./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/not-01.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a 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_8566974c-4816-47a9-90cb-5ba5f4c9b8e8/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8566974c-4816-47a9-90cb-5ba5f4c9b8e8/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8566974c-4816-47a9-90cb-5ba5f4c9b8e8/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8566974c-4816-47a9-90cb-5ba5f4c9b8e8/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/not-01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8566974c-4816-47a9-90cb-5ba5f4c9b8e8/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8566974c-4816-47a9-90cb-5ba5f4c9b8e8/bin/uautomizer-Dbtcem3rbc --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 3dfbe8f5341b447680f0727714aef9849c6c8cbf32af0f88458cc80db5d02e27 --- 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-5e519f3 [2022-11-02 20:25:10,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:25:10,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:25:10,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:25:10,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:25:10,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:25:10,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:25:10,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:25:10,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:25:10,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:25:10,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:25:10,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:25:10,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:25:10,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:25:10,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:25:10,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:25:10,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:25:10,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:25:10,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:25:10,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:25:10,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:25:10,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:25:10,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:25:10,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:25:10,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:25:10,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:25:10,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:25:10,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:25:10,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:25:10,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:25:10,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:25:10,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:25:10,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:25:10,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:25:10,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:25:10,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:25:10,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:25:10,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:25:10,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:25:10,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:25:10,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:25:10,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8566974c-4816-47a9-90cb-5ba5f4c9b8e8/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:25:10,361 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:25:10,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:25:10,362 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:25:10,362 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:25:10,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:25:10,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:25:10,364 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:25:10,364 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:25:10,365 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:25:10,365 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:25:10,366 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:25:10,366 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:25:10,366 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:25:10,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:25:10,367 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:25:10,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:25:10,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:25:10,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:25:10,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:25:10,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:25:10,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:25:10,368 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:25:10,368 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:25:10,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:25:10,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:25:10,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:25:10,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:25:10,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:25:10,371 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:25:10,371 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_8566974c-4816-47a9-90cb-5ba5f4c9b8e8/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8566974c-4816-47a9-90cb-5ba5f4c9b8e8/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3dfbe8f5341b447680f0727714aef9849c6c8cbf32af0f88458cc80db5d02e27 [2022-11-02 20:25:10,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:25:10,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:25:10,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:25:10,708 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:25:10,712 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:25:10,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8566974c-4816-47a9-90cb-5ba5f4c9b8e8/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-bwb/not-01.c [2022-11-02 20:25:10,772 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8566974c-4816-47a9-90cb-5ba5f4c9b8e8/bin/uautomizer-Dbtcem3rbc/data/6ee214c4f/2d9cf6a1ded943eaa08cb51b9d2c13eb/FLAG3f8638243 [2022-11-02 20:25:11,255 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:25:11,256 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8566974c-4816-47a9-90cb-5ba5f4c9b8e8/sv-benchmarks/c/termination-bwb/not-01.c [2022-11-02 20:25:11,262 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8566974c-4816-47a9-90cb-5ba5f4c9b8e8/bin/uautomizer-Dbtcem3rbc/data/6ee214c4f/2d9cf6a1ded943eaa08cb51b9d2c13eb/FLAG3f8638243 [2022-11-02 20:25:11,633 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8566974c-4816-47a9-90cb-5ba5f4c9b8e8/bin/uautomizer-Dbtcem3rbc/data/6ee214c4f/2d9cf6a1ded943eaa08cb51b9d2c13eb [2022-11-02 20:25:11,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:25:11,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:25:11,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:25:11,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:25:11,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:25:11,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:25:11" (1/1) ... [2022-11-02 20:25:11,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac3c549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:11, skipping insertion in model container [2022-11-02 20:25:11,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:25:11" (1/1) ... [2022-11-02 20:25:11,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:25:11,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:25:11,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:25:11,846 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:25:11,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:25:11,873 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:25:11,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:11 WrapperNode [2022-11-02 20:25:11,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:25:11,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:25:11,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:25:11,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:25:11,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:11" (1/1) ... [2022-11-02 20:25:11,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:11" (1/1) ... [2022-11-02 20:25:11,906 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2022-11-02 20:25:11,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:25:11,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:25:11,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:25:11,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:25:11,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:11" (1/1) ... [2022-11-02 20:25:11,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:11" (1/1) ... [2022-11-02 20:25:11,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:11" (1/1) ... [2022-11-02 20:25:11,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:11" (1/1) ... [2022-11-02 20:25:11,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:11" (1/1) ... [2022-11-02 20:25:11,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:11" (1/1) ... [2022-11-02 20:25:11,926 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:11" (1/1) ... [2022-11-02 20:25:11,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:11" (1/1) ... [2022-11-02 20:25:11,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:25:11,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:25:11,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:25:11,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:25:11,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:11" (1/1) ... [2022-11-02 