./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC --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 932d0be5444dce6d8d9a378b61966d0cdf64a5cb ............................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:26:27,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:26:27,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:26:27,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:26:27,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:26:27,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:26:27,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:26:27,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:26:27,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:26:27,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:26:27,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:26:27,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:26:27,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:26:27,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:26:27,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:26:27,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:26:27,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:26:27,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:26:27,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:26:27,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:26:27,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:26:27,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:26:27,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:26:27,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:26:27,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:26:27,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:26:27,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:26:27,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:26:27,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:26:27,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:26:27,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:26:27,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:26:27,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:26:27,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:26:27,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:26:27,421 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:26:27,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:26:27,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:26:27,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:26:27,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:26:27,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:26:27,428 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-11 00:26:27,475 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:26:27,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:26:27,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:26:27,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:26:27,478 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:26:27,478 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:26:27,478 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:26:27,479 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:26:27,479 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:26:27,479 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:26:27,480 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:26:27,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:26:27,481 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:26:27,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:26:27,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:26:27,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:26:27,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:26:27,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:26:27,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:26:27,483 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:26:27,483 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:26:27,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:26:27,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:26:27,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:26:27,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:26:27,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:26:27,485 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:26:27,486 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:26:27,486 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_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 932d0be5444dce6d8d9a378b61966d0cdf64a5cb [2021-10-11 00:26:27,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:26:27,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:26:27,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:26:27,832 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:26:27,833 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:26:27,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.c [2021-10-11 00:26:27,940 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC/data/1e2c7fcd8/6990ec38c4e14ac3ae93bfd43eff216d/FLAG0d5b77ba9 [2021-10-11 00:26:28,397 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:26:28,397 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.c [2021-10-11 00:26:28,403 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC/data/1e2c7fcd8/6990ec38c4e14ac3ae93bfd43eff216d/FLAG0d5b77ba9 [2021-10-11 00:26:28,788 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC/data/1e2c7fcd8/6990ec38c4e14ac3ae93bfd43eff216d [2021-10-11 00:26:28,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:26:28,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:26:28,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:26:28,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:26:28,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:26:28,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:26:28" (1/1) ... [2021-10-11 00:26:28,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@137d044e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:28, skipping insertion in model container [2021-10-11 00:26:28,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:26:28" (1/1) ... [2021-10-11 00:26:28,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:26:28,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:26:29,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:26:29,017 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:26:29,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:26:29,045 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:26:29,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:29 WrapperNode [2021-10-11 00:26:29,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:26:29,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:26:29,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:26:29,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:26:29,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:29" (1/1) ... [2021-10-11 00:26:29,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:29" (1/1) ... [2021-10-11 00:26:29,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:26:29,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:26:29,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:26:29,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:26:29,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:29" (1/1) ... [2021-10-11 00:26:29,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:29" (1/1) ... [2021-10-11 00:26:29,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:29" (1/1) ... [2021-10-11 00:26:29,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:29" (1/1) ... [2021-10-11 00:26:29,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:29" (1/1) ... [2021-10-11 00:26:29,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:29" (1/1) ... [2021-10-11 00:26:29,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:29" (1/1) ... [2021-10-11 00:26:29,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:26:29,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:26:29,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:26:29,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:26:29,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:29" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:29,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:26:29,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:26:29,356 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:26:29,356 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-11 00:26:29,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:29 BoogieIcfgContainer [2021-10-11 00:26:29,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:26:29,360 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:26:29,360 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:26:29,368 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:26:29,369 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:26:29,370 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:26:28" (1/3) ... [2021-10-11 00:26:29,372 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@694ae8c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:26:29, skipping insertion in model container [2021-10-11 00:26:29,372 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:26:29,373 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:29" (2/3) ... [2021-10-11 00:26:29,374 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@694ae8c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:26:29, skipping insertion in model container [2021-10-11 00:26:29,374 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:26:29,374 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:29" (3/3) ... [2021-10-11 00:26:29,376 INFO L389 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random2d.c [2021-10-11 00:26:29,443 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:26:29,443 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:26:29,443 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:26:29,443 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:26:29,443 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:26:29,444 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:26:29,444 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:26:29,444 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:26:29,459 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2021-10-11 00:26:29,479 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-11 00:26:29,480 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:26:29,480 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:26:29,487 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-11 00:26:29,488 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-11 00:26:29,488 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:26:29,488 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2021-10-11 00:26:29,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-11 00:26:29,490 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:26:29,490 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:26:29,490 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-11 00:26:29,490 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-11 00:26:29,498 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~N~0, main_~x~0, main_~y~0, main_~i~0, main_~r~0;havoc main_~N~0;havoc main_~x~0;havoc main_~y~0;havoc main_~i~0;havoc main_~r~0;main_~N~0 := 10;main_~x~0 := 0;main_~y~0 := 0;main_~i~0 := 0; 3#L22-1true [2021-10-11 00:26:29,499 INFO L796 eck$LassoCheckResult]: Loop: 3#L22-1true assume !!(main_~i~0 < main_~N~0);main_~i~0 := 1 + main_~i~0;main_~r~0 := main_#t~nondet0;havoc main_#t~nondet0; 6#L22true assume !(main_~r~0 >= 0 && main_~r~0 <= 3); 3#L22-1true [2021-10-11 00:26:29,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:29,506 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-11 00:26:29,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:29,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901798919] [2021-10-11 00:26:29,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:29,607 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:29,613 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:29,630 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:26:29,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:29,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1307, now seen corresponding path program 1 times [2021-10-11 00:26:29,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:29,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624542917] [2021-10-11 00:26:29,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:29,647 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:29,654 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:29,656 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:26:29,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:29,658 INFO L82 PathProgramCache]: Analyzing trace with hash 31098, now seen corresponding path program 1 times [2021-10-11 00:26:29,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:29,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619820790] [2021-10-11 00:26:29,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:29,670 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:29,677 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:29,680 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:26:29,753 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:26:29,754 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:26:29,754 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:26:29,754 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:26:29,754 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:26:29,754 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:29,755 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:26:29,755 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:26:29,755 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-random2d.c_Iteration1_Loop [2021-10-11 00:26:29,755 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:26:29,755 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:26:29,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:29,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:29,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:29,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:29,927 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:26:29,928 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:29,943 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:26:29,943 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:26:29,975 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:26:29,976 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:30,029 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:26:30,029 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:30,044 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:26:30,044 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:30,077 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:26:30,077 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:30,097 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:26:30,097 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=-2, ULTIMATE.start_main_~r~0=-2} Honda state: {ULTIMATE.start_main_#t~nondet0=-2, ULTIMATE.start_main_~r~0=-2} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:30,126 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:26:30,126 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:30,182 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:26:30,183 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:26:30,353 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:26:30,357 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:26:30,357 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:26:30,357 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:26:30,357 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:26:30,357 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:26:30,357 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:30,357 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:26:30,358 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:26:30,358 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-random2d.c_Iteration1_Loop [2021-10-11 00:26:30,358 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:26:30,358 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:26:30,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:30,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:30,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:30,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:30,518 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:26:30,523 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:30,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:30,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:30,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:30,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:30,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:26:30,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:26:30,558 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:30,584 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:30,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:30,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:30,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:30,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:30,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:26:30,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:26:30,637 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:26:30,655 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:30,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:30,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:30,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:30,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:30,689 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-11 00:26:30,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:26:30,692 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:30,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:30,709 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:30,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:30,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:30,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:30,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:30,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:30,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:26:30,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:26:30,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:30,775 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:26:30,781 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-11 00:26:30,782 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3de7138-ae53-4536-97d8-1d20fd61e803/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:30,795 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-11 00:26:30,796 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-11 00:26:30,796 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:26:30,797 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~N~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~N~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:30,836 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-11 00:26:30,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:30,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:26:30,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:26:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:30,915 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:26:30,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:26:30,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:26:31,001 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 [2021-10-11 00:26:31,003 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2021-10-11 00:26:31,062 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 27 states and 40 transitions. Complement of second has 5 states. [2021-10-11 00:26:31,062 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 [2021-10-11 00:26:31,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-11 00:26:31,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2021-10-11 00:26:31,067 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-11 00:26:31,068 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:26:31,069 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-11 00:26:31,069 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:26:31,070 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 1 letters. Loop has 4 letters. [2021-10-11 00:26:31,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:26:31,071 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 40 transitions. [2021-10-11 00:26:31,079 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:26:31,082 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2021-10-11 00:26:31,084 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:26:31,084 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:26:31,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:26:31,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:26:31,086 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:26:31,086 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:26:31,086 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:26:31,086 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-11 00:26:31,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:26:31,087 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:26:31,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-11 00:26:31,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:26:31 BoogieIcfgContainer [2021-10-11 00:26:31,093 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:26:31,094 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:26:31,094 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:26:31,094 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:26:31,095 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:29" (3/4) ... [2021-10-11 00:26:31,099 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:26:31,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:26:31,105 INFO L168 Benchmark]: Toolchain (without parser) took 2305.19 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 51.7 MB in the beginning and 43.9 MB in the end (delta: 7.8 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:31,106 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 86.0 MB. Free memory was 58.1 MB in the beginning and 58.1 MB in the end (delta: 28.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:26:31,108 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.14 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 51.5 MB in the beginning and 82.3 MB in the end (delta: -30.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:31,109 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.08 ms. Allocated memory is still 104.9 MB. Free memory was 82.3 MB in the beginning and 80.7 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:26:31,110 INFO L168 Benchmark]: Boogie Preprocessor took 23.68 ms. Allocated memory is still 104.9 MB. Free memory was 80.7 MB in the beginning and 80.2 MB in the end (delta: 524.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:31,111 INFO L168 Benchmark]: RCFGBuilder took 250.54 ms. Allocated memory is still 104.9 MB. Free memory was 79.7 MB in the beginning and 70.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:31,117 INFO L168 Benchmark]: BuchiAutomizer took 1733.49 ms. Allocated memory is still 104.9 MB. Free memory was 70.2 MB in the beginning and 43.9 MB in the end (delta: 26.4 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:31,117 INFO L168 Benchmark]: Witness Printer took 5.62 ms. Allocated memory is still 104.9 MB. Free memory is still 43.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:26:31,121 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 86.0 MB. Free memory was 58.1 MB in the beginning and 58.1 MB in the end (delta: 28.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 247.14 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 51.5 MB in the beginning and 82.3 MB in the end (delta: -30.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.08 ms. Allocated memory is still 104.9 MB. Free memory was 82.3 MB in the beginning and 80.7 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.68 ms. Allocated memory is still 104.9 MB. Free memory was 80.7 MB in the beginning and 80.2 MB in the end (delta: 524.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 250.54 ms. Allocated memory is still 104.9 MB. Free memory was 79.7 MB in the beginning and 70.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1733.49 ms. Allocated memory is still 104.9 MB. Free memory was 70.2 MB in the beginning and 43.9 MB in the end (delta: 26.4 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. * Witness Printer took 5.62 ms. Allocated memory is still 104.9 MB. Free memory is still 43.9 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 * i + N 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 0.2s. 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: 14 SDtfs, 14 SDslu, 13 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax160 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq133 hnf93 smp100 dnf146 smp100 tf109 neg100 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 59ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 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! Received shutdown request...