./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8d31f386 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/verisec_NetBSD-libc_loop.i -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 e365d1f7c546788b4f6c8f402c5031aacc4ea6e6 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Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 19:33:28,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 19:33:28,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 19:33:28,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 19:33:28,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 19:33:28,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 19:33:28,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 19:33:28,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 19:33:28,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 19:33:28,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 19:33:28,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 19:33:28,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 19:33:28,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 19:33:28,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 19:33:28,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 19:33:28,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 19:33:28,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 19:33:28,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 19:33:28,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 19:33:28,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 19:33:28,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 19:33:28,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 19:33:28,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 19:33:28,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 19:33:28,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 19:33:28,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 19:33:28,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 19:33:28,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 19:33:28,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 19:33:28,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 19:33:28,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 19:33:28,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 19:33:28,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 19:33:28,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 19:33:28,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 19:33:28,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 19:33:28,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 19:33:28,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 19:33:28,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 19:33:28,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 19:33:28,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 19:33:28,357 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 19:33:28,387 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 19:33:28,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 19:33:28,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 19:33:28,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 19:33:28,390 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 19:33:28,390 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 19:33:28,390 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 19:33:28,391 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 19:33:28,391 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 19:33:28,391 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 19:33:28,392 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 19:33:28,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 19:33:28,392 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 19:33:28,393 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 19:33:28,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 19:33:28,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 19:33:28,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 19:33:28,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 19:33:28,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 19:33:28,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 19:33:28,393 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 19:33:28,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 19:33:28,393 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 19:33:28,394 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 19:33:28,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 19:33:28,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 19:33:28,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 19:33:28,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 19:33:28,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 19:33:28,394 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 19:33:28,395 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 19:33:28,395 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e365d1f7c546788b4f6c8f402c5031aacc4ea6e6 [2021-07-06 19:33:28,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 19:33:28,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 19:33:28,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 19:33:28,686 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 19:33:28,686 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 19:33:28,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i [2021-07-06 19:33:28,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dd8cd90b/ae7701aad0774f44b2d5eebe25efa379/FLAG3fe495f1d [2021-07-06 19:33:29,114 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 19:33:29,115 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/verisec_NetBSD-libc_loop.i [2021-07-06 19:33:29,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dd8cd90b/ae7701aad0774f44b2d5eebe25efa379/FLAG3fe495f1d [2021-07-06 19:33:29,132 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4dd8cd90b/ae7701aad0774f44b2d5eebe25efa379 [2021-07-06 19:33:29,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 19:33:29,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 19:33:29,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 19:33:29,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 19:33:29,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 19:33:29,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 07:33:29" (1/1) ... [2021-07-06 19:33:29,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6711393a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:33:29, skipping insertion in model container [2021-07-06 19:33:29,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 07:33:29" (1/1) ... [2021-07-06 19:33:29,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 19:33:29,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 19:33:29,251 WARN L224 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/verisec_NetBSD-libc_loop.i[825,838] [2021-07-06 19:33:29,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 19:33:29,268 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 19:33:29,276 WARN L224 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/verisec_NetBSD-libc_loop.i[825,838] [2021-07-06 19:33:29,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 19:33:29,290 INFO L208 MainTranslator]: Completed translation [2021-07-06 19:33:29,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:33:29 WrapperNode [2021-07-06 19:33:29,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 19:33:29,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 19:33:29,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 19:33:29,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 19:33:29,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:33:29" (1/1) ... [2021-07-06 19:33:29,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:33:29" (1/1) ... [2021-07-06 19:33:29,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 19:33:29,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 19:33:29,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 19:33:29,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 19:33:29,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:33:29" (1/1) ... [2021-07-06 19:33:29,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:33:29" (1/1) ... [2021-07-06 19:33:29,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:33:29" (1/1) ... [2021-07-06 19:33:29,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:33:29" (1/1) ... [2021-07-06 19:33:29,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:33:29" (1/1) ... [2021-07-06 19:33:29,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:33:29" (1/1) ... [2021-07-06 19:33:29,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:33:29" (1/1) ... [2021-07-06 19:33:29,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 19:33:29,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 19:33:29,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 19:33:29,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 19:33:29,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:33:29" (1/1) ... [2021-07-06 19:33:29,373 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:33:29,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:33:29,386 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) [2021-07-06 19:33:29,408 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 [2021-07-06 19:33:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 19:33:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 19:33:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-06 19:33:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 19:33:29,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 19:33:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-06 19:33:29,629 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 19:33:29,629 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-07-06 19:33:29,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:33:29 BoogieIcfgContainer [2021-07-06 19:33:29,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 19:33:29,631 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 19:33:29,631 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 19:33:29,632 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 19:33:29,633 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:33:29,633 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 07:33:29" (1/3) ... [2021-07-06 19:33:29,633 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78af03c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 07:33:29, skipping insertion in model container [2021-07-06 19:33:29,634 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:33:29,634 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 07:33:29" (2/3) ... [2021-07-06 19:33:29,634 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78af03c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 07:33:29, skipping insertion in model container [2021-07-06 19:33:29,634 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 19:33:29,634 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:33:29" (3/3) ... [2021-07-06 19:33:29,635 INFO L389 chiAutomizerObserver]: Analyzing ICFG verisec_NetBSD-libc_loop.i [2021-07-06 19:33:29,687 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 19:33:29,687 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 19:33:29,687 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 19:33:29,687 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 19:33:29,687 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 19:33:29,687 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 19:33:29,687 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 19:33:29,687 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 19:33:29,701 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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) [2021-07-06 19:33:29,710 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-07-06 19:33:29,711 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 19:33:29,711 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 19:33:29,714 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-07-06 19:33:29,714 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-07-06 19:33:29,714 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 19:33:29,714 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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) [2021-07-06 19:33:29,715 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-07-06 19:33:29,715 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 19:33:29,715 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 19:33:29,716 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-07-06 19:33:29,716 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-07-06 19:33:29,719 INFO L791 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(27);~tmp~0.base, ~tmp~0.offset := 0, 0; 8#L-1true havoc main_#res;havoc main_#t~ret4, main_~#pathbuf~0.base, main_~#pathbuf~0.offset, main_~bound~0.base, main_~bound~0.offset;call main_~#pathbuf~0.base, main_~#pathbuf~0.offset := #Ultimate.allocOnStack(8);main_~bound~0.base, main_~bound~0.offset := main_~#pathbuf~0.base, 32 + main_~#pathbuf~0.offset - 4;~tmp~0.base, ~tmp~0.offset := main_~#pathbuf~0.base, 8 + main_~#pathbuf~0.offset - 4;glob2_#in~pathbuf.base, glob2_#in~pathbuf.offset, glob2_#in~pathlim.base, glob2_#in~pathlim.offset := main_~#pathbuf~0.base, main_~#pathbuf~0.offset, main_~bound~0.base, main_~bound~0.offset;havoc glob2_#res;havoc glob2_#t~post3.base, glob2_#t~post3.offset, glob2_~pathbuf.base, glob2_~pathbuf.offset, glob2_~pathlim.base, glob2_~pathlim.offset, glob2_~p~0.base, glob2_~p~0.offset;glob2_~pathbuf.base, glob2_~pathbuf.offset := glob2_#in~pathbuf.base, glob2_#in~pathbuf.offset;glob2_~pathlim.base, glob2_~pathlim.offset := glob2_#in~pathlim.base, glob2_#in~pathlim.offset;havoc glob2_~p~0.base, glob2_~p~0.offset;glob2_~p~0.base, glob2_~p~0.offset := glob2_~pathbuf.base, glob2_~pathbuf.offset; 15#L29-4true [2021-07-06 19:33:29,720 INFO L793 eck$LassoCheckResult]: Loop: 15#L29-4true assume glob2_~p~0.base == glob2_~pathlim.base; 7#L29-1true assume !!(glob2_~p~0.offset <= glob2_~pathlim.offset);assume glob2_~p~0.base == ~tmp~0.base;__VERIFIER_assert_#in~cond := (if glob2_~p~0.offset <= ~tmp~0.offset then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 3#L15true assume !(0 == __VERIFIER_assert_~cond); 11#L15-2true call write~int(1, glob2_~p~0.base, glob2_~p~0.offset, 4); 4#L29-3true glob2_#t~post3.base, glob2_#t~post3.offset := glob2_~p~0.base, glob2_~p~0.offset;glob2_~p~0.base, glob2_~p~0.offset := glob2_#t~post3.base, 4 + glob2_#t~post3.offset;havoc glob2_#t~post3.base, glob2_#t~post3.offset; 15#L29-4true [2021-07-06 19:33:29,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:33:29,726 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-07-06 19:33:29,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:33:29,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587630903] [2021-07-06 19:33:29,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:33:29,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:33:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:33:29,858 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:33:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:33:29,904 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:33:29,935 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:33:29,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:33:29,941 INFO L82 PathProgramCache]: Analyzing trace with hash 34515950, now seen corresponding path program 1 times [2021-07-06 19:33:29,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:33:29,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877425270] [2021-07-06 19:33:29,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:33:29,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:33:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:33:29,981 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:33:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:33:30,000 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:33:30,002 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:33:30,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:33:30,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1805955436, now seen corresponding path program 1 times [2021-07-06 19:33:30,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 19:33:30,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571066972] [2021-07-06 19:33:30,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 19:33:30,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 19:33:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:33:30,030 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:33:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 19:33:30,041 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 19:33:30,045 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 19:33:30,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:33:30,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-07-06 19:33:30,445 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2021-07-06 19:33:30,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:33:30,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-07-06 19:33:30,612 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-07-06 19:33:30,620 INFO L210 LassoAnalysis]: Preferences: [2021-07-06 19:33:30,620 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-07-06 19:33:30,620 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-07-06 19:33:30,620 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-07-06 19:33:30,621 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-07-06 19:33:30,621 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:33:30,621 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-07-06 19:33:30,621 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-07-06 19:33:30,621 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_NetBSD-libc_loop.i_Iteration1_Lasso [2021-07-06 19:33:30,621 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-07-06 19:33:30,621 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-07-06 19:33:30,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:33:30,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:33:30,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:33:30,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:33:30,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:33:30,852 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-07-06 19:33:30,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:33:30,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:33:30,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:33:30,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:33:30,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-07-06 19:33:31,315 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-07-06 19:33:31,318 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-07-06 19:33:31,320 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:33:31,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:33:31,335 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) [2021-07-06 19:33:31,336 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 [2021-07-06 19:33:31,340 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 [2021-07-06 19:33:31,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:33:31,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 19:33:31,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:33:31,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:33:31,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:33:31,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 19:33:31,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 19:33:31,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:33:31,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-07-06 19:33:31,384 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:33:31,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:33:31,385 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) [2021-07-06 19:33:31,391 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 [2021-07-06 19:33:31,391 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 [2021-07-06 19:33:31,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:33:31,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 19:33:31,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:33:31,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:33:31,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:33:31,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 19:33:31,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 19:33:31,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:33:31,433 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 [2021-07-06 19:33:31,433 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:33:31,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:33:31,435 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) [2021-07-06 19:33:31,436 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 [2021-07-06 19:33:31,437 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 [2021-07-06 19:33:31,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:33:31,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:33:31,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:33:31,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:33:31,445 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:33:31,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:33:31,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:33:31,478 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 [2021-07-06 19:33:31,478 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:33:31,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:33:31,479 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) [2021-07-06 19:33:31,480 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 [2021-07-06 19:33:31,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 19:33:31,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:33:31,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 19:33:31,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:33:31,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:33:31,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:33:31,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 19:33:31,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 19:33:31,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:33:31,520 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 [2021-07-06 19:33:31,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:33:31,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:33:31,521 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) [2021-07-06 19:33:31,522 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 [2021-07-06 19:33:31,524 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 [2021-07-06 19:33:31,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:33:31,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-07-06 19:33:31,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:33:31,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:33:31,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:33:31,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-07-06 19:33:31,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-07-06 19:33:31,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:33:31,562 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 [2021-07-06 19:33:31,562 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:33:31,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:33:31,563 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) [2021-07-06 19:33:31,564 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 [2021-07-06 19:33:31,565 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 [2021-07-06 19:33:31,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:33:31,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:33:31,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:33:31,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:33:31,581 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:33:31,581 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:33:31,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:33:31,615 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 [2021-07-06 19:33:31,615 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:33:31,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:33:31,616 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) [2021-07-06 19:33:31,616 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 [2021-07-06 19:33:31,618 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 [2021-07-06 19:33:31,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:33:31,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:33:31,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:33:31,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:33:31,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:33:31,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:33:31,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:33:31,658 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 [2021-07-06 19:33:31,658 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:33:31,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:33:31,659 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) [2021-07-06 19:33:31,660 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 [2021-07-06 19:33:31,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-07-06 19:33:31,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:33:31,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:33:31,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:33:31,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:33:31,670 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:33:31,670 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:33:31,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:33:31,702 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 [2021-07-06 19:33:31,702 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:33:31,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:33:31,703 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) [2021-07-06 19:33:31,704 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 [2021-07-06 19:33:31,706 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 [2021-07-06 19:33:31,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:33:31,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:33:31,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:33:31,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:33:31,714 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:33:31,714 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:33:31,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:33:31,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-07-06 19:33:31,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:33:31,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:33:31,747 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) [2021-07-06 19:33:31,752 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 [2021-07-06 19:33:31,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:33:31,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:33:31,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:33:31,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:33:31,760 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:33:31,760 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:33:31,763 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 [2021-07-06 19:33:31,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:33:31,789 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 [2021-07-06 19:33:31,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:33:31,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:33:31,790 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) [2021-07-06 19:33:31,790 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 [2021-07-06 19:33:31,792 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 [2021-07-06 19:33:31,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:33:31,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:33:31,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:33:31,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:33:31,800 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:33:31,800 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:33:31,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:33:31,830 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 [2021-07-06 19:33:31,830 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:33:31,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:33:31,834 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) [2021-07-06 19:33:31,835 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 [2021-07-06 19:33:31,837 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 [2021-07-06 19:33:31,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:33:31,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:33:31,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:33:31,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:33:31,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:33:31,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:33:31,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:33:31,875 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 [2021-07-06 19:33:31,875 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:33:31,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:33:31,876 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) [2021-07-06 19:33:31,877 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 [2021-07-06 19:33:31,878 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 [2021-07-06 19:33:31,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:33:31,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:33:31,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:33:31,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:33:31,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:33:31,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:33:31,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:33:31,919 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 [2021-07-06 19:33:31,919 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:33:31,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:33:31,920 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) [2021-07-06 19:33:31,921 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 [2021-07-06 19:33:31,933 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 [2021-07-06 19:33:31,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:33:31,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:33:31,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:33:31,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:33:31,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:33:31,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:33:31,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-07-06 19:33:31,974 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 [2021-07-06 19:33:31,974 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:33:31,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:33:31,977 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) [2021-07-06 19:33:32,021 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 [2021-07-06 19:33:32,022 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 [2021-07-06 19:33:32,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-07-06 19:33:32,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-07-06 19:33:32,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-07-06 19:33:32,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-07-06 19:33:32,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-07-06 19:33:32,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-07-06 19:33:32,069 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-07-06 19:33:32,119 INFO L443 ModelExtractionUtils]: Simplification made 23 calls to the SMT solver. [2021-07-06 19:33:32,119 INFO L444 ModelExtractionUtils]: 10 out of 37 variables were initially zero. Simplification set additionally 22 variables to zero. [2021-07-06 19:33:32,120 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 19:33:32,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 19:33:32,145 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) [2021-07-06 19:33:32,227 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 [2021-07-06 19:33:32,227 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-07-06 19:33:32,245 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-07-06 19:33:32,246 INFO L513 LassoAnalysis]: Proved termination. [2021-07-06 19:33:32,246 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_glob2_~p~0.offset, ULTIMATE.start_glob2_#in~pathlim.offset) = -1*ULTIMATE.start_glob2_~p~0.offset + 2*ULTIMATE.start_glob2_#in~pathlim.offset Supporting invariants [-1*v_rep(select #length ULTIMATE.start_glob2_~p~0.base)_1 + 1*ULTIMATE.start_glob2_#in~pathlim.offset >= 0] [2021-07-06 19:33:32,279 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 [2021-07-06 19:33:32,305 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2021-07-06 19:33:32,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 19:33:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 19:33:32,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-06 19:33:32,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 19:33:32,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:33:32,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:33:32,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:33:32,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:33:32,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:33:32,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:33:32,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:33:32,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 19:33:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 19:33:32,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-06 19:33:32,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-06 19:33:32,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:33:32,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-06 19:33:32,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:33:32,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-06 19:33:32,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:33:32,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-06 19:33:32,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:33:32,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-06 19:33:32,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:33:32,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-06 19:33:32,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:33:32,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-06 19:33:32,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:33:32,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-06 19:33:32,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:33:32,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-06 19:33:32,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:33:32,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-06 19:33:32,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:33:32,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-06 19:33:32,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:33:32,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-06 19:33:32,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:33:32,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-06 19:33:32,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:33:32,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-06 19:33:32,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:33:32,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-06 19:33:32,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:33:32,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-06 19:33:32,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 19:33:32,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-06 19:33:32,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 19:33:32,408 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-07-06 19:33:32,409 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2021-07-06 19:33:32,455 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 35 states and 41 transitions. Complement of second has 7 states. [2021-07-06 19:33:32,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-07-06 19:33:32,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2021-07-06 19:33:32,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2021-07-06 19:33:32,459 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 5 letters. [2021-07-06 19:33:32,459 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 19:33:32,459 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 7 letters. Loop has 5 letters. [2021-07-06 19:33:32,460 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 19:33:32,460 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 10 letters. [2021-07-06 19:33:32,460 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-07-06 19:33:32,461 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 41 transitions. [2021-07-06 19:33:32,462 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 19:33:32,464 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2021-07-06 19:33:32,464 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-07-06 19:33:32,464 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-07-06 19:33:32,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-07-06 19:33:32,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 19:33:32,465 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:33:32,465 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:33:32,465 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-06 19:33:32,465 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-07-06 19:33:32,465 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-07-06 19:33:32,465 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-07-06 19:33:32,465 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-07-06 19:33:32,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 07:33:32 BoogieIcfgContainer [2021-07-06 19:33:32,469 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 19:33:32,470 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 19:33:32,470 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 19:33:32,470 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 19:33:32,470 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 07:33:29" (3/4) ... [2021-07-06 19:33:32,472 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-07-06 19:33:32,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 19:33:32,473 INFO L168 Benchmark]: Toolchain (without parser) took 3337.26 ms. Allocated memory was 67.1 MB in the beginning and 113.2 MB in the end (delta: 46.1 MB). Free memory was 49.3 MB in the beginning and 50.6 MB in the end (delta: -1.2 MB). Peak memory consumption was 44.8 MB. Max. memory is 16.1 GB. [2021-07-06 19:33:32,473 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 67.1 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:33:32,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 154.40 ms. Allocated memory is still 67.1 MB. Free memory was 49.2 MB in the beginning and 39.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-07-06 19:33:32,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.72 ms. Allocated memory is still 67.1 MB. Free memory was 39.6 MB in the beginning and 50.9 MB in the end (delta: -11.2 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. [2021-07-06 19:33:32,474 INFO L168 Benchmark]: Boogie Preprocessor took 47.24 ms. Allocated memory is still 67.1 MB. Free memory was 50.9 MB in the beginning and 49.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 19:33:32,475 INFO L168 Benchmark]: RCFGBuilder took 261.39 ms. Allocated memory is still 67.1 MB. Free memory was 49.6 MB in the beginning and 37.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-07-06 19:33:32,475 INFO L168 Benchmark]: BuchiAutomizer took 2838.70 ms. Allocated memory was 67.1 MB in the beginning and 113.2 MB in the end (delta: 46.1 MB). Free memory was 36.8 MB in the beginning and 50.6 MB in the end (delta: -13.8 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB. [2021-07-06 19:33:32,475 INFO L168 Benchmark]: Witness Printer took 2.67 ms. Allocated memory is still 113.2 MB. Free memory is still 50.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 19:33:32,477 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 67.1 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 154.40 ms. Allocated memory is still 67.1 MB. Free memory was 49.2 MB in the beginning and 39.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 28.72 ms. Allocated memory is still 67.1 MB. Free memory was 39.6 MB in the beginning and 50.9 MB in the end (delta: -11.2 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.24 ms. Allocated memory is still 67.1 MB. Free memory was 50.9 MB in the beginning and 49.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 261.39 ms. Allocated memory is still 67.1 MB. Free memory was 49.6 MB in the beginning and 37.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2838.70 ms. Allocated memory was 67.1 MB in the beginning and 113.2 MB in the end (delta: 46.1 MB). Free memory was 36.8 MB in the beginning and 50.6 MB in the end (delta: -13.8 MB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB. * Witness Printer took 2.67 ms. Allocated memory is still 113.2 MB. Free memory is still 50.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * p + 2 * pathlim and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. 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 No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 10 SDslu, 12 SDs, 0 SdLazy, 12 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.1ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital203 mio100 ax100 hnf100 lsp92 ukn80 mio100 lsp42 div100 bol100 ite100 ukn100 eq196 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms 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: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-07-06 19:33:32,500 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 [2021-07-06 19:33:32,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...