./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489bf1a9-7838-4870-95c7-a1d8c522e881/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489bf1a9-7838-4870-95c7-a1d8c522e881/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489bf1a9-7838-4870-95c7-a1d8c522e881/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489bf1a9-7838-4870-95c7-a1d8c522e881/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/NO_00.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489bf1a9-7838-4870-95c7-a1d8c522e881/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489bf1a9-7838-4870-95c7-a1d8c522e881/bin/uautomizer-TMbwUNV5ro --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 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:16:38,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:16:38,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:16:38,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:16:38,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:16:38,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:16:38,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:16:38,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:16:38,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:16:38,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:16:38,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:16:38,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:16:38,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:16:38,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:16:38,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:16:38,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:16:38,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:16:38,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:16:38,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:16:38,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:16:38,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:16:38,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:16:38,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:16:38,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:16:38,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:16:38,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:16:38,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:16:38,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:16:38,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:16:38,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:16:38,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:16:38,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:16:38,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:16:38,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:16:38,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:16:38,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:16:38,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:16:38,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:16:38,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:16:38,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:16:38,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:16:38,532 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489bf1a9-7838-4870-95c7-a1d8c522e881/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-18 20:16:38,554 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:16:38,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:16:38,555 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:16:38,555 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:16:38,556 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:16:38,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:16:38,566 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:16:38,567 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:16:38,567 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:16:38,567 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:16:38,567 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:16:38,567 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:16:38,568 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:16:38,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:16:38,568 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:16:38,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:16:38,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:16:38,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:16:38,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:16:38,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:16:38,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:16:38,570 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:16:38,570 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:16:38,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:16:38,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:16:38,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:16:38,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:16:38,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:16:38,572 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:16:38,572 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_489bf1a9-7838-4870-95c7-a1d8c522e881/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489bf1a9-7838-4870-95c7-a1d8c522e881/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72f02add5514fb8bd18e6a164952105d850c7d07bc6ee6258e856f2160d1e335 [2022-11-18 20:16:38,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:16:38,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:16:38,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:16:38,890 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:16:38,891 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:16:38,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489bf1a9-7838-4870-95c7-a1d8c522e881/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/termination-restricted-15/NO_00.c [2022-11-18 20:16:38,959 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489bf1a9-7838-4870-95c7-a1d8c522e881/bin/uautomizer-TMbwUNV5ro/data/e1b3c2e34/e420d54d0bc0449c9f544ce7db558961/FLAGe4ec0314e [2022-11-18 20:16:39,389 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:16:39,389 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489bf1a9-7838-4870-95c7-a1d8c522e881/sv-benchmarks/c/termination-restricted-15/NO_00.c [2022-11-18 20:16:39,393 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489bf1a9-7838-4870-95c7-a1d8c522e881/bin/uautomizer-TMbwUNV5ro/data/e1b3c2e34/e420d54d0bc0449c9f544ce7db558961/FLAGe4ec0314e [2022-11-18 20:16:39,803 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489bf1a9-7838-4870-95c7-a1d8c522e881/bin/uautomizer-TMbwUNV5ro/data/e1b3c2e34/e420d54d0bc0449c9f544ce7db558961 [2022-11-18 20:16:39,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:16:39,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:16:39,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:16:39,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:16:39,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:16:39,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:16:39" (1/1) ... [2022-11-18 20:16:39,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39705591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:39, skipping insertion in model container [2022-11-18 20:16:39,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:16:39" (1/1) ... [2022-11-18 20:16:39,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:16:39,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:16:40,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:16:40,071 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:16:40,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:16:40,100 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:16:40,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:40 WrapperNode [2022-11-18 20:16:40,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:16:40,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:16:40,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:16:40,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:16:40,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:40" (1/1) ... [2022-11-18 20:16:40,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:40" (1/1) ... [2022-11-18 20:16:40,135 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 11 [2022-11-18 20:16:40,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:16:40,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:16:40,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:16:40,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:16:40,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:40" (1/1) ... [2022-11-18 20:16:40,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:40" (1/1) ... [2022-11-18 20:16:40,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:40" (1/1) ... [2022-11-18 20:16:40,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:40" (1/1) ... [2022-11-18 20:16:40,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:40" (1/1) ... [2022-11-18 20:16:40,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:40" (1/1) ... [2022-11-18 20:16:40,155 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:40" (1/1) ... [2022-11-18 20:16:40,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:40" (1/1) ... [2022-11-18 20:16:40,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:16:40,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:16:40,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:16:40,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:16:40,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:40" (1/1) ... [2022-11-18 20:16:40,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:16:40,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489bf1a9-7838-4870-95c7-a1d8c522e881/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:16:40,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489bf1a9-7838-4870-95c7-a1d8c522e881/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:16:40,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489bf1a9-7838-4870-95c7-a1d8c522e881/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:16:40,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:16:40,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:16:40,327 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:16:40,329 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:16:40,375 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:16:40,382 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:16:40,382 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:16:40,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:16:40 BoogieIcfgContainer [2022-11-18 20:16:40,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:16:40,385 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:16:40,385 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:16:40,390 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:16:40,391 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:16:40,391 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:16:39" (1/3) ... [2022-11-18 20:16:40,393 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@529bbe33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:16:40, skipping insertion in model container [2022-11-18 20:16:40,394 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:16:40,394 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:40" (2/3) ... [2022-11-18 20:16:40,399 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@529bbe33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:16:40, skipping insertion in model container [2022-11-18 20:16:40,399 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:16:40,399 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:16:40" (3/3) ... [2022-11-18 20:16:40,402 INFO L332 chiAutomizerObserver]: Analyzing ICFG NO_00.c [2022-11-18 20:16:40,456 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:16:40,456 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:16:40,457 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:16:40,457 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:16:40,457 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:16:40,457 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:16:40,457 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:16:40,457 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:16:40,462 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) [2022-11-18 20:16:40,480 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-18 20:16:40,480 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:16:40,480 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:16:40,486 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 20:16:40,486 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-18 20:16:40,486 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:16:40,487 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) [2022-11-18 20:16:40,488 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-18 20:16:40,488 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:16:40,488 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:16:40,488 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 20:16:40,488 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-18 20:16:40,496 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 5#L9-2true [2022-11-18 20:16:40,496 INFO L750 eck$LassoCheckResult]: Loop: 5#L9-2true assume !!(main_~i~0#1 < 100);main_~i~0#1 := main_~i~0#1; 5#L9-2true [2022-11-18 20:16:40,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:16:40,502 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-18 20:16:40,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:16:40,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393488071] [2022-11-18 20:16:40,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:16:40,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:16:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:16:40,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:16:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:16:40,604 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:16:40,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:16:40,607 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2022-11-18 20:16:40,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:16:40,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923220024] [2022-11-18 20:16:40,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:16:40,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:16:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:16:40,615 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:16:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:16:40,619 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:16:40,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:16:40,621 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-18 20:16:40,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:16:40,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265772956] [2022-11-18 20:16:40,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:16:40,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:16:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:16:40,632 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:16:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:16:40,640 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:16:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:16:40,736 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:16:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:16:40,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:16:40 BoogieIcfgContainer [2022-11-18 20:16:40,783 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:16:40,783 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:16:40,784 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:16:40,784 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:16:40,785 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:16:40" (3/4) ... [2022-11-18 20:16:40,787 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-18 20:16:40,854 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489bf1a9-7838-4870-95c7-a1d8c522e881/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:16:40,854 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:16:40,856 INFO L158 Benchmark]: Toolchain (without parser) took 1048.83ms. Allocated memory is still 113.2MB. Free memory was 70.4MB in the beginning and 60.9MB in the end (delta: 9.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2022-11-18 20:16:40,857 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 113.2MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:16:40,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.44ms. Allocated memory is still 113.2MB. Free memory was 70.2MB in the beginning and 89.0MB in the end (delta: -18.8MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-11-18 20:16:40,858 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.97ms. Allocated memory is still 113.2MB. Free memory was 89.0MB in the beginning and 87.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:16:40,859 INFO L158 Benchmark]: Boogie Preprocessor took 19.24ms. Allocated memory is still 113.2MB. Free memory was 87.7MB in the beginning and 86.9MB in the end (delta: 876.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:16:40,860 INFO L158 Benchmark]: RCFGBuilder took 226.92ms. Allocated memory is still 113.2MB. Free memory was 86.9MB in the beginning and 78.9MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:16:40,864 INFO L158 Benchmark]: BuchiAutomizer took 397.42ms. Allocated memory is still 113.2MB. Free memory was 78.5MB in the beginning and 62.1MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 20:16:40,865 INFO L158 Benchmark]: Witness Printer took 70.79ms. Allocated memory is still 113.2MB. Free memory was 62.1MB in the beginning and 60.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:16:40,869 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 113.2MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.44ms. Allocated memory is still 113.2MB. Free memory was 70.2MB in the beginning and 89.0MB in the end (delta: -18.8MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.97ms. Allocated memory is still 113.2MB. Free memory was 89.0MB in the beginning and 87.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.24ms. Allocated memory is still 113.2MB. Free memory was 87.7MB in the beginning and 86.9MB in the end (delta: 876.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 226.92ms. Allocated memory is still 113.2MB. Free memory was 86.9MB in the beginning and 78.9MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 397.42ms. Allocated memory is still 113.2MB. Free memory was 78.5MB in the beginning and 62.1MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 70.79ms. Allocated memory is still 113.2MB. Free memory was 62.1MB in the beginning and 60.9MB in the end (delta: 1.3MB). 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 Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.2s. 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: 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 InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 9]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L6] int i; [L7] i = 0 VAL [i=0] Loop: [L9] COND TRUE i < 100 [L10] i = i+0 End of lasso representation. - 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 VAL [i=0] Loop: [L9] COND TRUE i < 100 [L10] i = i+0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-18 20:16:40,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_489bf1a9-7838-4870-95c7-a1d8c522e881/bin/uautomizer-TMbwUNV5ro/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)