20:25:11,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:25:11,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8566974c-4816-47a9-90cb-5ba5f4c9b8e8/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:25:11,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8566974c-4816-47a9-90cb-5ba5f4c9b8e8/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:25:12,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8566974c-4816-47a9-90cb-5ba5f4c9b8e8/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:25:12,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:25:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:25:12,081 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:25:12,084 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:25:12,175 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:25:12,184 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:25:12,184 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:25:12,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:25:12 BoogieIcfgContainer [2022-11-02 20:25:12,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:25:12,188 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:25:12,188 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:25:12,193 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:25:12,194 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:25:12,194 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:25:11" (1/3) ... [2022-11-02 20:25:12,198 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f7ba87a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:25:12, skipping insertion in model container [2022-11-02 20:25:12,198 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:25:12,199 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:11" (2/3) ... [2022-11-02 20:25:12,199 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f7ba87a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:25:12, skipping insertion in model container [2022-11-02 20:25:12,199 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:25:12,200 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:25:12" (3/3) ... [2022-11-02 20:25:12,201 INFO L332 chiAutomizerObserver]: Analyzing ICFG not-01.c [2022-11-02 20:25:12,269 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:25:12,269 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:25:12,269 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:25:12,269 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:25:12,270 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:25:12,270 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:25:12,270 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:25:12,270 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:25:12,276 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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) [2022-11-02 20:25:12,299 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 20:25:12,300 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:25:12,300 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:25:12,305 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:25:12,305 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:25:12,305 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:25:12,306 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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) [2022-11-02 20:25:12,307 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 20:25:12,307 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:25:12,307 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:25:12,308 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:25:12,308 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:25:12,315 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 5#L18-2true [2022-11-02 20:25:12,316 INFO L750 eck$LassoCheckResult]: Loop: 5#L18-2true assume !!(main_~x~0#1 > 0);main_~a~0#1 := ~bitwiseComplement(main_~a~0#1); 3#L18true assume !(main_~a~0#1 > 0);main_~x~0#1 := main_~x~0#1 + main_~a~0#1; 5#L18-2true [2022-11-02 20:25:12,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:25:12,322 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-02 20:25:12,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:25:12,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238543504] [2022-11-02 20:25:12,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:25:12,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:25:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:25:12,416 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:25:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:25:12,451 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:25:12,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:25:12,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2022-11-02 20:25:12,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:25:12,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99826868] [2022-11-02 20:25:12,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:25:12,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:25:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:25:12,486 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:25:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:25:12,497 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:25:12,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:25:12,508 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2022-11-02 20:25:12,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:25:12,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405816972] [2022-11-02 20:25:12,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:25:12,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:25:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:25:12,516 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:25:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:25:12,528 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:25:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:25:12,629 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:25:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:25:12,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:25:12 BoogieIcfgContainer [2022-11-02 20:25:12,640 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:25:12,640 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:25:12,641 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:25:12,641 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:25:12,641 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:25:12" (3/4) ... [2022-11-02 20:25:12,644 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:25:12,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:25:12,654 INFO L158 Benchmark]: Toolchain (without parser) took 1017.22ms. Allocated memory is still 121.6MB. Free memory was 83.0MB in the beginning and 70.2MB in the end (delta: 12.8MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2022-11-02 20:25:12,655 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:25:12,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.24ms. Allocated memory is still 121.6MB. Free memory was 82.7MB in the beginning and 97.5MB in the end (delta: -14.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:25:12,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.84ms. Allocated memory is still 121.6MB. Free memory was 97.5MB in the beginning and 96.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:25:12,657 INFO L158 Benchmark]: Boogie Preprocessor took 21.16ms. Allocated memory is still 121.6MB. Free memory was 96.0MB in the beginning and 95.4MB in the end (delta: 652.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:25:12,658 INFO L158 Benchmark]: RCFGBuilder took 257.08ms. Allocated memory is still 121.6MB. Free memory was 94.9MB in the beginning and 87.0MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:25:12,672 INFO L158 Benchmark]: BuchiAutomizer took 452.12ms. Allocated memory is still 121.6MB. Free memory was 87.0MB in the beginning and 70.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-02 20:25:12,672 INFO L158 Benchmark]: Witness Printer took 12.45ms. Allocated memory is still 121.6MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:25:12,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.24ms. Allocated memory is still 121.6MB. Free memory was 82.7MB in the beginning and 97.5MB in the end (delta: -14.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.84ms. Allocated memory is still 121.6MB. Free memory was 97.5MB in the beginning and 96.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.16ms. Allocated memory is still 121.6MB. Free memory was 96.0MB in the beginning and 95.4MB in the end (delta: 652.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 257.08ms. Allocated memory is still 121.6MB. Free memory was 94.9MB in the beginning and 87.0MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 452.12ms. Allocated memory is still 121.6MB. Free memory was 87.0MB in the beginning and 70.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 12.45ms. Allocated memory is still 121.6MB. Free memory is still 70.2MB. 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 module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.3s 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: 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: Unable to decide termination Buchi Automizer cannot decide termination for the following lasso because it contains the following overapproximations. Overapproximations C: ~a [17] (Reason bitwiseComplement) Lasso Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" Loop: "assume !!(main_~x~0#1 > 0);main_~a~0#1 := ~bitwiseComplement(main_~a~0#1);" "assume !(main_~a~0#1 > 0);main_~x~0#1 := main_~x~0#1 + main_~a~0#1;" RESULT: Ultimate could not prove your program: unable to determine termination [2022-11-02 20:25:12,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8566974c-4816-47a9-90cb-5ba5f4c9b8e8/bin/uautomizer-Dbtcem3rbc/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 Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8566974c-4816-47a9-90cb-5ba5f4c9b8e8/bin/uautomizer-Dbtcem3rbc/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN