./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-easy2-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-easy2-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0 --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 64bit --witnessprinter.graph.data.programhash 0caa59e1faf0ad3d2791737919ecbef32e653ee10212e2c418a84055594f6a3c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 14:56:21,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 14:56:21,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 14:56:21,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 14:56:21,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 14:56:21,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 14:56:21,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 14:56:21,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 14:56:21,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 14:56:21,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 14:56:21,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 14:56:21,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 14:56:21,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 14:56:21,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 14:56:21,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 14:56:21,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 14:56:21,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 14:56:21,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 14:56:21,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 14:56:21,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 14:56:21,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 14:56:21,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 14:56:21,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 14:56:21,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 14:56:21,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 14:56:21,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 14:56:21,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 14:56:21,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 14:56:21,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 14:56:21,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 14:56:21,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 14:56:21,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 14:56:21,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 14:56:21,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 14:56:21,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 14:56:21,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 14:56:21,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 14:56:21,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 14:56:21,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 14:56:21,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 14:56:21,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 14:56:21,342 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-22 14:56:21,413 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 14:56:21,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 14:56:21,414 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 14:56:21,414 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 14:56:21,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 14:56:21,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 14:56:21,417 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 14:56:21,418 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-22 14:56:21,418 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-22 14:56:21,418 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-22 14:56:21,419 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-22 14:56:21,420 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-22 14:56:21,420 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-22 14:56:21,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 14:56:21,421 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 14:56:21,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 14:56:21,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 14:56:21,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-22 14:56:21,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-22 14:56:21,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-22 14:56:21,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 14:56:21,422 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-22 14:56:21,423 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 14:56:21,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-22 14:56:21,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 14:56:21,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 14:56:21,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 14:56:21,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 14:56:21,426 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 14:56:21,428 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-22 14:56:21,428 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0caa59e1faf0ad3d2791737919ecbef32e653ee10212e2c418a84055594f6a3c [2021-11-22 14:56:21,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 14:56:21,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 14:56:21,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 14:56:21,834 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 14:56:21,835 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 14:56:21,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-easy2-2.c [2021-11-22 14:56:21,920 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/data/4b8077050/74b18ed931a74d218a55bc155297dfb9/FLAG9396c5a1e [2021-11-22 14:56:22,476 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 14:56:22,477 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-easy2-2.c [2021-11-22 14:56:22,485 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/data/4b8077050/74b18ed931a74d218a55bc155297dfb9/FLAG9396c5a1e [2021-11-22 14:56:22,858 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/data/4b8077050/74b18ed931a74d218a55bc155297dfb9 [2021-11-22 14:56:22,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 14:56:22,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 14:56:22,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 14:56:22,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 14:56:22,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 14:56:22,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:56:22" (1/1) ... [2021-11-22 14:56:22,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b956f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:22, skipping insertion in model container [2021-11-22 14:56:22,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:56:22" (1/1) ... [2021-11-22 14:56:22,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 14:56:22,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 14:56:23,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:56:23,184 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 14:56:23,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 14:56:23,213 INFO L208 MainTranslator]: Completed translation [2021-11-22 14:56:23,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:23 WrapperNode [2021-11-22 14:56:23,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 14:56:23,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 14:56:23,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 14:56:23,216 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 14:56:23,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:23" (1/1) ... [2021-11-22 14:56:23,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:23" (1/1) ... [2021-11-22 14:56:23,251 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2021-11-22 14:56:23,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 14:56:23,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 14:56:23,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 14:56:23,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 14:56:23,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:23" (1/1) ... [2021-11-22 14:56:23,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:23" (1/1) ... [2021-11-22 14:56:23,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:23" (1/1) ... [2021-11-22 14:56:23,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:23" (1/1) ... [2021-11-22 14:56:23,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:23" (1/1) ... [2021-11-22 14:56:23,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:23" (1/1) ... [2021-11-22 14:56:23,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:23" (1/1) ... [2021-11-22 14:56:23,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 14:56:23,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 14:56:23,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 14:56:23,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 14:56:23,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:23" (1/1) ... [2021-11-22 14:56:23,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:56:23,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:56:23,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:56:23,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-22 14:56:23,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 14:56:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 14:56:23,432 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 14:56:23,435 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 14:56:23,532 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 14:56:23,544 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 14:56:23,545 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 14:56:23,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:56:23 BoogieIcfgContainer [2021-11-22 14:56:23,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 14:56:23,550 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-22 14:56:23,550 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-22 14:56:23,554 