./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector-regression/signextension2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 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_8389a954-1f03-494d-972f-3c4460068b67/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8389a954-1f03-494d-972f-3c4460068b67/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8389a954-1f03-494d-972f-3c4460068b67/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8389a954-1f03-494d-972f-3c4460068b67/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector-regression/signextension2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8389a954-1f03-494d-972f-3c4460068b67/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8389a954-1f03-494d-972f-3c4460068b67/bin/uautomizer-vX5HgA9Q3a --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 32bit --witnessprinter.graph.data.programhash e6ce818269f5ecc4c2ff6f7b6db655bd42dc60e24d4185a927753f7789580a57 --- 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-b5237d8 [2022-11-21 13:55:37,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 13:55:37,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 13:55:37,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 13:55:37,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 13:55:37,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 13:55:37,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 13:55:37,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 13:55:37,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 13:55:37,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 13:55:37,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 13:55:37,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 13:55:37,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 13:55:37,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 13:55:37,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 13:55:37,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 13:55:37,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 13:55:37,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 13:55:37,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 13:55:37,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 13:55:37,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 13:55:37,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 13:55:37,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 13:55:37,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 13:55:37,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 13:55:37,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 13:55:37,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 13:55:37,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 13:55:37,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 13:55:37,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 13:55:37,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 13:55:37,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 13:55:37,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 13:55:37,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 13:55:37,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 13:55:37,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 13:55:37,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 13:55:37,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 13:55:37,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 13:55:37,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 13:55:37,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 13:55:37,291 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8389a954-1f03-494d-972f-3c4460068b67/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-21 13:55:37,330 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 13:55:37,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 13:55:37,331 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 13:55:37,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 13:55:37,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 13:55:37,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 13:55:37,334 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 13:55:37,334 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 13:55:37,334 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 13:55:37,334 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 13:55:37,335 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 13:55:37,336 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 13:55:37,336 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 13:55:37,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 13:55:37,336 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 13:55:37,337 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 13:55:37,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 13:55:37,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 13:55:37,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 13:55:37,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 13:55:37,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 13:55:37,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 13:55:37,338 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 13:55:37,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 13:55:37,339 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 13:55:37,339 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 13:55:37,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 13:55:37,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 13:55:37,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 13:55:37,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 13:55:37,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 13:55:37,342 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 13:55:37,343 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_8389a954-1f03-494d-972f-3c4460068b67/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8389a954-1f03-494d-972f-3c4460068b67/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6ce818269f5ecc4c2ff6f7b6db655bd42dc60e24d4185a927753f7789580a57 [2022-11-21 13:55:37,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 13:55:37,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 13:55:37,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 13:55:37,694 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 13:55:37,694 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 13:55:37,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8389a954-1f03-494d-972f-3c4460068b67/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/bitvector-regression/signextension2-1.c [2022-11-21 13:55:40,782 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 13:55:41,006 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 13:55:41,007 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8389a954-1f03-494d-972f-3c4460068b67/sv-benchmarks/c/bitvector-regression/signextension2-1.c [2022-11-21 13:55:41,013 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8389a954-1f03-494d-972f-3c4460068b67/bin/uautomizer-vX5HgA9Q3a/data/10c41d3aa/3c6e7c55207745298ce63ee94b422f93/FLAGff212b787 [2022-11-21 13:55:41,030 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8389a954-1f03-494d-972f-3c4460068b67/bin/uautomizer-vX5HgA9Q3a/data/10c41d3aa/3c6e7c55207745298ce63ee94b422f93 [2022-11-21 13:55:41,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 13:55:41,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 13:55:41,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 13:55:41,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 13:55:41,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 13:55:41,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:55:41" (1/1) ... [2022-11-21 13:55:41,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f102650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:41, skipping insertion in model container [2022-11-21 13:55:41,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:55:41" (1/1) ... [2022-11-21 13:55:41,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 13:55:41,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 13:55:41,244 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8389a954-1f03-494d-972f-3c4460068b67/sv-benchmarks/c/bitvector-regression/signextension2-1.c[589,602] [2022-11-21 13:55:41,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:55:41,260 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 13:55:41,273 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8389a954-1f03-494d-972f-3c4460068b67/sv-benchmarks/c/bitvector-regression/signextension2-1.c[589,602] [2022-11-21 13:55:41,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:55:41,288 INFO L208 MainTranslator]: Completed translation [2022-11-21 13:55:41,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:41 WrapperNode [2022-11-21 13:55:41,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 13:55:41,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 13:55:41,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 13:55:41,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 13:55:41,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:41" (1/1) ... [2022-11-21 13:55:41,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:41" (1/1) ... [2022-11-21 13:55:41,325 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2022-11-21 13:55:41,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 13:55:41,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 13:55:41,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 13:55:41,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 13:55:41,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:41" (1/1) ... [2022-11-21 13:55:41,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:41" (1/1) ... [2022-11-21 13:55:41,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:41" (1/1) ... [2022-11-21 13:55:41,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:41" (1/1) ... [2022-11-21 13:55:41,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:41" (1/1) ... [2022-11-21 13:55:41,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:41" (1/1) ... [2022-11-21 13:55:41,344 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:41" (1/1) ... [2022-11-21 13:55:41,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:41" (1/1) ... [2022-11-21 13:55:41,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 13:55:41,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 13:55:41,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 13:55:41,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 13:55:41,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:41" (1/1) ... [2022-11-21 13:55:41,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 13:55:41,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8389a954-1f03-494d-972f-3c4460068b67/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:55:41,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8389a954-1f03-494d-972f-3c4460068b67/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 13:55:41,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8389a954-1f03-494d-972f-3c4460068b67/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 13:55:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 13:55:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 13:55:41,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 13:55:41,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 13:55:41,523 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 13:55:41,525 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 13:55:41,675 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 13:55:41,683 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 13:55:41,685 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 13:55:41,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:55:41 BoogieIcfgContainer [2022-11-21 13:55:41,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 13:55:41,691 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 13:55:41,691 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 13:55:41,695 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 13:55:41,696 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 13:55:41,697 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 01:55:41" (1/3) ... [2022-11-21 13:55:41,698 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32e61e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 01:55:41, skipping insertion in model container [2022-11-21 13:55:41,698 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 13:55:41,699 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:55:41" (2/3) ... [2022-11-21 13:55:41,701 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32e61e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 01:55:41, skipping insertion in model container [2022-11-21 13:55:41,701 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 13:55:41,702 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:55:41" (3/3) ... [2022-11-21 13:55:41,706 INFO L332 chiAutomizerObserver]: Analyzing ICFG signextension2-1.c [2022-11-21 13:55:41,806 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 13:55:41,806 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 13:55:41,807 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 13:55:41,807 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 13:55:41,807 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 13:55:41,807 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 13:55:41,807 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 13:55:41,808 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 13:55:41,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 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) [2022-11-21 13:55:41,832 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 13:55:41,832 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-21 13:55:41,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 01:55:41 BoogieIcfgContainer [2022-11-21 13:55:41,838 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 13:55:41,840 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 13:55:41,840 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 13:55:41,840 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 13:55:41,841 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:55:41" (3/4) ... [2022-11-21 13:55:41,845 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 13:55:41,845 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 13:55:41,847 INFO L158 Benchmark]: Toolchain (without parser) took 811.64ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 62.2MB in the beginning and 113.2MB in the end (delta: -51.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 13:55:41,848 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 123.7MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 13:55:41,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.07ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 62.1MB in the beginning and 131.0MB in the end (delta: -68.9MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2022-11-21 13:55:41,851 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.91ms. Allocated memory is still 163.6MB. Free memory was 131.0MB in the beginning and 128.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 13:55:41,852 INFO L158 Benchmark]: Boogie Preprocessor took 19.26ms. Allocated memory is still 163.6MB. Free memory was 128.9MB in the beginning and 127.9MB in the end (delta: 913.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 13:55:41,853 INFO L158 Benchmark]: RCFGBuilder took 342.15ms. Allocated memory is still 163.6MB. Free memory was 127.9MB in the beginning and 118.4MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 13:55:41,854 INFO L158 Benchmark]: BuchiAutomizer took 147.56ms. Allocated memory is still 163.6MB. Free memory was 118.4MB in the beginning and 113.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 13:55:41,855 INFO L158 Benchmark]: Witness Printer took 5.42ms. Allocated memory is still 163.6MB. Free memory is still 113.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 13:55:41,865 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 123.7MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.07ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 62.1MB in the beginning and 131.0MB in the end (delta: -68.9MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.91ms. Allocated memory is still 163.6MB. Free memory was 131.0MB in the beginning and 128.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.26ms. Allocated memory is still 163.6MB. Free memory was 128.9MB in the beginning and 127.9MB in the end (delta: 913.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 342.15ms. Allocated memory is still 163.6MB. Free memory was 127.9MB in the beginning and 118.4MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 147.56ms. Allocated memory is still 163.6MB. Free memory was 118.4MB in the beginning and 113.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 5.42ms. Allocated memory is still 163.6MB. Free memory is still 113.2MB. 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. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. 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: nont0 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: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-21 13:55:41,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8389a954-1f03-494d-972f-3c4460068b67/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE