./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.BOUNDED-8.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 791161d1 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_floodmax.4.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 6c7bda6ec8155a470f5f9e07367696d7e5cc6867667668ebd692704e4077816f --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 15:38:48,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 15:38:48,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 15:38:48,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 15:38:48,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 15:38:48,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 15:38:48,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 15:38:48,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 15:38:48,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 15:38:48,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 15:38:48,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 15:38:48,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 15:38:48,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 15:38:48,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 15:38:48,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 15:38:48,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 15:38:48,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 15:38:48,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 15:38:48,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 15:38:48,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 15:38:48,971 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 15:38:48,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 15:38:48,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 15:38:48,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 15:38:48,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 15:38:48,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 15:38:48,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 15:38:48,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 15:38:48,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 15:38:48,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 15:38:48,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 15:38:48,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 15:38:48,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 15:38:48,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 15:38:48,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 15:38:48,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 15:38:48,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 15:38:48,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 15:38:48,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 15:38:48,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 15:38:48,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 15:38:48,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 15:38:48,989 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-23 15:38:49,006 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 15:38:49,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 15:38:49,007 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 15:38:49,007 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 15:38:49,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 15:38:49,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 15:38:49,008 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 15:38:49,008 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 15:38:49,008 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 15:38:49,008 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 15:38:49,009 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 15:38:49,009 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 15:38:49,009 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 15:38:49,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 15:38:49,009 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 15:38:49,009 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 15:38:49,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 15:38:49,010 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 15:38:49,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 15:38:49,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 15:38:49,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 15:38:49,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 15:38:49,010 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 15:38:49,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 15:38:49,011 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 15:38:49,011 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 15:38:49,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 15:38:49,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 15:38:49,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 15:38:49,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 15:38:49,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 15:38:49,013 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 15:38:49,013 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c7bda6ec8155a470f5f9e07367696d7e5cc6867667668ebd692704e4077816f [2022-07-23 15:38:49,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 15:38:49,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 15:38:49,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 15:38:49,243 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 15:38:49,245 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 15:38:49,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.BOUNDED-8.pals.c [2022-07-23 15:38:49,298 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6c829bde/03b849b893764e9dab86b0fb34f01e0a/FLAG0582f095a [2022-07-23 15:38:49,648 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 15:38:49,648 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.ufo.BOUNDED-8.pals.c [2022-07-23 15:38:49,665 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6c829bde/03b849b893764e9dab86b0fb34f01e0a/FLAG0582f095a [2022-07-23 15:38:50,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6c829bde/03b849b893764e9dab86b0fb34f01e0a [2022-07-23 15:38:50,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 15:38:50,039 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 15:38:50,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 15:38:50,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 15:38:50,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 15:38:50,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:38:50" (1/1) ... [2022-07-23 15:38:50,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46bb8e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:50, skipping insertion in model container [2022-07-23 15:38:50,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:38:50" (1/1) ... [2022-07-23 15:38:50,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 15:38:50,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 15:38:50,311 WARN L230 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_floodmax.4.ufo.BOUNDED-8.pals.c[28192,28205] [2022-07-23 15:38:50,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:38:50,319 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 15:38:50,378 WARN L230 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_floodmax.4.ufo.BOUNDED-8.pals.c[28192,28205] [2022-07-23 15:38:50,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:38:50,401 INFO L208 MainTranslator]: Completed translation [2022-07-23 15:38:50,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:50 WrapperNode [2022-07-23 15:38:50,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 15:38:50,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 15:38:50,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 15:38:50,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 15:38:50,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:50" (1/1) ... [2022-07-23 15:38:50,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:50" (1/1) ... [2022-07-23 15:38:50,460 INFO L137 Inliner]: procedures = 23, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 925 [2022-07-23 15:38:50,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 15:38:50,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 15:38:50,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 15:38:50,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 15:38:50,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:50" (1/1) ... [2022-07-23 15:38:50,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:50" (1/1) ... [2022-07-23 15:38:50,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:50" (1/1) ... [2022-07-23 15:38:50,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:50" (1/1) ... [2022-07-23 15:38:50,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:50" (1/1) ... [2022-07-23 15:38:50,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:50" (1/1) ... [2022-07-23 15:38:50,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:50" (1/1) ... [2022-07-23 15:38:50,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 15:38:50,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 15:38:50,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 15:38:50,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 15:38:50,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:50" (1/1) ... [2022-07-23 15:38:50,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:50,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:50,564 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) [2022-07-23 15:38:50,568 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 [2022-07-23 15:38:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 15:38:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 15:38:50,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 15:38:50,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 15:38:50,711 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 15:38:50,712 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 15:38:51,442 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 15:38:51,454 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 15:38:51,454 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 15:38:51,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:38:51 BoogieIcfgContainer [2022-07-23 15:38:51,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 15:38:51,456 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 15:38:51,456 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 15:38:51,458 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 15:38:51,459 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:38:51,459 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 03:38:50" (1/3) ... [2022-07-23 15:38:51,462 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d52094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:38:51, skipping insertion in model container [2022-07-23 15:38:51,462 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:38:51,462 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:38:50" (2/3) ... [2022-07-23 15:38:51,463 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d52094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:38:51, skipping insertion in model container [2022-07-23 15:38:51,463 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:38:51,463 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:38:51" (3/3) ... [2022-07-23 15:38:51,464 INFO L354 chiAutomizerObserver]: Analyzing ICFG pals_floodmax.4.ufo.BOUNDED-8.pals.c [2022-07-23 15:38:51,510 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 15:38:51,511 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 15:38:51,511 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 15:38:51,511 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 15:38:51,511 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 15:38:51,511 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 15:38:51,511 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 15:38:51,511 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 15:38:51,516 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 303 states, 302 states have (on average 1.804635761589404) internal successors, (545), 302 states have internal predecessors, (545), 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) [2022-07-23 15:38:51,539 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 107 [2022-07-23 15:38:51,539 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:38:51,539 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:38:51,547 INFO L179 hiAutomatonCegarLoop]: 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] [2022-07-23 15:38:51,548 INFO L180 hiAutomatonCegarLoop]: 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] [2022-07-23 15:38:51,548 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 15:38:51,549 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 303 states, 302 states have (on average 1.804635761589404) internal successors, (545), 302 states have internal predecessors, (545), 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) [2022-07-23 15:38:51,556 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 107 [2022-07-23 15:38:51,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:38:51,556 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:38:51,558 INFO L179 hiAutomatonCegarLoop]: 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] [2022-07-23 15:38:51,559 INFO L180 hiAutomatonCegarLoop]: 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] [2022-07-23 15:38:51,564 INFO L752 eck$LassoCheckResult]: Stem: 292#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(37, 2);call #Ultimate.allocInit(12, 3);~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;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0; 203#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~ret56#1, main_#t~ret57#1, main_#t~post58#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~ep13~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~ep14~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~ep21~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~ep23~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~ep24~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~ep31~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~ep32~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~ep34~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~ep41~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~ep42~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~ep43~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~id1~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~r1~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~st1~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~nl1~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~m1~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~max1~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode1~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~id2~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~r2~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~st2~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~nl2~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~m2~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~max2~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~mode2~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~id3~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~r3~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~st3~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~nl3~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~m3~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~max3~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~mode3~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~id4~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~r4~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~st4~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~nl4~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~m4~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~max4~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~mode4~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 175#L393true assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 131#L404true init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 295#L414true assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 276#L425true init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 260#L435true assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 274#L446true init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 120#L456true assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 149#L467true init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 192#L477true assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 66#L488true init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 84#L498true assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 46#L509true init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 245#L519true assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 43#L530true init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 186#L540true assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 193#L551true init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 68#L561true assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 116#L572true init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 299#L582true assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 73#L593true init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 291#L603true assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 202#L614true init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 205#L624true assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 23#L635true init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 157#L645true assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 102#L656true init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 169#L666true assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 7#L677true init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 54#L687true assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 261#L698true init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 11#L708true assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 232#L719true init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 200#L729true assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 209#L740true init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 272#L750true assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 97#L761true init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 264#L771true assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 139#L782true init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 168#L792true assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 21#L803true init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 44#L813true assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 266#L824true init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 130#L834true assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 133#L845true init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 13#L855true assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 166#L866true init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 96#L876true assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 142#L887true init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 163#L897true assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 121#L897-1true init_#res#1 := init_~tmp___23~0#1; 304#L1066true main_#t~ret56#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret56#1;havoc main_#t~ret56#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 107#L21true assume !(0 == assume_abort_if_not_~cond#1); 172#L20true assume { :end_inline_assume_abort_if_not } true;~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#1 := 0; 100#L1203-2true [2022-07-23 15:38:51,565 INFO L754 eck$LassoCheckResult]: Loop: 100#L1203-2true assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_#t~ite5#1, node1_#t~ite6#1; 123#L109true assume !(0 != ~mode1~0 % 256); 45#L141true assume !(~r1~0 < 3); 284#L141-1true ~mode1~0 := 1; 145#L109-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite7#1, node2_#t~ite8#1, node2_#t~ite9#1; 196#L162true assume !(0 != ~mode2~0 % 256); 262#L194true assume !(~r2~0 < 3); 5#L194-1true ~mode2~0 := 1; 57#L162-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite10#1, node3_#t~ite11#1, node3_#t~ite12#1; 154#L215true assume !(0 != ~mode3~0 % 256); 118#L247true assume !(~r3~0 < 3); 285#L247-1true ~mode3~0 := 1; 293#L215-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite13#1, node4_#t~ite14#1, node4_#t~ite15#1; 181#L268true assume !(0 != ~mode4~0 % 256); 230#L300true assume !(~r4~0 < 3); 47#L300-1true ~mode4~0 := 1; 269#L268-2true assume { :end_inline_node4 } true;~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;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 199#L1074true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1#1 := 0; 194#L1074-1true check_#res#1 := check_~tmp~1#1; 252#L1126true main_#t~ret57#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret57#1;havoc main_#t~ret57#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 42#L1246true assume !(0 == assert_~arg#1 % 256); 35#L1241true assume { :end_inline_assert } true;main_#t~post58#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post58#1;havoc main_#t~post58#1; 100#L1203-2true [2022-07-23 15:38:51,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:38:51,575 INFO L85 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 1 times [2022-07-23 15:38:51,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:38:51,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466135377] [2022-07-23 15:38:51,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:38:51,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:38:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:38:51,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:38:51,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:38:51,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466135377] [2022-07-23 15:38:51,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466135377] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:38:51,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:38:51,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:38:51,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284476746] [2022-07-23 15:38:51,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:38:51,876 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-23 15:38:51,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:38:51,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1319514639, now seen corresponding path program 1 times [2022-07-23 15:38:51,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:38:51,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59501221] [2022-07-23 15:38:51,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:38:51,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:38:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:38:51,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:38:51,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:38:51,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59501221] [2022-07-23 15:38:51,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59501221] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:38:51,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:38:51,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:38:51,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682392357] [2022-07-23 15:38:51,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:38:51,958 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 15:38:51,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:38:51,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 15:38:51,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 15:38:51,984 INFO L87 Difference]: Start difference. First operand has 303 states, 302 states have (on average 1.804635761589404) internal successors, (545), 302 states have internal predecessors, (545), 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) [2022-07-23 15:38:52,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:38:52,065 INFO L93 Difference]: Finished difference Result 307 states and 545 transitions. [2022-07-23 15:38:52,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 15:38:52,070 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 307 states and 545 transitions. [2022-07-23 15:38:52,085 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 106 [2022-07-23 15:38:52,092 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 307 states to 298 states and 528 transitions. [2022-07-23 15:38:52,095 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 298 [2022-07-23 15:38:52,098 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 298 [2022-07-23 15:38:52,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 298 states and 528 transitions. [2022-07-23 15:38:52,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:38:52,104 INFO L369 hiAutomatonCegarLoop]: Abstraction has 298 states and 528 transitions. [2022-07-23 15:38:52,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states and 528 transitions. [2022-07-23 15:38:52,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2022-07-23 15:38:52,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 298 states have (on average 1.7718120805369129) internal successors, (528), 297 states have internal predecessors, (528), 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) [2022-07-23 15:38:52,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 528 transitions. [2022-07-23 15:38:52,150 INFO L392 hiAutomatonCegarLoop]: Abstraction has 298 states and 528 transitions. [2022-07-23 15:38:52,150 INFO L374 stractBuchiCegarLoop]: Abstraction has 298 states and 528 transitions. [2022-07-23 15:38:52,151 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 15:38:52,151 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 298 states and 528 transitions. [2022-07-23 15:38:52,154 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 106 [2022-07-23 15:38:52,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:38:52,154 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:38:52,159 INFO L179 hiAutomatonCegarLoop]: 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] [2022-07-23 15:38:52,159 INFO L180 hiAutomatonCegarLoop]: 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] [2022-07-23 15:38:52,160 INFO L752 eck$LassoCheckResult]: Stem: 925#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(37, 2);call #Ultimate.allocInit(12, 3);~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;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0; 895#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~ret56#1, main_#t~ret57#1, main_#t~post58#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~ep13~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~ep14~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~ep21~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~ep23~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~ep24~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~ep31~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~ep32~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~ep34~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~ep41~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~ep42~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~ep43~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~id1~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~r1~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~st1~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~nl1~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~m1~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~max1~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode1~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~id2~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~r2~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~st2~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~nl2~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~m2~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~max2~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~mode2~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~id3~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~r3~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~st3~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~nl3~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~m3~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~max3~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~mode3~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~id4~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~r4~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~st4~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~nl4~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~m4~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~max4~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~mode4~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 878#L393 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 779#L404 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 848#L414 