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-22 14:56:23,556 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:56:23,556 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 02:56:22" (1/3) ... [2021-11-22 14:56:23,558 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58440350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 02:56:23, skipping insertion in model container [2021-11-22 14:56:23,559 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:56:23,559 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:56:23" (2/3) ... [2021-11-22 14:56:23,559 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58440350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 02:56:23, skipping insertion in model container [2021-11-22 14:56:23,559 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 14:56:23,560 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:56:23" (3/3) ... [2021-11-22 14:56:23,561 INFO L388 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-easy2-2.c [2021-11-22 14:56:23,640 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-22 14:56:23,640 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-22 14:56:23,640 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-22 14:56:23,640 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-22 14:56:23,640 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-22 14:56:23,641 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-22 14:56:23,641 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-22 14:56:23,641 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-22 14:56:23,660 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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) [2021-11-22 14:56:23,683 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-22 14:56:23,683 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 14:56:23,683 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 14:56:23,690 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-22 14:56:23,690 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-22 14:56:23,690 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-22 14:56:23,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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) [2021-11-22 14:56:23,692 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-22 14:56:23,692 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 14:56:23,692 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 14:56:23,693 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-22 14:56:23,693 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-22 14:56:23,701 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;main_~x~0#1 := 0;main_~y~0#1 := 0;main_~z~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 6#L13-2true [2021-11-22 14:56:23,701 INFO L793 eck$LassoCheckResult]: Loop: 6#L13-2true assume !!(main_~z~0#1 > 0);main_~x~0#1 := 1 + main_~x~0#1;main_~y~0#1 := main_~y~0#1 - 1;main_~z~0#1 := main_~z~0#1 - 1; 6#L13-2true [2021-11-22 14:56:23,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:56:23,713 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-22 14:56:23,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:56:23,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971608051] [2021-11-22 14:56:23,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:56:23,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:56:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:56:23,813 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:56:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:56:23,835 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:56:23,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:56:23,839 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2021-11-22 14:56:23,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:56:23,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080633370] [2021-11-22 14:56:23,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:56:23,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:56:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:56:23,853 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:56:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:56:23,872 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:56:23,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:56:23,875 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2021-11-22 14:56:23,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 14:56:23,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861330734] [2021-11-22 14:56:23,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 14:56:23,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 14:56:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:56:23,889 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 14:56:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 14:56:23,907 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 14:56:24,060 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 14:56:24,061 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 14:56:24,061 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 14:56:24,061 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 14:56:24,061 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-22 14:56:24,061 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:56:24,062 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 14:56:24,062 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 14:56:24,062 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-easy2-2.c_Iteration1_Loop [2021-11-22 14:56:24,062 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 14:56:24,063 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 14:56:24,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:56:24,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:56:24,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:56:24,232 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 14:56:24,233 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-22 14:56:24,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:56:24,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:56:24,245 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:56:24,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-22 14:56:24,247 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 14:56:24,256 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 14:56:24,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-11-22 14:56:24,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:56:24,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:56:24,301 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:56:24,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-22 14:56:24,303 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-22 14:56:24,304 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 14:56:24,346 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 14:56:24,347 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0#1=0} Honda state: {ULTIMATE.start_main_~y~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0#1=6}, {ULTIMATE.start_main_~y~0#1=1}, {ULTIMATE.start_main_~y~0#1=-8}] Lambdas: [1, 9, 1] Nus: [0, 1] [2021-11-22 14:56:24,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-22 14:56:24,392 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:56:24,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:56:24,394 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:56:24,402 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 14:56:24,403 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 14:56:24,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-22 14:56:24,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-22 14:56:24,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:56:24,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:56:24,453 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:56:24,479 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-22 14:56:24,479 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 14:56:24,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-22 14:56:24,527 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-22 14:56:24,527 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=-3}, {ULTIMATE.start_main_~x~0#1=3}, {ULTIMATE.start_main_~x~0#1=1}] Lambdas: [2, 1, 1] Nus: [1, 0] [2021-11-22 14:56:24,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-22 14:56:24,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:56:24,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:56:24,571 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:56:24,578 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-22 14:56:24,578 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 14:56:24,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-22 14:56:24,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-22 14:56:24,640 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:56:24,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:56:24,641 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:56:24,651 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-22 14:56:24,651 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-22 14:56:24,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-22 14:56:24,720 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-22 14:56:24,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-22 14:56:24,724 INFO L210 LassoAnalysis]: Preferences: [2021-11-22 14:56:24,724 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-22 14:56:24,724 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-22 14:56:24,724 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-22 14:56:24,724 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-22 14:56:24,724 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:56:24,725 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-22 14:56:24,725 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-22 14:56:24,725 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-easy2-2.c_Iteration1_Loop [2021-11-22 14:56:24,725 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-22 14:56:24,725 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-22 14:56:24,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:56:24,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:56:24,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-22 14:56:24,780 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-22 14:56:24,784 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-22 14:56:24,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:56:24,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:56:24,787 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:56:24,794 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 [2021-11-22 14:56:24,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:56:24,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:56:24,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:56:24,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:56:24,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:56:24,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:56:24,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:56:24,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-22 14:56:24,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:56:24,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-22 14:56:24,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:56:24,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:56:24,860 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:56:24,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-22 14:56:24,866 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 [2021-11-22 14:56:24,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:56:24,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:56:24,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:56:24,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:56:24,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:56:24,875 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:56:24,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:56:24,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-22 14:56:24,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-22 14:56:24,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:56:24,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:56:24,915 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:56:24,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-22 14:56:24,917 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 [2021-11-22 14:56:24,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-22 14:56:24,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-22 14:56:24,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-22 14:56:24,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-22 14:56:24,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-22 14:56:24,926 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-22 14:56:24,926 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-22 14:56:24,965 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-22 14:56:24,969 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-22 14:56:24,970 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-11-22 14:56:24,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 14:56:24,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 14:56:24,973 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 14:56:24,983 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-22 14:56:24,983 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-22 14:56:24,983 INFO L513 LassoAnalysis]: Proved termination. [2021-11-22 14:56:24,983 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = 1*ULTIMATE.start_main_~z~0#1 Supporting invariants [] [2021-11-22 14:56:25,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-22 14:56:25,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-22 14:56:25,022 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-22 14:56:25,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 14:56:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:56:25,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 14:56:25,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:56:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 14:56:25,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 14:56:25,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 14:56:25,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 14:56:25,114 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-11-22 14:56:25,137 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-11-22 14:56:25,195 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 16 states and 19 transitions. Complement of second has 5 states. [2021-11-22 14:56:25,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-22 14:56:25,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-22 14:56:25,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-11-22 14:56:25,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2021-11-22 14:56:25,217 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 1 letters. [2021-11-22 14:56:25,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:56:25,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 1 letters. [2021-11-22 14:56:25,218 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:56:25,218 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2021-11-22 14:56:25,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-22 14:56:25,220 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2021-11-22 14:56:25,232 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-22 14:56:25,235 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2021-11-22 14:56:25,236 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-22 14:56:25,236 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-22 14:56:25,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-22 14:56:25,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 14:56:25,237 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 14:56:25,237 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 14:56:25,237 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 14:56:25,238 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-22 14:56:25,238 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-22 14:56:25,238 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-22 14:56:25,238 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-22 14:56:25,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 02:56:25 BoogieIcfgContainer [2021-11-22 14:56:25,247 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-22 14:56:25,248 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 14:56:25,248 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 14:56:25,248 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 14:56:25,249 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:56:23" (3/4) ... [2021-11-22 14:56:25,253 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-22 14:56:25,253 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 14:56:25,254 INFO L158 Benchmark]: Toolchain (without parser) took 2384.92ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 77.5MB in the beginning and 117.8MB in the end (delta: -40.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:56:25,255 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 93.9MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:56:25,256 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.66ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 93.4MB in the end (delta: -16.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-22 14:56:25,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.58ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 92.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:56:25,257 INFO L158 Benchmark]: Boogie Preprocessor took 20.52ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 91.3MB in the end (delta: 964.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 14:56:25,258 INFO L158 Benchmark]: RCFGBuilder took 274.88ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 83.3MB in the end (delta: 8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-22 14:56:25,259 INFO L158 Benchmark]: BuchiAutomizer took 1697.00ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 83.3MB in the beginning and 118.8MB in the end (delta: -35.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:56:25,259 INFO L158 Benchmark]: Witness Printer took 5.28ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 117.8MB in the end (delta: 965.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 14:56:25,274 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 93.9MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.66ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 93.4MB in the end (delta: -16.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.58ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 92.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.52ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 91.3MB in the end (delta: 964.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 274.88ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 83.3MB in the end (delta: 8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1697.00ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 83.3MB in the beginning and 118.8MB in the end (delta: -35.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.28ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 117.8MB in the end (delta: 965.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function z and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. 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: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-22 14:56:25,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d286511-9c66-4b8c-ae50-2239d6a9da19/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE