./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/trex04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e19ca921 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/loops/trex04.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 f70ffe9cd45c37f44e9e780e31340fab45b6a2fb7f7ef23a2d90faf4241229d6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 20:12:41,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 20:12:41,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 20:12:41,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 20:12:41,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 20:12:41,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 20:12:41,318 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 20:12:41,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 20:12:41,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 20:12:41,326 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 20:12:41,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 20:12:41,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 20:12:41,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 20:12:41,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 20:12:41,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 20:12:41,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 20:12:41,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 20:12:41,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 20:12:41,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 20:12:41,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 20:12:41,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 20:12:41,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 20:12:41,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 20:12:41,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 20:12:41,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 20:12:41,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 20:12:41,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 20:12:41,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 20:12:41,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 20:12:41,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 20:12:41,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 20:12:41,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 20:12:41,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 20:12:41,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 20:12:41,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 20:12:41,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 20:12:41,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 20:12:41,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 20:12:41,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 20:12:41,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 20:12:41,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 20:12:41,358 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-22 20:12:41,381 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 20:12:41,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 20:12:41,382 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 20:12:41,382 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 20:12:41,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 20:12:41,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 20:12:41,383 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 20:12:41,383 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-22 20:12:41,383 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-22 20:12:41,384 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-22 20:12:41,384 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-22 20:12:41,384 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-22 20:12:41,385 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-22 20:12:41,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 20:12:41,385 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 20:12:41,385 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 20:12:41,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 20:12:41,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 20:12:41,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 20:12:41,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-22 20:12:41,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-22 20:12:41,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-22 20:12:41,386 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 20:12:41,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 20:12:41,386 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-22 20:12:41,386 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 20:12:41,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-22 20:12:41,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 20:12:41,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 20:12:41,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 20:12:41,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 20:12:41,387 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 20:12:41,388 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-22 20:12:41,388 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f70ffe9cd45c37f44e9e780e31340fab45b6a2fb7f7ef23a2d90faf4241229d6 [2021-12-22 20:12:41,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 20:12:41,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 20:12:41,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 20:12:41,589 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 20:12:41,590 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 20:12:41,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/trex04.c [2021-12-22 20:12:41,650 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b07945c5/3b0b9ac48fc64b9593e3d3533793f59c/FLAG430ee8f89 [2021-12-22 20:12:41,921 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 20:12:41,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/trex04.c [2021-12-22 20:12:41,926 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b07945c5/3b0b9ac48fc64b9593e3d3533793f59c/FLAG430ee8f89 [2021-12-22 20:12:42,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b07945c5/3b0b9ac48fc64b9593e3d3533793f59c [2021-12-22 20:12:42,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 20:12:42,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 20:12:42,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 20:12:42,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 20:12:42,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 20:12:42,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:12:42" (1/1) ... [2021-12-22 20:12:42,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@540e9448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:42, skipping insertion in model container [2021-12-22 20:12:42,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:12:42" (1/1) ... [2021-12-22 20:12:42,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 20:12:42,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 20:12:42,497 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/loops/trex04.c[405,418] [2021-12-22 20:12:42,505 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:12:42,510 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 20:12:42,517 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/loops/trex04.c[405,418] [2021-12-22 20:12:42,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:12:42,533 INFO L208 MainTranslator]: Completed translation [2021-12-22 20:12:42,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:42 WrapperNode [2021-12-22 20:12:42,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 20:12:42,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 20:12:42,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 20:12:42,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 20:12:42,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:42" (1/1) ... [2021-12-22 20:12:42,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:42" (1/1) ... [2021-12-22 20:12:42,561 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2021-12-22 20:12:42,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 20:12:42,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 20:12:42,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 20:12:42,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 20:12:42,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:42" (1/1) ... [2021-12-22 20:12:42,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:42" (1/1) ... [2021-12-22 20:12:42,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:42" (1/1) ... [2021-12-22 20:12:42,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:42" (1/1) ... [2021-12-22 20:12:42,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:42" (1/1) ... [2021-12-22 20:12:42,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:42" (1/1) ... [2021-12-22 20:12:42,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:42" (1/1) ... [2021-12-22 20:12:42,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 20:12:42,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 20:12:42,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 20:12:42,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 20:12:42,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:42" (1/1) ... [2021-12-22 20:12:42,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:42,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:42,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:42,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-22 20:12:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 20:12:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 20:12:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 20:12:42,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 20:12:42,671 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 20:12:42,672 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 20:12:42,754 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 20:12:42,758 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 20:12:42,759 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 20:12:42,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:12:42 BoogieIcfgContainer [2021-12-22 20:12:42,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 20:12:42,761 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-22 20:12:42,761 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-22 20:12:42,763 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-22 20:12:42,764 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:12:42,764 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.12 08:12:42" (1/3) ... [2021-12-22 20:12:42,767 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c002b60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:12:42, skipping insertion in model container [2021-12-22 20:12:42,768 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:12:42,768 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:12:42" (2/3) ... [2021-12-22 20:12:42,768 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c002b60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:12:42, skipping insertion in model container [2021-12-22 20:12:42,768 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:12:42,768 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:12:42" (3/3) ... [2021-12-22 20:12:42,769 INFO L388 chiAutomizerObserver]: Analyzing ICFG trex04.c [2021-12-22 20:12:42,796 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-22 20:12:42,796 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-22 20:12:42,796 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-22 20:12:42,796 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-22 20:12:42,796 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-22 20:12:42,796 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-22 20:12:42,796 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-22 20:12:42,797 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-22 20:12:42,805 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:12:42,820 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-22 20:12:42,821 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:12:42,821 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:12:42,831 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:12:42,831 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-22 20:12:42,831 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-22 20:12:42,831 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:12:42,835 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-22 20:12:42,835 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:12:42,835 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:12:42,836 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:12:42,836 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-22 20:12:42,840 INFO L791 eck$LassoCheckResult]: Stem: 7#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(9, 2);call #Ultimate.allocInit(12, 3); 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_~d~0#1, main_~x~0#1, main_~c1~1#1, main_~c2~1#1;main_~d~0#1 := 1;main_~x~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 10#L31true assume !!(main_~x~0#1 <= 1000000 && main_~x~0#1 >= -1000000);main_~c1~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;main_~c2~1#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 18#L34true assume !(0 != main_~c1~1#1 % 256); 13#L34-2true assume !(0 != main_~c2~1#1 % 256); 15#L35-1true main_~c1~1#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~c2~1#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 24#L39true assume !(0 != main_~c1~1#1 % 256); 17#L39-2true assume !(0 != main_~c2~1#1 % 256); 5#L42-1true [2021-12-22 20:12:42,841 INFO L793 eck$LassoCheckResult]: Loop: 5#L42-1true assume !!(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - main_~d~0#1; 5#L42-1true [2021-12-22 20:12:42,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:42,853 INFO L85 PathProgramCache]: Analyzing trace with hash 179996080, now seen corresponding path program 1 times [2021-12-22 20:12:42,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:42,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868776589] [2021-12-22 20:12:42,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:42,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:42,952 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:12:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:42,993 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:12:42,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:42,995 INFO L85 PathProgramCache]: Analyzing trace with hash 97, now seen corresponding path program 1 times [2021-12-22 20:12:42,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:42,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031484816] [2021-12-22 20:12:42,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:42,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:43,003 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:12:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:43,010 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:12:43,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:43,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1284911250, now seen corresponding path program 1 times [2021-12-22 20:12:43,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:43,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759743988] [2021-12-22 20:12:43,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:43,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:43,028 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:12:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:43,044 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:12:43,355 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 20:12:43,356 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 20:12:43,356 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 20:12:43,356 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 20:12:43,356 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 20:12:43,356 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:43,356 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 20:12:43,356 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 20:12:43,356 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex04.c_Iteration1_Lasso [2021-12-22 20:12:43,356 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 20:12:43,356 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 20:12:43,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:43,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:43,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:43,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:43,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:43,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:43,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:43,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:43,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:43,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:43,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:43,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:43,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:43,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:43,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:12:43,620 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 20:12:43,623 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 20:12:43,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:43,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:43,625 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:43,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-22 20:12:43,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:43,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:43,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:12:43,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:43,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:43,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:43,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:12:43,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:12:43,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:43,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:43,672 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:43,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:43,673 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:43,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-22 20:12:43,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:43,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:43,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:43,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:43,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:43,684 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:12:43,684 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:12:43,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:43,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:43,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:43,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:43,736 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:43,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-22 20:12:43,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:43,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:43,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:43,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:43,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:43,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:12:43,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:12:43,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:43,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:43,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:43,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:43,776 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:43,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:43,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-22 20:12:43,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:43,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:43,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:43,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:43,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:12:43,787 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:12:43,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:43,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:43,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:43,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:43,826 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:43,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-22 20:12:43,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:43,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:43,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:43,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:43,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:43,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:12:43,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:12:43,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:43,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:43,861 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:43,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:43,862 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:43,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-22 20:12:43,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:43,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:43,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:43,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:43,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:43,880 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:12:43,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:12:43,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:43,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:43,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:43,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:43,908 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:43,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-22 20:12:43,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:43,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:43,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:43,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:43,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:43,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:12:43,936 