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 667#L425 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 922#L435 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 713#L446 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 833#L456 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 746#L467 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 862#L477 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 756#L488 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 757#L498 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 695#L509 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 728#L519 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 718#L530 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 720#L540 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 832#L551 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 760#L561 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 737#L572 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 828#L582 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 671#L593 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 769#L603 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 701#L614 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 894#L624 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 680#L635 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 681#L645 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 704#L656 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 812#L666 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 641#L677 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 642#L687 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 709#L698 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 651#L708 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 652#L719 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 892#L729 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 630#L740 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 898#L750 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 805#L761 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 806#L771 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 771#L782 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 854#L792 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 647#L803 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 679#L813 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 721#L824 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 847#L834 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 698#L845 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 656#L855 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 657#L866 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 804#L876 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 675#L887 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 856#L897 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 634#L897-1 init_#res#1 := init_~tmp___23~0#1; 834#L1066 main_#t~ret56#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret56#1;havoc main_#t~ret56#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 817#L21 assume !(0 == assume_abort_if_not_~cond#1); 818#L20 assume { :end_inline_assume_abort_if_not } true;~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#1 := 0; 707#L1203-2 [2022-07-23 15:38:52,160 INFO L754 eck$LassoCheckResult]: Loop: 707#L1203-2 assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_#t~ite5#1, node1_#t~ite6#1; 809#L109 assume !(0 != ~mode1~0 % 256); 723#L141 assume !(~r1~0 < 3); 724#L141-1 ~mode1~0 := 1; 858#L109-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite7#1, node2_#t~ite8#1, node2_#t~ite9#1; 859#L162 assume !(0 != ~mode2~0 % 256); 889#L194 assume !(~r2~0 < 3); 636#L194-1 ~mode2~0 := 1; 637#L162-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite10#1, node3_#t~ite11#1, node3_#t~ite12#1; 745#L215 assume !(0 != ~mode3~0 % 256); 829#L247 assume !(~r3~0 < 3); 692#L247-1 ~mode3~0 := 1; 886#L215-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite13#1, node4_#t~ite14#1, node4_#t~ite15#1; 880#L268 assume !(0 != ~mode4~0 % 256); 881#L300 assume !(~r4~0 < 3); 726#L300-1 ~mode4~0 := 1; 727#L268-2 assume { :end_inline_node4 } true;~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;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 891#L1074 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 837#L1075 assume ~st1~0 + ~nl1~0 <= 1; 838#L1076 assume ~st2~0 + ~nl2~0 <= 1; 861#L1077 assume ~st3~0 + ~nl3~0 <= 1; 735#L1078 assume ~st4~0 + ~nl4~0 <= 1; 648#L1079 assume ~r1~0 >= 3; 650#L1083 assume ~r1~0 < 3; 867#L1088 assume ~r1~0 >= 3; 884#L1093 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 872#L1074-1 check_#res#1 := check_~tmp~1#1; 887#L1126 main_#t~ret57#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret57#1;havoc main_#t~ret57#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 719#L1246 assume !(0 == assert_~arg#1 % 256); 706#L1241 assume { :end_inline_assert } true;main_#t~post58#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post58#1;havoc main_#t~post58#1; 707#L1203-2 [2022-07-23 15:38:52,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:38:52,161 INFO L85 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 2 times [2022-07-23 15:38:52,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:38:52,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554310103] [2022-07-23 15:38:52,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:38:52,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:38:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:38:52,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:38:52,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:38:52,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554310103] [2022-07-23 15:38:52,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554310103] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:38:52,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:38:52,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:38:52,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35332169] [2022-07-23 15:38:52,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:38:52,257 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-23 15:38:52,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:38:52,257 INFO L85 PathProgramCache]: Analyzing trace with hash 94444480, now seen corresponding path program 1 times [2022-07-23 15:38:52,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:38:52,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370047703] [2022-07-23 15:38:52,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:38:52,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:38:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:38:52,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:38:52,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:38:52,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370047703] [2022-07-23 15:38:52,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370047703] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:38:52,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:38:52,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 15:38:52,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801900421] [2022-07-23 15:38:52,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:38:52,301 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 15:38:52,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:38:52,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 15:38:52,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 15:38:52,302 INFO L87 Difference]: Start difference. First operand 298 states and 528 transitions. cyclomatic complexity: 231 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) [2022-07-23 15:38:52,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:38:52,344 INFO L93 Difference]: Finished difference Result 383 states and 662 transitions. [2022-07-23 15:38:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 15:38:52,345 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 383 states and 662 transitions. [2022-07-23 15:38:52,348 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 191 [2022-07-23 15:38:52,352 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 383 states to 383 states and 662 transitions. [2022-07-23 15:38:52,352 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 383 [2022-07-23 15:38:52,353 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 383 [2022-07-23 15:38:52,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 383 states and 662 transitions. [2022-07-23 15:38:52,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:38:52,355 INFO L369 hiAutomatonCegarLoop]: Abstraction has 383 states and 662 transitions. [2022-07-23 15:38:52,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states and 662 transitions. [2022-07-23 15:38:52,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2022-07-23 15:38:52,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 383 states have (on average 1.7284595300261096) internal successors, (662), 382 states have internal predecessors, (662), 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) [2022-07-23 15:38:52,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 662 transitions. [2022-07-23 15:38:52,370 INFO L392 hiAutomatonCegarLoop]: Abstraction has 383 states and 662 transitions. [2022-07-23 15:38:52,370 INFO L374 stractBuchiCegarLoop]: Abstraction has 383 states and 662 transitions. [2022-07-23 15:38:52,370 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-23 15:38:52,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 383 states and 662 transitions. [2022-07-23 15:38:52,372 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 191 [2022-07-23 15:38:52,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:38:52,372 