2021-08-27 17:19:36,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 403 states and 695 transitions. [2021-08-27 17:19:36,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 17:19:36,892 INFO L681 BuchiCegarLoop]: Abstraction has 403 states and 695 transitions. [2021-08-27 17:19:36,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states and 695 transitions. [2021-08-27 17:19:36,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2021-08-27 17:19:36,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 403 states have (on average 1.7245657568238213) internal successors, (695), 402 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:19:36,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 695 transitions. [2021-08-27 17:19:36,900 INFO L704 BuchiCegarLoop]: Abstraction has 403 states and 695 transitions. [2021-08-27 17:19:36,900 INFO L587 BuchiCegarLoop]: Abstraction has 403 states and 695 transitions. [2021-08-27 17:19:36,900 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 17:19:36,900 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 403 states and 695 transitions. [2021-08-27 17:19:36,902 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 219 [2021-08-27 17:19:36,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 17:19:36,902 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 17:19:36,903 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 17:19:36,903 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] [2021-08-27 17:19:36,903 INFO L791 eck$LassoCheckResult]: Stem: 1671#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(43);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~newmax1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~newmax2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~newmax3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;~newmax4~0 := 0;~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[0 := #funAddr~node1.base], ~nodes~0.offset[0 := #funAddr~node1.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[1 := #funAddr~node2.base], ~nodes~0.offset[1 := #funAddr~node2.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[2 := #funAddr~node3.base], ~nodes~0.offset[2 := #funAddr~node3.offset];~nodes~0.base, ~nodes~0.offset := ~nodes~0.base[3 := #funAddr~node4.base], ~nodes~0.offset[3 := #funAddr~node4.offset]; 1644#L-1 havoc main_#res;havoc main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~ret63, main_#t~ret64, main_#t~post65, main_~c1~0, main_~i2~0;havoc main_~c1~0;havoc main_~i2~0;main_~c1~0 := 0;~ep12~0 := main_#t~nondet19;havoc main_#t~nondet19;~ep13~0 := main_#t~nondet20;havoc main_#t~nondet20;~ep14~0 := main_#t~nondet21;havoc main_#t~nondet21;~ep21~0 := main_#t~nondet22;havoc main_#t~nondet22;~ep23~0 := main_#t~nondet23;havoc main_#t~nondet23;~ep24~0 := main_#t~nondet24;havoc main_#t~nondet24;~ep31~0 := main_#t~nondet25;havoc main_#t~nondet25;~ep32~0 := main_#t~nondet26;havoc main_#t~nondet26;~ep34~0 := main_#t~nondet27;havoc main_#t~nondet27;~ep41~0 := main_#t~nondet28;havoc main_#t~nondet28;~ep42~0 := main_#t~nondet29;havoc main_#t~nondet29;~ep43~0 := main_#t~nondet30;havoc main_#t~nondet30;~id1~0 := main_#t~nondet31;havoc main_#t~nondet31;~r1~0 := main_#t~nondet32;havoc main_#t~nondet32;~st1~0 := main_#t~nondet33;havoc main_#t~nondet33;~nl1~0 := main_#t~nondet34;havoc main_#t~nondet34;~m1~0 := main_#t~nondet35;havoc main_#t~nondet35;~max1~0 := main_#t~nondet36;havoc main_#t~nondet36;~mode1~0 := main_#t~nondet37;havoc main_#t~nondet37;~newmax1~0 := main_#t~nondet38;havoc main_#t~nondet38;~id2~0 := main_#t~nondet39;havoc main_#t~nondet39;~r2~0 := main_#t~nondet40;havoc main_#t~nondet40;~st2~0 := main_#t~nondet41;havoc main_#t~nondet41;~nl2~0 := main_#t~nondet42;havoc main_#t~nondet42;~m2~0 := main_#t~nondet43;havoc main_#t~nondet43;~max2~0 := main_#t~nondet44;havoc main_#t~nondet44;~mode2~0 := main_#t~nondet45;havoc main_#t~nondet45;~newmax2~0 := main_#t~nondet46;havoc main_#t~nondet46;~id3~0 := main_#t~nondet47;havoc main_#t~nondet47;~r3~0 := main_#t~nondet48;havoc main_#t~nondet48;~st3~0 := main_#t~nondet49;havoc main_#t~nondet49;~nl3~0 := main_#t~nondet50;havoc main_#t~nondet50;~m3~0 := main_#t~nondet51;havoc main_#t~nondet51;~max3~0 := main_#t~nondet52;havoc main_#t~nondet52;~mode3~0 := main_#t~nondet53;havoc main_#t~nondet53;~newmax3~0 := main_#t~nondet54;havoc main_#t~nondet54;~id4~0 := main_#t~nondet55;havoc main_#t~nondet55;~r4~0 := main_#t~nondet56;havoc main_#t~nondet56;~st4~0 := main_#t~nondet57;havoc main_#t~nondet57;~nl4~0 := main_#t~nondet58;havoc main_#t~nondet58;~m4~0 := main_#t~nondet59;havoc main_#t~nondet59;~max4~0 := main_#t~nondet60;havoc main_#t~nondet60;~mode4~0 := main_#t~nondet61;havoc main_#t~nondet61;~newmax4~0 := main_#t~nondet62;havoc main_#t~nondet62;havoc init_#res;havoc init_~r121~0, init_~r131~0, init_~r141~0, init_~r211~0, init_~r231~0, init_~r241~0, init_~r311~0, init_~r321~0, init_~r341~0, init_~r411~0, init_~r421~0, init_~r431~0, init_~r122~0, init_~tmp~0, init_~r132~0, init_~tmp___0~0, init_~r142~0, init_~tmp___1~0, init_~r212~0, init_~tmp___2~0, init_~r232~0, init_~tmp___3~0, init_~r242~0, init_~tmp___4~0, init_~r312~0, init_~tmp___5~0, init_~r322~0, init_~tmp___6~0, init_~r342~0, init_~tmp___7~0, init_~r412~0, init_~tmp___8~0, init_~r422~0, init_~tmp___9~0, init_~r432~0, init_~tmp___10~0, init_~r123~0, init_~tmp___11~0, init_~r133~0, init_~tmp___12~0, init_~r143~0, init_~tmp___13~0, init_~r213~0, init_~tmp___14~0, init_~r233~0, init_~tmp___15~0, init_~r243~0, init_~tmp___16~0, init_~r313~0, init_~tmp___17~0, init_~r323~0, init_~tmp___18~0, init_~r343~0, init_~tmp___19~0, init_~r413~0, init_~tmp___20~0, init_~r423~0, init_~tmp___21~0, init_~r433~0, init_~tmp___22~0, init_~tmp___23~0;havoc init_~r121~0;havoc init_~r131~0;havoc init_~r141~0;havoc init_~r211~0;havoc init_~r231~0;havoc init_~r241~0;havoc init_~r311~0;havoc init_~r321~0;havoc init_~r341~0;havoc init_~r411~0;havoc init_~r421~0;havoc init_~r431~0;havoc init_~r122~0;havoc init_~tmp~0;havoc init_~r132~0;havoc init_~tmp___0~0;havoc init_~r142~0;havoc init_~tmp___1~0;havoc init_~r212~0;havoc init_~tmp___2~0;havoc init_~r232~0;havoc init_~tmp___3~0;havoc init_~r242~0;havoc init_~tmp___4~0;havoc init_~r312~0;havoc init_~tmp___5~0;havoc init_~r322~0;havoc init_~tmp___6~0;havoc init_~r342~0;havoc init_~tmp___7~0;havoc init_~r412~0;havoc init_~tmp___8~0;havoc init_~r422~0;havoc init_~tmp___9~0;havoc init_~r432~0;havoc init_~tmp___10~0;havoc init_~r123~0;havoc init_~tmp___11~0;havoc init_~r133~0;havoc init_~tmp___12~0;havoc init_~r143~0;havoc init_~tmp___13~0;havoc init_~r213~0;havoc init_~tmp___14~0;havoc init_~r233~0;havoc init_~tmp___15~0;havoc init_~r243~0;havoc init_~tmp___16~0;havoc init_~r313~0;havoc init_~tmp___17~0;havoc init_~r323~0;havoc init_~tmp___18~0;havoc init_~r343~0;havoc init_~tmp___19~0;havoc init_~r413~0;havoc init_~tmp___20~0;havoc init_~r423~0;havoc init_~tmp___21~0;havoc init_~r433~0;havoc init_~tmp___22~0;havoc init_~tmp___23~0;init_~r121~0 := ~ep12~0;init_~r131~0 := ~ep13~0;init_~r141~0 := ~ep14~0;init_~r211~0 := ~ep21~0;init_~r231~0 := ~ep23~0;init_~r241~0 := ~ep24~0;init_~r311~0 := ~ep31~0;init_~r321~0 := ~ep32~0;init_~r341~0 := ~ep34~0;init_~r411~0 := ~ep41~0;init_~r421~0 := ~ep42~0;init_~r431~0 := ~ep43~0; 1632#L442 assume 0 != init_~r121~0 % 256;init_~tmp~0 := 1; 1378#L453 init_~r122~0 := (if 0 == init_~tmp~0 then 0 else 1); 1645#L463 assume 0 != init_~r131~0 % 256;init_~tmp___0~0 := 1; 1510#L474 init_~r132~0 := (if 0 == init_~tmp___0~0 then 0 else 1); 1511#L484 assume 0 != init_~r141~0 % 256;init_~tmp___1~0 := 1; 1523#L495 init_~r142~0 := (if 0 == init_~tmp___1~0 then 0 else 1); 1630#L505 assume 0 != init_~r211~0 % 256;init_~tmp___2~0 := 1; 1477#L516 init_~r212~0 := (if 0 == init_~tmp___2~0 then 0 else 1); 1665#L526 assume 0 != init_~r231~0 % 256;init_~tmp___3~0 := 1; 1479#L537 init_~r232~0 := (if 0 == init_~tmp___3~0 then 0 else 1); 1559#L547 assume 0 != init_~r241~0 % 256;init_~tmp___4~0 := 1; 1603#L558 init_~r242~0 := (if 0 == init_~tmp___4~0 then 0 else 1); 1604#L568 assume 0 != init_~r311~0 % 256;init_~tmp___5~0 := 1; 1369#L579 init_~r312~0 := (if 0 == init_~tmp___5~0 then 0 else 1); 1623#L589 assume 0 != init_~r321~0 % 256;init_~tmp___6~0 := 1; 1542#L600 init_~r322~0 := (if 0 == init_~tmp___6~0 then 0 else 1); 1582#L610 assume 0 != init_~r341~0 % 256;init_~tmp___7~0 := 1; 1509#L621 init_~r342~0 := (if 0 == init_~tmp___7~0 then 0 else 1); 1514#L631 assume 0 != init_~r411~0 % 256;init_~tmp___8~0 := 1; 1434#L642 init_~r412~0 := (if 0 == init_~tmp___8~0 then 0 else 1); 1495#L652 assume 0 != init_~r421~0 % 256;init_~tmp___9~0 := 1; 1419#L663 init_~r422~0 := (if 0 == init_~tmp___9~0 then 0 else 1); 1420#L673 assume 0 != init_~r431~0 % 256;init_~tmp___10~0 := 1; 1387#L684 init_~r432~0 := (if 0 == init_~tmp___10~0 then 0 else 1); 1564#L694 assume 0 != init_~r122~0 % 256;init_~tmp___11~0 := 1; 1565#L705 init_~r123~0 := (if 0 == init_~tmp___11~0 then 0 else 1); 1410#L715 assume 0 != init_~r132~0 % 256;init_~tmp___12~0 := 1; 1390#L726 init_~r133~0 := (if 0 == init_~tmp___12~0 then 0 else 1); 1642#L736 assume 0 != init_~r142~0 % 256;init_~tmp___13~0 := 1; 1466#L747 init_~r143~0 := (if 0 == init_~tmp___13~0 then 0 else 1); 1512#L757 assume 0 != init_~r212~0 % 256;init_~tmp___14~0 := 1; 1384#L768 init_~r213~0 := (if 0 == init_~tmp___14~0 then 0 else 1); 1385#L778 assume 0 != init_~r232~0 % 256;init_~tmp___15~0 := 1; 1525#L789 init_~r233~0 := (if 0 == init_~tmp___15~0 then 0 else 1); 1526#L799 assume 0 != init_~r242~0 % 256;init_~tmp___16~0 := 1; 1429#L810 init_~r243~0 := (if 0 == init_~tmp___16~0 then 0 else 1); 1619#L820 assume 0 != init_~r312~0 % 256;init_~tmp___17~0 := 1; 1371#L831 init_~r313~0 := (if 0 == init_~tmp___17~0 then 0 else 1); 1662#L841 assume 0 != init_~r322~0 % 256;init_~tmp___18~0 := 1; 1484#L852 init_~r323~0 := (if 0 == init_~tmp___18~0 then 0 else 1); 1543#L862 assume 0 != init_~r342~0 % 256;init_~tmp___19~0 := 1; 1481#L873 init_~r343~0 := (if 0 == init_~tmp___19~0 then 0 else 1); 1482#L883 assume 0 != init_~r412~0 % 256;init_~tmp___20~0 := 1; 1453#L894 init_~r413~0 := (if 0 == init_~tmp___20~0 then 0 else 1); 1454#L904 assume 0 != init_~r422~0 % 256;init_~tmp___21~0 := 1; 1548#L915 init_~r423~0 := (if 0 == init_~tmp___21~0 then 0 else 1); 1552#L925 assume 0 != init_~r432~0 % 256;init_~tmp___22~0 := 1; 1529#L936 init_~r433~0 := (if 0 == init_~tmp___22~0 then 0 else 1); 1643#L946 assume !(~id1~0 != ~id2~0);init_~tmp___23~0 := 0; 1373#L946-1 init_#res := init_~tmp___23~0; 1554#L1083 main_#t~ret63 := init_#res;main_~i2~0 := main_#t~ret63;havoc main_#t~ret63;assume_abort_if_not_#in~cond := main_~i2~0;havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; 1574#L21 assume !(0 == assume_abort_if_not_~cond); 1575#L20 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0 := 0; 1627#L1224-2 [2021-08-27 17:19:36,903 INFO L793 eck$LassoCheckResult]: Loop: 1627#L1224-2 assume !!(main_~i2~0 < 8);havoc node1_#t~ite7, node1_#t~ite8, node1_#t~ite9, node1_~newmax~0;havoc node1_~newmax~0;node1_~newmax~0 := 0; 1760#L114 assume !(0 != ~mode1~0 % 256); 1759#L150 assume ~r1~0 < 3; 1557#L151 assume !(0 != ~ep12~0 % 256); 1449#L151-1 assume !(0 != ~ep13~0 % 256); 1383#L156 assume !(0 != ~ep14~0 % 256); 1498#L150-1 ~mode1~0 := 1; 1734#L114-2 havoc node2_#t~ite10, node2_#t~ite11, node2_#t~ite12, node2_~newmax~1;havoc node2_~newmax~1;node2_~newmax~1 := 0; 1732#L178 assume !(0 != ~mode2~0 % 256); 1719#L214 assume !(~r2~0 < 3); 1718#L214-1 ~mode2~0 := 1; 1716#L178-2 havoc node3_#t~ite13, node3_#t~ite14, node3_#t~ite15, node3_~newmax~2;havoc node3_~newmax~2;node3_~newmax~2 := 0; 1714#L242 assume !(0 != ~mode3~0 % 256); 1709#L278 assume !(~r3~0 < 3); 1700#L278-1 ~mode3~0 := 1; 1698#L242-2 havoc node4_#t~ite16, node4_#t~ite17, node4_#t~ite18, node4_~newmax~3;havoc node4_~newmax~3;node4_~newmax~3 := 0; 1697#L306 assume !(0 != ~mode4~0 % 256); 1684#L342 assume !(~r4~0 < 3); 1681#L342-1 ~mode4~0 := 1; 1679#L306-2 ~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;havoc check_#res;havoc check_~tmp~1;havoc check_~tmp~1; 1678#L1091 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 1677#L1092 assume ~st1~0 + ~nl1~0 <= 1; 1676#L1093 assume ~st2~0 + ~nl2~0 <= 1; 1675#L1094 assume ~st3~0 + ~nl3~0 <= 1; 1674#L1095 assume ~st4~0 + ~nl4~0 <= 1; 1673#L1096 assume !(~r1~0 >= 3); 1666#L1099 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; 1667#L1100 assume ~r1~0 < 3; 1758#L1105 assume !(~r1~0 >= 3); 1577#L1109 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; 1578#L1110 assume ~r1~0 < 3;check_~tmp~1 := 1; 1764#L1091-1 check_#res := check_~tmp~1; 1763#L1143 main_#t~ret64 := check_#res;main_~c1~0 := main_#t~ret64;havoc main_#t~ret64;assert_#in~arg := (if 0 == main_~c1~0 then 0 else 1);havoc assert_~arg;assert_~arg := assert_#in~arg; 1762#L1267 assume !(0 == assert_~arg % 256); 1761#L1262 main_#t~post65 := main_~i2~0;main_~i2~0 := 1 + main_#t~post65;havoc main_#t~post65; 1627#L1224-2 [2021-08-27 17:19:36,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:19:36,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1995424982, now seen corresponding path program 3 times [2021-08-27 17:19:36,904 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:19:36,904 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750370393] [2021-08-27 17:19:36,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:19:36,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:19:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:19:36,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:19:36,949 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 17:19:36,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750370393] [2021-08-27 17:19:36,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750370393] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 17:19:36,950 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 17:19:36,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 17:19:36,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360203801] [2021-08-27 17:19:36,950 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 17:19:36,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:19:36,951 INFO L82 PathProgramCache]: Analyzing trace with hash 2081002357, now seen corresponding path program 1 times [2021-08-27 17:19:36,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 17:19:36,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336135557] [2021-08-27 17:19:36,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 17:19:36,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 17:19:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:19:36,957 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 17:19:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 17:19:36,988 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 17:19:38,013 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 17:19:38,014 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 17:19:38,014 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 17:19:38,014 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 17:19:38,014 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-27 17:19:38,014 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:38,014 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 17:19:38,014 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 17:19:38,015 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2021-08-27 17:19:38,015 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 17:19:38,015 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 17:19:38,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:38,807 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 17:19:38,807 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-27 17:19:38,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:38,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:38,819 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:19:38,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-27 17:19:38,823 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-27 17:19:38,824 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 17:19:38,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-08-27 17:19:38,884 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:38,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:38,891 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:19:38,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-27 17:19:38,926 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-27 17:19:38,926 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-27 17:19:39,026 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-27 17:19:39,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-27 17:19:39,032 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 17:19:39,032 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 17:19:39,032 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 17:19:39,032 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 17:19:39,032 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 17:19:39,032 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:39,032 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 17:19:39,032 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 17:19:39,032 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2021-08-27 17:19:39,032 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 17:19:39,032 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 17:19:39,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 17:19:39,844 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 17:19:39,847 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 17:19:39,848 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:39,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:39,852 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:19:39,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-27 17:19:39,854 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 [2021-08-27 17:19:39,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:19:39,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:19:39,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:19:39,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:19:39,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:19:39,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:19:39,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:19:39,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:19:39,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-27 17:19:39,882 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:39,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:39,883 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:19:39,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-27 17:19:39,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:19:39,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:19:39,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:19:39,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:19:39,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:19:39,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:19:39,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:19:39,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:19:39,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-27 17:19:39,925 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:39,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:39,926 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:19:39,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-27 17:19:39,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:19:39,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:19:39,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:19:39,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:19:39,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:19:39,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:19:39,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:19:39,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:19:39,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:19:39,998 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 [2021-08-27 17:19:39,998 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:39,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:39,999 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:19:40,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-27 17:19:40,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:19:40,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:19:40,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:19:40,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:19:40,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:19:40,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:19:40,008 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:19:40,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:19:40,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:19:40,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-08-27 17:19:40,040 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:40,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:40,041 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:19:40,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-27 17:19:40,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:19:40,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:19:40,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:19:40,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:19:40,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:19:40,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:19:40,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:19:40,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:19:40,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:19:40,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-27 17:19:40,075 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:40,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:40,076 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:19:40,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-27 17:19:40,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:19:40,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:19:40,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:19:40,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:19:40,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:19:40,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:19:40,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:19:40,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:19:40,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:19:40,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-08-27 17:19:40,114 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:40,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:40,115 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:19:40,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-27 17:19:40,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:19:40,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:19:40,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:19:40,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:19:40,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:19:40,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:19:40,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:19:40,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:19:40,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:19:40,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-27 17:19:40,140 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:40,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:40,141 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:19:40,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-27 17:19:40,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:19:40,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:19:40,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:19:40,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:19:40,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:19:40,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:19:40,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:19:40,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:19:40,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:19:40,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-27 17:19:40,166 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:40,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:40,167 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:19:40,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-27 17:19:40,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:19:40,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:19:40,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:19:40,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:19:40,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:19:40,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:19:40,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:19:40,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:19:40,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:19:40,206 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 [2021-08-27 17:19:40,207 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:40,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:40,207 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:19:40,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-27 17:19:40,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:19:40,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:19:40,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:19:40,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:19:40,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:19:40,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:19:40,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:19:40,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:19:40,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-08-27 17:19:40,235 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:40,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:40,236 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:19:40,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-08-27 17:19:40,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:19:40,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:19:40,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:19:40,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:19:40,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:19:40,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:19:40,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:19:40,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:19:40,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:19:40,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-27 17:19:40,264 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:40,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:40,265 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:19:40,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-08-27 17:19:40,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:19:40,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:19:40,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:19:40,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:19:40,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:19:40,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:19:40,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:19:40,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:19:40,302 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 [2021-08-27 17:19:40,302 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:40,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:40,303 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:19:40,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-08-27 17:19:40,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:19:40,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:19:40,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:19:40,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:19:40,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:19:40,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:19:40,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:19:40,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:19:40,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:19:40,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-08-27 17:19:40,345 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:40,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:40,345 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:19:40,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-08-27 17:19:40,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:19:40,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:19:40,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:19:40,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:19:40,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:19:40,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:19:40,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:19:40,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:19:40,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-08-27 17:19:40,388 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:40,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:40,388 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:19:40,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-08-27 17:19:40,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:19:40,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:19:40,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:19:40,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:19:40,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:19:40,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:19:40,406 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:19:40,406 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:19:40,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:19:40,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-08-27 17:19:40,437 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:40,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:40,437 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:19:40,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-08-27 17:19:40,439 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 [2021-08-27 17:19:40,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:19:40,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:19:40,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:19:40,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:19:40,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:19:40,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:19:40,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:19:40,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:19:40,462 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 [2021-08-27 17:19:40,462 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:40,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:40,463 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:19:40,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-08-27 17:19:40,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:19:40,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:19:40,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:19:40,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:19:40,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:19:40,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:19:40,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:19:40,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:19:40,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:19:40,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-08-27 17:19:40,500 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:40,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:40,501 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 17:19:40,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:19:40,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-08-27 17:19:40,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:19:40,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:19:40,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:19:40,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:19:40,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 17:19:40,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 17:19:40,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:19:40,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-08-27 17:19:40,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:40,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:40,556 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) [2021-08-27 17:19:40,557 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 [2021-08-27 17:19:40,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:19:40,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:19:40,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:19:40,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:19:40,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:19:40,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:19:40,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:19:40,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:19:40,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:19:40,597 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 [2021-08-27 17:19:40,597 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:40,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:40,598 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) [2021-08-27 17:19:40,598 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 [2021-08-27 17:19:40,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 17:19:40,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:19:40,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:19:40,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:19:40,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:19:40,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:19:40,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:19:40,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:19:40,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:19:40,640 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 [2021-08-27 17:19:40,640 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:40,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:40,641 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) [2021-08-27 17:19:40,642 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 [2021-08-27 17:19:40,643 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 [2021-08-27 17:19:40,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:19:40,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:19:40,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:19:40,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:19:40,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:19:40,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:19:40,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:19:40,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 17:19:40,681 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 [2021-08-27 17:19:40,681 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:40,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:40,682 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) [2021-08-27 17:19:40,683 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 [2021-08-27 17:19:40,684 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 [2021-08-27 17:19:40,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 17:19:40,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 17:19:40,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 17:19:40,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 17:19:40,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 17:19:40,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 17:19:40,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 17:19:40,705 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 17:19:40,709 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-27 17:19:40,709 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-27 17:19:40,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 17:19:40,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 17:19:40,711 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) [2021-08-27 17:19:40,711 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 [2021-08-27 17:19:40,712 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 17:19:40,712 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-27 17:19:40,712 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 17:19:40,712 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0) = -2*ULTIMATE.start_main_~i2~0 + 15 Supporting invariants [] [2021-08-27 17:19:40,730 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 [2021-08-27 17:19:40,731 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-27 17:19:40,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 17:19:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:19:40,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 17:19:40,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:19:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 17:19:41,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 17:19:41,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 17:19:41,103 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 [2021-08-27 17:19:41,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 17:19:41,248 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-27 17:19:41,249 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 403 states and 695 transitions. cyclomatic complexity: 293 Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:19:41,354 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 403 states and 695 transitions. cyclomatic complexity: 293. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 621 states and 1052 transitions. Complement of second has 4 states. [2021-08-27 17:19:41,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 17:19:41,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:19:41,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 540 transitions. [2021-08-27 17:19:41,356 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 540 transitions. Stem has 55 letters. Loop has 35 letters. [2021-08-27 17:19:41,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:19:41,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 540 transitions. Stem has 90 letters. Loop has 35 letters. [2021-08-27 17:19:41,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:19:41,358 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 540 transitions. Stem has 55 letters. Loop has 70 letters. [2021-08-27 17:19:41,358 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 17:19:41,358 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 621 states and 1052 transitions. [2021-08-27 17:19:41,363 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 17:19:41,363 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 621 states to 0 states and 0 transitions. [2021-08-27 17:19:41,363 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 17:19:41,363 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 17:19:41,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 17:19:41,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 17:19:41,364 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 17:19:41,364 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 17:19:41,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 17:19:41,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 17:19:41,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 17:19:41,364 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 17:19:41,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 17:19:41,365 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-08-27 17:19:41,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-27 17:19:41,365 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-08-27 17:19:41,365 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 17:19:41,365 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-08-27 17:19:41,365 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 17:19:41,365 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 17:19:41,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 17:19:41,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 17:19:41,366 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 17:19:41,366 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 17:19:41,366 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 17:19:41,366 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 17:19:41,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 17:19:41,366 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 17:19:41,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 17:19:41,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 05:19:41 BoogieIcfgContainer [2021-08-27 17:19:41,384 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 17:19:41,385 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 17:19:41,385 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 17:19:41,385 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 17:19:41,386 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 05:19:35" (3/4) ... [2021-08-27 17:19:41,387 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 17:19:41,388 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 17:19:41,389 INFO L168 Benchmark]: Toolchain (without parser) took 6898.82 ms. Allocated memory was 92.3 MB in the beginning and 234.9 MB in the end (delta: 142.6 MB). Free memory was 69.4 MB in the beginning and 147.3 MB in the end (delta: -77.9 MB). Peak memory consumption was 65.5 MB. Max. memory is 16.1 GB. [2021-08-27 17:19:41,389 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 56.6 MB. Free memory was 37.8 MB in the beginning and 37.7 MB in the end (delta: 41.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 17:19:41,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 442.16 ms. Allocated memory is still 92.3 MB. Free memory was 69.3 MB in the beginning and 62.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-27 17:19:41,394 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.85 ms. Allocated memory is still 92.3 MB. Free memory was 62.7 MB in the beginning and 58.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-27 17:19:41,395 INFO L168 Benchmark]: Boogie Preprocessor took 64.16 ms. Allocated memory is still 92.3 MB. Free memory was 58.0 MB in the beginning and 53.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-27 17:19:41,395 INFO L168 Benchmark]: RCFGBuilder took 828.89 ms. Allocated memory was 92.3 MB in the beginning and 161.5 MB in the end (delta: 69.2 MB). Free memory was 53.4 MB in the beginning and 121.8 MB in the end (delta: -68.4 MB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. [2021-08-27 17:19:41,395 INFO L168 Benchmark]: BuchiAutomizer took 5476.79 ms. Allocated memory was 161.5 MB in the beginning and 234.9 MB in the end (delta: 73.4 MB). Free memory was 121.8 MB in the beginning and 147.3 MB in the end (delta: -25.5 MB). Peak memory consumption was 48.9 MB. Max. memory is 16.1 GB. [2021-08-27 17:19:41,396 INFO L168 Benchmark]: Witness Printer took 2.72 ms. Allocated memory is still 234.9 MB. Free memory is still 147.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 17:19:41,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 56.6 MB. Free memory was 37.8 MB in the beginning and 37.7 MB in the end (delta: 41.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 442.16 ms. Allocated memory is still 92.3 MB. Free memory was 69.3 MB in the beginning and 62.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.85 ms. Allocated memory is still 92.3 MB. Free memory was 62.7 MB in the beginning and 58.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.16 ms. Allocated memory is still 92.3 MB. Free memory was 58.0 MB in the beginning and 53.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 828.89 ms. Allocated memory was 92.3 MB in the beginning and 161.5 MB in the end (delta: 69.2 MB). Free memory was 53.4 MB in the beginning and 121.8 MB in the end (delta: -68.4 MB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5476.79 ms. Allocated memory was 161.5 MB in the beginning and 234.9 MB in the end (delta: 73.4 MB). Free memory was 121.8 MB in the beginning and 147.3 MB in the end (delta: -25.5 MB). Peak memory consumption was 48.9 MB. Max. memory is 16.1 GB. * Witness Printer took 2.72 ms. Allocated memory is still 234.9 MB. Free memory is still 147.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 15 + -2 * i2 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 45.5ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 403 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1628 SDtfs, 680 SDslu, 2361 SDs, 0 SdLazy, 35 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 51.1ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital202 mio100 ax123 hnf106 lsp27 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-08-27 17:19:41,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...