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:12:43,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:43,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:43,967 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:43,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:43,970 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:43,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:43,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-22 20:12:43,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:43,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:12:43,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:43,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:43,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:43,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:12:43,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:12:43,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:44,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:44,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:44,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:44,038 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:44,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-22 20:12:44,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:44,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:44,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:44,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:44,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:44,052 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:12:44,052 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:12:44,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:44,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-22 20:12:44,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:44,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:44,074 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:44,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-22 20:12:44,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:44,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:44,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:44,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:44,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:44,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:12:44,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:12:44,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:44,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:44,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:44,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:44,116 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:44,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-22 20:12:44,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:44,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:44,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:44,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:44,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:44,126 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:12:44,126 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:12:44,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:44,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:44,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:44,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:44,146 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:44,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-22 20:12:44,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:44,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:44,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:44,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:44,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:44,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:12:44,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:12:44,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:44,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:44,186 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:44,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:44,188 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:44,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-22 20:12:44,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:44,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:44,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:44,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:44,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:44,199 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:12:44,199 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:12:44,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:44,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:44,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:44,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:44,224 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:44,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-22 20:12:44,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:44,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:44,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:44,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:44,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:44,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:12:44,234 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:12:44,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:44,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:44,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:44,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:44,264 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:44,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:44,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:44,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:12:44,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:44,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:44,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:44,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:12:44,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:12:44,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-22 20:12:44,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:44,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:44,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:44,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:44,313 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:44,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-22 20:12:44,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:44,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:44,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:12:44,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:44,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:44,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:44,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:12:44,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:12:44,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:44,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:44,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:44,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:44,351 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:44,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-22 20:12:44,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:44,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:44,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:12:44,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:44,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:44,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:44,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:12:44,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:12:44,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:44,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-22 20:12:44,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:44,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:44,392 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:44,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-22 20:12:44,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:44,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:44,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:44,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:44,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:44,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:12:44,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:12:44,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:44,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:44,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:44,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:44,458 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:44,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:44,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:44,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:12:44,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:44,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:44,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:44,471 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:12:44,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:12:44,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-22 20:12:44,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:12:44,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:44,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:44,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:44,524 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:44,525 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-22 20:12:44,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-22 20:12:44,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:12:44,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:12:44,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:12:44,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:12:44,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-22 20:12:44,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-22 20:12:44,544 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-22 20:12:44,564 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-12-22 20:12:44,565 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-12-22 20:12:44,566 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:12:44,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:12:44,567 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:12:44,575 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-22 20:12:44,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-22 20:12:44,596 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-22 20:12:44,597 INFO L513 LassoAnalysis]: Proved termination. [2021-12-22 20:12:44,597 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [1*ULTIMATE.start_main_~d~0#1 - 1 >= 0] [2021-12-22 20:12:44,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:44,620 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-22 20:12:44,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:12:44,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-22 20:12:44,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:12:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:12:44,713 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-22 20:12:44,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:12:44,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:12:44,733 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2021-12-22 20:12:44,734 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:12:44,793 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 71 states and 99 transitions. Complement of second has 8 states. [2021-12-22 20:12:44,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 1 non-accepting loop states 2 accepting loop states [2021-12-22 20:12:44,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:12:44,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 70 transitions. [2021-12-22 20:12:44,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 70 transitions. Stem has 8 letters. Loop has 1 letters. [2021-12-22 20:12:44,799 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:12:44,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 70 transitions. Stem has 9 letters. Loop has 1 letters. [2021-12-22 20:12:44,799 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:12:44,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 70 transitions. Stem has 8 letters. Loop has 2 letters. [2021-12-22 20:12:44,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:12:44,800 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 99 transitions. [2021-12-22 20:12:44,803 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2021-12-22 20:12:44,805 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 28 states and 42 transitions. [2021-12-22 20:12:44,806 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-12-22 20:12:44,806 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-12-22 20:12:44,806 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 42 transitions. [2021-12-22 20:12:44,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:12:44,807 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 42 transitions. [2021-12-22 20:12:44,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 42 transitions. [2021-12-22 20:12:44,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2021-12-22 20:12:44,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.56) internal successors, (39), 24 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:12:44,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 39 transitions. [2021-12-22 20:12:44,823 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 39 transitions. [2021-12-22 20:12:44,823 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 39 transitions. [2021-12-22 20:12:44,823 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-22 20:12:44,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 39 transitions. [2021-12-22 20:12:44,824 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-22 20:12:44,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:12:44,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:12:44,825 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:12:44,825 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-22 20:12:44,825 INFO L791 eck$LassoCheckResult]: Stem: 168#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(9, 2);call #Ultimate.allocInit(12, 3); 169#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_~d~0#1, main_~x~0#1, main_~c1~1#1, main_~c2~1#1;main_~d~0#1 := 1;main_~x~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 170#L31 assume !!(main_~x~0#1 <= 1000000 && main_~x~0#1 >= -1000000);main_~c1~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;main_~c2~1#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 171#L34 assume 0 != main_~c1~1#1 % 256;main_~d~0#1 := main_~d~0#1 - 1; 174#L34-2 assume !(0 != main_~c2~1#1 % 256); 176#L35-1 main_~c1~1#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~c2~1#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 177#L39 assume !(0 != main_~c1~1#1 % 256); 167#L39-2 assume !(0 != main_~c2~1#1 % 256); 164#L42-1 [2021-12-22 20:12:44,825 INFO L793 eck$LassoCheckResult]: Loop: 164#L42-1 assume !!(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - main_~d~0#1; 164#L42-1 [2021-12-22 20:12:44,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:44,825 INFO L85 PathProgramCache]: Analyzing trace with hash 178149038, now seen corresponding path program 1 times [2021-12-22 20:12:44,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:44,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551540492] [2021-12-22 20:12:44,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:44,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:44,833 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:12:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:44,842 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:12:44,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:44,843 INFO L85 PathProgramCache]: Analyzing trace with hash 97, now seen corresponding path program 2 times [2021-12-22 20:12:44,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:44,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119455962] [2021-12-22 20:12:44,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:44,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:44,855 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:12:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:44,857 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:12:44,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:12:44,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1227652948, now seen corresponding path program 1 times [2021-12-22 20:12:44,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:12:44,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753057766] [2021-12-22 20:12:44,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:12:44,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:12:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:44,872 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:12:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:12:44,879 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:12:45,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.12 08:12:45 BoogieIcfgContainer [2021-12-22 20:12:45,037 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-22 20:12:45,037 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 20:12:45,037 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 20:12:45,037 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 20:12:45,038 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:12:42" (3/4) ... [2021-12-22 20:12:45,040 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-22 20:12:45,067 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-22 20:12:45,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 20:12:45,068 INFO L158 Benchmark]: Toolchain (without parser) took 2700.00ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 64.3MB in the beginning and 46.3MB in the end (delta: 17.9MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2021-12-22 20:12:45,068 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 77.6MB. Free memory was 40.2MB in the beginning and 40.1MB in the end (delta: 75.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:12:45,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165.43ms. Allocated memory is still 94.4MB. Free memory was 63.9MB in the beginning and 71.8MB in the end (delta: -7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 20:12:45,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.78ms. Allocated memory is still 94.4MB. Free memory was 71.8MB in the beginning and 70.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 20:12:45,069 INFO L158 Benchmark]: Boogie Preprocessor took 16.33ms. Allocated memory is still 94.4MB. Free memory was 70.3MB in the beginning and 69.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:12:45,069 INFO L158 Benchmark]: RCFGBuilder took 181.82ms. Allocated memory is still 94.4MB. Free memory was 69.2MB in the beginning and 59.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-22 20:12:45,069 INFO L158 Benchmark]: BuchiAutomizer took 2275.80ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 58.7MB in the beginning and 47.7MB in the end (delta: 11.0MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2021-12-22 20:12:45,070 INFO L158 Benchmark]: Witness Printer took 30.31ms. Allocated memory is still 113.2MB. Free memory was 47.7MB in the beginning and 46.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 20:12:45,071 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 77.6MB. Free memory was 40.2MB in the beginning and 40.1MB in the end (delta: 75.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 165.43ms. Allocated memory is still 94.4MB. Free memory was 63.9MB in the beginning and 71.8MB in the end (delta: -7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.78ms. Allocated memory is still 94.4MB. Free memory was 71.8MB in the beginning and 70.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.33ms. Allocated memory is still 94.4MB. Free memory was 70.3MB in the beginning and 69.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 181.82ms. Allocated memory is still 94.4MB. Free memory was 69.2MB in the beginning and 59.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2275.80ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 58.7MB in the beginning and 47.7MB in the end (delta: 11.0MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * Witness Printer took 30.31ms. Allocated memory is still 113.2MB. Free memory was 47.7MB in the beginning and 46.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function x and consists of 6 locations. The remainder module has 25 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 59 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 59 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 51 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital91 mio100 ax100 hnf100 lsp25 ukn100 mio100 lsp100 div191 bol100 ite100 ukn100 eq145 hnf95 smp54 dnf100 smp100 tf100 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 42]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@748a5e92=0, NULL=0, NULL=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fedc8c1=0, c2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ffd6815=0, x=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69b565ab=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a845020=0, d=0, c1=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 28]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L29] int d = 1; [L30] int x = __VERIFIER_nondet_int(); [L31] COND FALSE !(!(x <= 1000000 && x >= -1000000)) [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L34] COND TRUE \read(c1) [L34] d = d - 1 [L35] COND FALSE !(\read(c2)) [L37] c1=__VERIFIER_nondet_bool() [L37] c2=__VERIFIER_nondet_bool() [L39] COND FALSE !(\read(c1)) [L40] COND FALSE !(\read(c2)) Loop: [L42] COND TRUE x>0 [L44] x=x-d End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-22 20:12:45,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-22 20:12:45,311 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)