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:38:52,375 INFO L179 hiAutomatonCegarLoop]: 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] [2022-07-23 15:38:52,375 INFO L180 hiAutomatonCegarLoop]: 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] [2022-07-23 15:38:52,375 INFO L752 eck$LassoCheckResult]: Stem: 1620#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(37, 2);call #Ultimate.allocInit(12, 3);~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;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0; 1588#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_#t~nondet52#1, main_#t~nondet53#1, main_#t~nondet54#1, main_#t~nondet55#1, main_#t~ret56#1, main_#t~ret57#1, main_#t~post58#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~ep13~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~ep14~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~ep21~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~ep23~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~ep24~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~ep31~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~ep32~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~ep34~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~ep41~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~ep42~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~ep43~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~id1~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~r1~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~st1~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~nl1~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~m1~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~max1~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~mode1~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~id2~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~r2~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~st2~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~nl2~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~m2~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~max2~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~mode2~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~id3~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~r3~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~st3~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~nl3~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~m3~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~max3~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;~mode3~0 := main_#t~nondet48#1;havoc main_#t~nondet48#1;~id4~0 := main_#t~nondet49#1;havoc main_#t~nondet49#1;~r4~0 := main_#t~nondet50#1;havoc main_#t~nondet50#1;~st4~0 := main_#t~nondet51#1;havoc main_#t~nondet51#1;~nl4~0 := main_#t~nondet52#1;havoc main_#t~nondet52#1;~m4~0 := main_#t~nondet53#1;havoc main_#t~nondet53#1;~max4~0 := main_#t~nondet54#1;havoc main_#t~nondet54#1;~mode4~0 := main_#t~nondet55#1;havoc main_#t~nondet55#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 1571#L393 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 1470#L404 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 1540#L414 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 1356#L425 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 1616#L435 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 1402#L446 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 1526#L456 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 1436#L467 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 1557#L477 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 1447#L488 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 1448#L498 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 1384#L509 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 1416#L519 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 1407#L530 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 1409#L540 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 1524#L551 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 1449#L561 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 1425#L572 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 1520#L582 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 1360#L593 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 1458#L603 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 1390#L614 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 1587#L624 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 1369#L635 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 1370#L645 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 1393#L656 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 1507#L666 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 1331#L677 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 1332#L687 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 1398#L698 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 1340#L708 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 1341#L719 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 1585#L729 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 1320#L740 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 1591#L750 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 1496#L761 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 1497#L771 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 1460#L782 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 1546#L792 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 1334#L803 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 1365#L813 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 1410#L824 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 1539#L834 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 1387#L845 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 1345#L855 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 1346#L866 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 1495#L876 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 1364#L887 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 1548#L897 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 1324#L897-1 init_#res#1 := init_~tmp___23~0#1; 1525#L1066 main_#t~ret56#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret56#1;havoc main_#t~ret56#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 1508#L21 assume !(0 == assume_abort_if_not_~cond#1); 1509#L20 assume { :end_inline_assume_abort_if_not } true;~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#1 := 0; 1569#L1203-2 [2022-07-23 15:38:52,376 INFO L754 eck$LassoCheckResult]: Loop: 1569#L1203-2 assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true;havoc node1_#t~ite4#1, node1_#t~ite5#1, node1_#t~ite6#1; 1696#L109 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256); 1527#L111 assume !(0 != ~ep21~0 % 256); 1427#L111-1 assume !(0 != ~ep31~0 % 256); 1376#L118 assume !(0 != ~ep41~0 % 256); 1596#L125 assume !(3 == ~r1~0); 1612#L132 ~mode1~0 := 0; 1677#L109-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_#t~ite7#1, node2_#t~ite8#1, node2_#t~ite9#1; 1675#L162 assume !(0 != ~mode2~0 % 256); 1676#L194 assume !(~r2~0 < 3); 1662#L194-1 ~mode2~0 := 1; 1657#L162-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_#t~ite10#1, node3_#t~ite11#1, node3_#t~ite12#1; 1655#L215 assume !(0 != ~mode3~0 % 256); 1656#L247 assume !(~r3~0 < 3); 1644#L247-1 ~mode3~0 := 1; 1643#L215-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_#t~ite13#1, node4_#t~ite14#1, node4_#t~ite15#1; 1639#L268 assume !(0 != ~mode4~0 % 256); 1635#L300 assume !(~r4~0 < 3); 1628#L300-1 ~mode4~0 := 1; 1627#L268-2 assume { :end_inline_node4 } true;~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;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 1626#L1074 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 1625#L1075 assume ~st1~0 + ~nl1~0 <= 1; 1624#L1076 assume ~st2~0 + ~nl2~0 <= 1; 1623#L1077 assume ~st3~0 + ~nl3~0 <= 1; 1622#L1078 assume ~st4~0 + ~nl4~0 <= 1; 1621#L1079 assume !(~r1~0 >= 3); 1463#L1082 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; 1464#L1083 assume ~r1~0 < 3; 1694#L1088 assume !(~r1~0 >= 3); 1576#L1092 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; 1577#L1093 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 1700#L1074-1 check_#res#1 := check_~tmp~1#1; 1699#L1126 main_#t~ret57#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret57#1;havoc main_#t~ret57#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 1698#L1246 assume !(0 == assert_~arg#1 % 256); 1697#L1241 assume { :end_inline_assert } true;main_#t~post58#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post58#1;havoc main_#t~post58#1; 1569#L1203-2 [2022-07-23 15:38:52,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:38:52,379 INFO L85 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 3 times [2022-07-23 15:38:52,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:38:52,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060690750] [2022-07-23 15:38:52,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:38:52,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:38:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:38:52,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:38:52,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:38:52,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060690750] [2022-07-23 15:38:52,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060690750] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:38:52,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:38:52,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:38:52,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934223480] [2022-07-23 15:38:52,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:38:52,455 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-23 15:38:52,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:38:52,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1101404608, now seen corresponding path program 1 times [2022-07-23 15:38:52,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:38:52,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679846247] [2022-07-23 15:38:52,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:38:52,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:38:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:38:52,471 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:38:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:38:52,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:38:53,398 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:38:53,399 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:38:53,399 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:38:53,399 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:38:53,399 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-23 15:38:53,399 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:53,400 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:38:53,400 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:38:53,400 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.4.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2022-07-23 15:38:53,400 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:38:53,400 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:38:53,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:53,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,115 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:38:54,116 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-23 15:38:54,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:54,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:54,119 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) [2022-07-23 15:38:54,122 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 [2022-07-23 15:38:54,125 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-23 15:38:54,125 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:38:54,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-23 15:38:54,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:54,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:54,157 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) [2022-07-23 15:38:54,158 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 [2022-07-23 15:38:54,159 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-23 15:38:54,159 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-23 15:38:54,268 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-07-23 15:38:54,272 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-07-23 15:38:54,272 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 15:38:54,272 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 15:38:54,272 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 15:38:54,272 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 15:38:54,272 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 15:38:54,272 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:54,272 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 15:38:54,273 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 15:38:54,273 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.4.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2022-07-23 15:38:54,273 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 15:38:54,273 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 15:38:54,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 15:38:54,933 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 15:38:54,936 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 15:38:54,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:54,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:54,938 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) [2022-07-23 15:38:54,939 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 [2022-07-23 15:38:54,940 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 [2022-07-23 15:38:54,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:54,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:54,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:54,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:54,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:54,950 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:54,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:54,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:54,968 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-07-23 15:38:54,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:54,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:54,969 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) [2022-07-23 15:38:54,969 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 [2022-07-23 15:38:54,972 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 [2022-07-23 15:38:54,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:54,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:54,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:54,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:54,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:54,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:54,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:54,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:55,021 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 [2022-07-23 15:38:55,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:55,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:55,023 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) [2022-07-23 15:38:55,024 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 [2022-07-23 15:38:55,025 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 [2022-07-23 15:38:55,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:55,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:55,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:55,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:55,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:55,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:55,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:55,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:55,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-23 15:38:55,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:55,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:55,078 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) [2022-07-23 15:38:55,079 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 [2022-07-23 15:38:55,080 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 [2022-07-23 15:38:55,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:55,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:55,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:55,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:55,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:55,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:55,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:55,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:55,117 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 [2022-07-23 15:38:55,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:55,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:55,119 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) [2022-07-23 15:38:55,120 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 [2022-07-23 15:38:55,121 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 [2022-07-23 15:38:55,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:55,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:55,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:55,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:55,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:55,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:55,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:55,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:55,158 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 [2022-07-23 15:38:55,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:55,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:55,159 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) [2022-07-23 15:38:55,160 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 [2022-07-23 15:38:55,162 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 [2022-07-23 15:38:55,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:55,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:55,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:55,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:55,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:55,170 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:55,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:55,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:55,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-23 15:38:55,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:55,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:55,215 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) [2022-07-23 15:38:55,216 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 [2022-07-23 15:38:55,225 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 [2022-07-23 15:38:55,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:55,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:55,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:55,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:55,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:55,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:55,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:55,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:55,257 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 [2022-07-23 15:38:55,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:55,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:55,272 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) [2022-07-23 15:38:55,278 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 [2022-07-23 15:38:55,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:55,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:55,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:55,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:55,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:55,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:55,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:55,288 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 [2022-07-23 15:38:55,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:55,312 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 [2022-07-23 15:38:55,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:55,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:55,313 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) [2022-07-23 15:38:55,314 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 [2022-07-23 15:38:55,323 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 [2022-07-23 15:38:55,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:55,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:55,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:55,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:55,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:55,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:55,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:55,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:55,373 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 [2022-07-23 15:38:55,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:55,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:55,375 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) [2022-07-23 15:38:55,376 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 [2022-07-23 15:38:55,382 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 [2022-07-23 15:38:55,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:55,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:55,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:55,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:55,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:55,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:55,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:55,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:55,419 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 [2022-07-23 15:38:55,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:55,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:55,420 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) [2022-07-23 15:38:55,420 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 [2022-07-23 15:38:55,443 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 [2022-07-23 15:38:55,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:55,451 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:55,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:55,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:55,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:55,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:55,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:55,470 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:55,488 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 [2022-07-23 15:38:55,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:55,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:55,489 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) [2022-07-23 15:38:55,489 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 [2022-07-23 15:38:55,491 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 [2022-07-23 15:38:55,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:55,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:55,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:55,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:55,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:55,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:55,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:55,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:55,514 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 [2022-07-23 15:38:55,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:55,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:55,516 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) [2022-07-23 15:38:55,516 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 [2022-07-23 15:38:55,517 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 [2022-07-23 15:38:55,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:55,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:55,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:55,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:55,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:55,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:55,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:55,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:55,550 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-07-23 15:38:55,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:55,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:55,552 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) [2022-07-23 15:38:55,557 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 [2022-07-23 15:38:55,558 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 [2022-07-23 15:38:55,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:55,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:55,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:55,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:55,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:55,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:55,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:55,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:55,607 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 [2022-07-23 15:38:55,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:55,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:55,608 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) [2022-07-23 15:38:55,611 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 [2022-07-23 15:38:55,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 15:38:55,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:55,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:55,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:55,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:55,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:55,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:55,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:55,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:55,635 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 [2022-07-23 15:38:55,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:55,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:55,636 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) [2022-07-23 15:38:55,636 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 [2022-07-23 15:38:55,638 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 [2022-07-23 15:38:55,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:55,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:55,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:55,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:55,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:55,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:55,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:55,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:55,667 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 [2022-07-23 15:38:55,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:55,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:55,671 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) [2022-07-23 15:38:55,673 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 [2022-07-23 15:38:55,674 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 [2022-07-23 15:38:55,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:55,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:55,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:55,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:55,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:55,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:55,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:55,689 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:55,705 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 [2022-07-23 15:38:55,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:55,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:55,706 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) [2022-07-23 15:38:55,706 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 [2022-07-23 15:38:55,708 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 [2022-07-23 15:38:55,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:55,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:55,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:55,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:55,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:55,714 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:55,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:55,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 15:38:55,730 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 [2022-07-23 15:38:55,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:55,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:55,731 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) [2022-07-23 15:38:55,733 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 [2022-07-23 15:38:55,733 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 [2022-07-23 15:38:55,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 15:38:55,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 15:38:55,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 15:38:55,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 15:38:55,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 15:38:55,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 15:38:55,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 15:38:55,743 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 15:38:55,756 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-23 15:38:55,756 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-23 15:38:55,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:38:55,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:38:55,759 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) [2022-07-23 15:38:55,760 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 [2022-07-23 15:38:55,761 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 15:38:55,761 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-23 15:38:55,761 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 15:38:55,761 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0#1) = -2*ULTIMATE.start_main_~i2~0#1 + 15 Supporting invariants [] [2022-07-23 15:38:55,795 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 [2022-07-23 15:38:55,797 INFO L293 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-07-23 15:38:55,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:38:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:38:55,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 15:38:55,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:38:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:38:55,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 15:38:55,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 15:38:56,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:38:56,111 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 [2022-07-23 15:38:56,111 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 383 states and 662 transitions. cyclomatic complexity: 280 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) [2022-07-23 15:38:56,155 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 383 states and 662 transitions. cyclomatic complexity: 280. 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 573 states and 970 transitions. Complement of second has 4 states. [2022-07-23 15:38:56,155 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 [2022-07-23 15:38:56,157 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) [2022-07-23 15:38:56,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 528 transitions. [2022-07-23 15:38:56,158 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 528 transitions. Stem has 55 letters. Loop has 35 letters. [2022-07-23 15:38:56,159 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:38:56,159 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 528 transitions. Stem has 90 letters. Loop has 35 letters. [2022-07-23 15:38:56,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:38:56,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 528 transitions. Stem has 55 letters. Loop has 70 letters. [2022-07-23 15:38:56,161 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 15:38:56,161 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 573 states and 970 transitions. [2022-07-23 15:38:56,164 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 15:38:56,165 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 573 states to 0 states and 0 transitions. [2022-07-23 15:38:56,165 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-23 15:38:56,165 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-23 15:38:56,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-23 15:38:56,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:38:56,166 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:38:56,166 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:38:56,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:38:56,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 15:38:56,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 15:38:56,167 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) [2022-07-23 15:38:56,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:38:56,168 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-07-23 15:38:56,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-23 15:38:56,168 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-07-23 15:38:56,168 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 15:38:56,168 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-07-23 15:38:56,168 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-23 15:38:56,168 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-23 15:38:56,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-23 15:38:56,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:38:56,169 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:38:56,169 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:38:56,169 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 15:38:56,169 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-23 15:38:56,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-23 15:38:56,169 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-23 15:38:56,169 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-23 15:38:56,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.07 03:38:56 BoogieIcfgContainer [2022-07-23 15:38:56,174 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-23 15:38:56,175 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 15:38:56,175 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 15:38:56,175 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 15:38:56,175 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:38:51" (3/4) ... [2022-07-23 15:38:56,178 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-23 15:38:56,178 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 15:38:56,178 INFO L158 Benchmark]: Toolchain (without parser) took 6138.70ms. Allocated memory was 109.1MB in the beginning and 144.7MB in the end (delta: 35.7MB). Free memory was 76.2MB in the beginning and 46.8MB in the end (delta: 29.5MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2022-07-23 15:38:56,182 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 79.7MB. Free memory was 49.9MB in the beginning and 49.9MB in the end (delta: 21.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:38:56,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.37ms. Allocated memory is still 109.1MB. Free memory was 76.2MB in the beginning and 74.1MB in the end (delta: 2.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-23 15:38:56,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.51ms. Allocated memory is still 109.1MB. Free memory was 74.1MB in the beginning and 69.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-23 15:38:56,183 INFO L158 Benchmark]: Boogie Preprocessor took 67.85ms. Allocated memory is still 109.1MB. Free memory was 69.9MB in the beginning and 65.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-23 15:38:56,183 INFO L158 Benchmark]: RCFGBuilder took 926.25ms. Allocated memory is still 109.1MB. Free memory was 65.7MB in the beginning and 59.7MB in the end (delta: 5.9MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2022-07-23 15:38:56,184 INFO L158 Benchmark]: BuchiAutomizer took 4717.97ms. Allocated memory was 109.1MB in the beginning and 144.7MB in the end (delta: 35.7MB). Free memory was 59.7MB in the beginning and 46.8MB in the end (delta: 13.0MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2022-07-23 15:38:56,184 INFO L158 Benchmark]: Witness Printer took 3.10ms. Allocated memory is still 144.7MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:38:56,185 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 79.7MB. Free memory was 49.9MB in the beginning and 49.9MB in the end (delta: 21.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.37ms. Allocated memory is still 109.1MB. Free memory was 76.2MB in the beginning and 74.1MB in the end (delta: 2.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.51ms. Allocated memory is still 109.1MB. Free memory was 74.1MB in the beginning and 69.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.85ms. Allocated memory is still 109.1MB. Free memory was 69.9MB in the beginning and 65.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 926.25ms. Allocated memory is still 109.1MB. Free memory was 65.7MB in the beginning and 59.7MB in the end (delta: 5.9MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 4717.97ms. Allocated memory was 109.1MB in the beginning and 144.7MB in the end (delta: 35.7MB). Free memory was 59.7MB in the beginning and 46.8MB in the end (delta: 13.0MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Witness Printer took 3.10ms. Allocated memory is still 144.7MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (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 4.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 821 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 820 mSDsluCounter, 3877 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2285 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 1592 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital220 mio100 ax100 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-23 15:38:56,213 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 [2022-07-23 15:38:56,424 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE