./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/NO_00.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912792f-0ec3-425a-812a-71c1091eabc7/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912792f-0ec3-425a-812a-71c1091eabc7/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912792f-0ec3-425a-812a-71c1091eabc7/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912792f-0ec3-425a-812a-71c1091eabc7/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/NO_00.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912792f-0ec3-425a-812a-71c1091eabc7/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912792f-0ec3-425a-812a-71c1091eabc7/bin/uautomizer-UnR33cPsHg --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 72f02add5514fb8bd18e6a164952105d850c7d07bc6ee6258e856f2160d1e335 ............................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:04:53,372 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:04:53,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:04:53,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:04:53,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:04:53,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:04:53,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:04:53,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:04:53,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:04:53,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:04:53,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:04:53,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:04:53,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:04:53,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:04:53,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:04:53,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:04:53,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:04:53,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:04:53,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:04:53,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:04:53,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:04:53,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:04:53,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:04:53,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:04:53,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:04:53,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:04:53,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:04:53,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:04:53,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:04:53,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:04:53,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:04:53,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:04:53,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:04:53,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:04:53,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:04:53,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:04:53,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:04:53,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:04:53,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:04:53,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:04:53,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:04:53,523 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912792f-0ec3-425a-812a-71c1091eabc7/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 09:04:53,550 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:04:53,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:04:53,551 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:04:53,551 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:04:53,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:04:53,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:04:53,553 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:04:53,553 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:04:53,553 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:04:53,554 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:04:53,554 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:04:53,554 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:04:53,554 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:04:53,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:04:53,555 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:04:53,555 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:04:53,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:04:53,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:04:53,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:04:53,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:04:53,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:04:53,556 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:04:53,557 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:04:53,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:04:53,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:04:53,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:04:53,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:04:53,558 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:04:53,558 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:04:53,559 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:04:53,559 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_2912792f-0ec3-425a-812a-71c1091eabc7/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912792f-0ec3-425a-812a-71c1091eabc7/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72f02add5514fb8bd18e6a164952105d850c7d07bc6ee6258e856f2160d1e335 [2021-10-28 09:04:53,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:04:53,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:04:53,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:04:53,861 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:04:53,862 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:04:53,863 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912792f-0ec3-425a-812a-71c1091eabc7/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/termination-restricted-15/NO_00.c [2021-10-28 09:04:53,942 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912792f-0ec3-425a-812a-71c1091eabc7/bin/uautomizer-UnR33cPsHg/data/c1673f861/453cdfbe7a744daeac0cfb518e6cb9a8/FLAG7d94e429a [2021-10-28 09:04:54,414 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:04:54,415 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912792f-0ec3-425a-812a-71c1091eabc7/sv-benchmarks/c/termination-restricted-15/NO_00.c [2021-10-28 09:04:54,426 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912792f-0ec3-425a-812a-71c1091eabc7/bin/uautomizer-UnR33cPsHg/data/c1673f861/453cdfbe7a744daeac0cfb518e6cb9a8/FLAG7d94e429a [2021-10-28 09:04:54,769 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912792f-0ec3-425a-812a-71c1091eabc7/bin/uautomizer-UnR33cPsHg/data/c1673f861/453cdfbe7a744daeac0cfb518e6cb9a8 [2021-10-28 09:04:54,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:04:54,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:04:54,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:04:54,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:04:54,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:04:54,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:04:54" (1/1) ... [2021-10-28 09:04:54,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544d25bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:54, skipping insertion in model container [2021-10-28 09:04:54,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:04:54" (1/1) ... [2021-10-28 09:04:54,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:04:54,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:04:54,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:04:54,974 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:04:55,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:04:55,021 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:04:55,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:55 WrapperNode [2021-10-28 09:04:55,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:04:55,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:04:55,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:04:55,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:04:55,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:55" (1/1) ... [2021-10-28 09:04:55,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:55" (1/1) ... [2021-10-28 09:04:55,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:04:55,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:04:55,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:04:55,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:04:55,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:55" (1/1) ... [2021-10-28 09:04:55,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:55" (1/1) ... [2021-10-28 09:04:55,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:55" (1/1) ... [2021-10-28 09:04:55,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:55" (1/1) ... [2021-10-28 09:04:55,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:55" (1/1) ... [2021-10-28 09:04:55,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:55" (1/1) ... [2021-10-28 09:04:55,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:55" (1/1) ... [2021-10-28 09:04:55,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:04:55,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:04:55,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:04:55,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:04:55,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:55" (1/1) ... [2021-10-28 09:04:55,113 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:04:55,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912792f-0ec3-425a-812a-71c1091eabc7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:04:55,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912792f-0ec3-425a-812a-71c1091eabc7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:04:55,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912792f-0ec3-425a-812a-71c1091eabc7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:04:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:04:55,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:04:55,336 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:04:55,336 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 09:04:55,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:04:55 BoogieIcfgContainer [2021-10-28 09:04:55,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:04:55,339 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:04:55,340 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:04:55,342 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:04:55,343 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:04:55,343 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:04:54" (1/3) ... [2021-10-28 09:04:55,344 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ce7aff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:04:55, skipping insertion in model container [2021-10-28 09:04:55,345 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:04:55,345 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:55" (2/3) ... [2021-10-28 09:04:55,346 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ce7aff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:04:55, skipping insertion in model container [2021-10-28 09:04:55,346 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:04:55,346 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:04:55" (3/3) ... [2021-10-28 09:04:55,348 INFO L389 chiAutomizerObserver]: Analyzing ICFG NO_00.c [2021-10-28 09:04:55,397 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:04:55,397 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:04:55,398 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:04:55,398 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:04:55,398 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:04:55,398 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:04:55,399 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:04:55,399 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:04:55,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:04:55,439 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 09:04:55,439 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:04:55,439 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:04:55,448 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 09:04:55,448 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 09:04:55,448 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:04:55,448 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:04:55,449 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 09:04:55,449 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:04:55,450 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:04:55,450 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 09:04:55,450 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 09:04:55,458 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~i~0;havoc main_~i~0;main_~i~0 := 0; 6#L9-2true [2021-10-28 09:04:55,459 INFO L793 eck$LassoCheckResult]: Loop: 6#L9-2true assume !!(main_~i~0 < 100);main_~i~0 := main_~i~0; 6#L9-2true [2021-10-28 09:04:55,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:04:55,474 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-28 09:04:55,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:04:55,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259861650] [2021-10-28 09:04:55,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:04:55,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:04:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:04:55,597 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:04:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:04:55,638 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:04:55,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:04:55,645 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2021-10-28 09:04:55,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:04:55,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183100889] [2021-10-28 09:04:55,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:04:55,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:04:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:04:55,661 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:04:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:04:55,680 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:04:55,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:04:55,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-28 09:04:55,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:04:55,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613927714] [2021-10-28 09:04:55,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:04:55,685 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:04:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:04:55,703 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:04:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:04:55,712 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:04:55,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:04:55 BoogieIcfgContainer [2021-10-28 09:04:55,826 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:04:55,836 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:04:55,836 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:04:55,837 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:04:55,837 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:04:55" (3/4) ... [2021-10-28 09:04:55,841 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 09:04:55,901 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912792f-0ec3-425a-812a-71c1091eabc7/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:04:55,903 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:04:55,918 INFO L168 Benchmark]: Toolchain (without parser) took 1129.90 ms. Allocated memory was 90.2 MB in the beginning and 121.6 MB in the end (delta: 31.5 MB). Free memory was 54.7 MB in the beginning and 73.1 MB in the end (delta: -18.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:04:55,928 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 90.2 MB. Free memory is still 70.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:04:55,929 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.11 ms. Allocated memory was 90.2 MB in the beginning and 121.6 MB in the end (delta: 31.5 MB). Free memory was 54.5 MB in the beginning and 99.3 MB in the end (delta: -44.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:04:55,930 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.17 ms. Allocated memory is still 121.6 MB. Free memory was 99.3 MB in the beginning and 98.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:04:55,931 INFO L168 Benchmark]: Boogie Preprocessor took 25.23 ms. Allocated memory is still 121.6 MB. Free memory was 98.3 MB in the beginning and 97.3 MB in the end (delta: 975.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:04:55,932 INFO L168 Benchmark]: RCFGBuilder took 239.27 ms. Allocated memory is still 121.6 MB. Free memory was 97.3 MB in the beginning and 89.9 MB in the end (delta: 7.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:04:55,933 INFO L168 Benchmark]: BuchiAutomizer took 495.89 ms. Allocated memory is still 121.6 MB. Free memory was 89.9 MB in the beginning and 74.8 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:04:55,934 INFO L168 Benchmark]: Witness Printer took 67.43 ms. Allocated memory is still 121.6 MB. Free memory was 74.8 MB in the beginning and 73.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:04:55,941 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 90.2 MB. Free memory is still 70.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 247.11 ms. Allocated memory was 90.2 MB in the beginning and 121.6 MB in the end (delta: 31.5 MB). Free memory was 54.5 MB in the beginning and 99.3 MB in the end (delta: -44.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.17 ms. Allocated memory is still 121.6 MB. Free memory was 99.3 MB in the beginning and 98.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.23 ms. Allocated memory is still 121.6 MB. Free memory was 98.3 MB in the beginning and 97.3 MB in the end (delta: 975.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 239.27 ms. Allocated memory is still 121.6 MB. Free memory was 97.3 MB in the beginning and 89.9 MB in the end (delta: 7.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 495.89 ms. Allocated memory is still 121.6 MB. Free memory was 89.9 MB in the beginning and 74.8 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Witness Printer took 67.43 ms. Allocated memory is still 121.6 MB. Free memory was 74.8 MB in the beginning and 73.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 9]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {\result=0, i=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 9]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = 0 Loop: [L9] COND TRUE i < 100 [L10] i = i+0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:04:55,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2912792f-0ec3-425a-812a-71c1091eabc7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...