./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test13.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07817bc1-2643-4352-b722-6f99cb99ccc9/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07817bc1-2643-4352-b722-6f99cb99ccc9/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07817bc1-2643-4352-b722-6f99cb99ccc9/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07817bc1-2643-4352-b722-6f99cb99ccc9/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07817bc1-2643-4352-b722-6f99cb99ccc9/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07817bc1-2643-4352-b722-6f99cb99ccc9/bin/uautomizer-GMMbpWq8iD --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 8a6c62e7b3467ff27106f86d4988b67e846af8cff40745a4fd8af7da60b8d6f3 ....................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:47:46,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:47:46,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:47:46,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:47:46,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:47:46,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:47:46,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:47:46,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:47:46,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:47:46,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:47:46,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:47:46,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:47:46,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:47:46,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:47:46,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:47:46,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:47:46,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:47:46,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:47:46,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:47:46,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:47:46,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:47:46,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:47:46,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:47:46,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:47:46,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:47:46,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:47:46,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:47:46,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:47:46,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:47:46,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:47:46,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:47:46,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:47:46,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:47:46,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:47:46,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:47:46,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:47:46,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:47:46,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:47:46,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:47:46,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:47:46,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:47:46,245 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07817bc1-2643-4352-b722-6f99cb99ccc9/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:47:46,270 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:47:46,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:47:46,271 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:47:46,271 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:47:46,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:47:46,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:47:46,273 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:47:46,274 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:47:46,274 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:47:46,275 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:47:46,275 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:47:46,276 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:47:46,276 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:47:46,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:47:46,277 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:47:46,277 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:47:46,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:47:46,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:47:46,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:47:46,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:47:46,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:47:46,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:47:46,280 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:47:46,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:47:46,283 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:47:46,283 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:47:46,284 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:47:46,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:47:46,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:47:46,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:47:46,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:47:46,288 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:47:46,289 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:47:46,290 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_07817bc1-2643-4352-b722-6f99cb99ccc9/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07817bc1-2643-4352-b722-6f99cb99ccc9/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a6c62e7b3467ff27106f86d4988b67e846af8cff40745a4fd8af7da60b8d6f3 [2021-10-28 23:47:46,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:47:46,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:47:46,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:47:46,585 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:47:46,586 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:47:46,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07817bc1-2643-4352-b722-6f99cb99ccc9/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-regression/test13.c [2021-10-28 23:47:46,677 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07817bc1-2643-4352-b722-6f99cb99ccc9/bin/uautomizer-GMMbpWq8iD/data/710890b88/09d5edbe7d5b402db95c0d76669f332b/FLAGa77b4cd4d [2021-10-28 23:47:47,145 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:47:47,145 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07817bc1-2643-4352-b722-6f99cb99ccc9/sv-benchmarks/c/ldv-regression/test13.c [2021-10-28 23:47:47,151 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07817bc1-2643-4352-b722-6f99cb99ccc9/bin/uautomizer-GMMbpWq8iD/data/710890b88/09d5edbe7d5b402db95c0d76669f332b/FLAGa77b4cd4d [2021-10-28 23:47:47,538 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07817bc1-2643-4352-b722-6f99cb99ccc9/bin/uautomizer-GMMbpWq8iD/data/710890b88/09d5edbe7d5b402db95c0d76669f332b [2021-10-28 23:47:47,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:47:47,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:47:47,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:47:47,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:47:47,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:47:47,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:47:47" (1/1) ... [2021-10-28 23:47:47,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e310113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:47, skipping insertion in model container [2021-10-28 23:47:47,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:47:47" (1/1) ... [2021-10-28 23:47:47,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:47:47,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:47:47,752 WARN L228 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_07817bc1-2643-4352-b722-6f99cb99ccc9/sv-benchmarks/c/ldv-regression/test13.c[377,390] [2021-10-28 23:47:47,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:47:47,766 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:47:47,779 WARN L228 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_07817bc1-2643-4352-b722-6f99cb99ccc9/sv-benchmarks/c/ldv-regression/test13.c[377,390] [2021-10-28 23:47:47,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:47:47,796 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:47:47,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:47 WrapperNode [2021-10-28 23:47:47,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:47:47,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:47:47,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:47:47,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:47:47,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:47" (1/1) ... [2021-10-28 23:47:47,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:47" (1/1) ... [2021-10-28 23:47:47,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:47:47,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:47:47,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:47:47,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:47:47,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:47" (1/1) ... [2021-10-28 23:47:47,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:47" (1/1) ... [2021-10-28 23:47:47,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:47" (1/1) ... [2021-10-28 23:47:47,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:47" (1/1) ... [2021-10-28 23:47:47,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:47" (1/1) ... [2021-10-28 23:47:47,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:47" (1/1) ... [2021-10-28 23:47:47,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:47" (1/1) ... [2021-10-28 23:47:47,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:47:47,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:47:47,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:47:47,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:47:47,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:47" (1/1) ... [2021-10-28 23:47:47,864 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:47:47,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07817bc1-2643-4352-b722-6f99cb99ccc9/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:47:47,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07817bc1-2643-4352-b722-6f99cb99ccc9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:47:47,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07817bc1-2643-4352-b722-6f99cb99ccc9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:47:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:47:47,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:47:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:47:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:47:48,118 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:47:48,118 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-28 23:47:48,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:47:48 BoogieIcfgContainer [2021-10-28 23:47:48,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:47:48,120 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:47:48,121 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:47:48,130 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:47:48,131 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:47:48,132 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:47:47" (1/3) ... [2021-10-28 23:47:48,133 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7be9b66e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:47:48, skipping insertion in model container [2021-10-28 23:47:48,134 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:47:48,134 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:47:47" (2/3) ... [2021-10-28 23:47:48,137 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7be9b66e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:47:48, skipping insertion in model container [2021-10-28 23:47:48,137 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:47:48,137 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:47:48" (3/3) ... [2021-10-28 23:47:48,138 INFO L389 chiAutomizerObserver]: Analyzing ICFG test13.c [2021-10-28 23:47:48,220 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:47:48,220 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:47:48,221 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:47:48,221 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:47:48,221 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:47:48,221 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:47:48,221 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:47:48,221 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:47:48,240 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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) [2021-10-28 23:47:48,262 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:47:48,262 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:47:48,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:47:48 BoogieIcfgContainer [2021-10-28 23:47:48,267 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:47:48,268 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:47:48,268 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:47:48,268 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:47:48,269 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:47:48" (3/4) ... [2021-10-28 23:47:48,272 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:47:48,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:47:48,276 INFO L168 Benchmark]: Toolchain (without parser) took 731.16 ms. Allocated memory is still 92.3 MB. Free memory was 58.2 MB in the beginning and 51.6 MB in the end (delta: 6.6 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:47:48,278 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory was 62.6 MB in the beginning and 62.5 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:47:48,279 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.77 ms. Allocated memory is still 92.3 MB. Free memory was 58.2 MB in the beginning and 68.8 MB in the end (delta: -10.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:47:48,281 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.01 ms. Allocated memory is still 92.3 MB. Free memory was 68.8 MB in the beginning and 67.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:47:48,282 INFO L168 Benchmark]: Boogie Preprocessor took 19.74 ms. Allocated memory is still 92.3 MB. Free memory was 67.2 MB in the beginning and 66.4 MB in the end (delta: 855.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:47:48,283 INFO L168 Benchmark]: RCFGBuilder took 265.89 ms. Allocated memory is still 92.3 MB. Free memory was 66.4 MB in the beginning and 57.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:47:48,284 INFO L168 Benchmark]: BuchiAutomizer took 146.91 ms. Allocated memory is still 92.3 MB. Free memory was 57.1 MB in the beginning and 51.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:47:48,285 INFO L168 Benchmark]: Witness Printer took 4.29 ms. Allocated memory is still 92.3 MB. Free memory was 51.9 MB in the beginning and 51.6 MB in the end (delta: 333.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:47:48,296 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory was 62.6 MB in the beginning and 62.5 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 248.77 ms. Allocated memory is still 92.3 MB. Free memory was 58.2 MB in the beginning and 68.8 MB in the end (delta: -10.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.01 ms. Allocated memory is still 92.3 MB. Free memory was 68.8 MB in the beginning and 67.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.74 ms. Allocated memory is still 92.3 MB. Free memory was 67.2 MB in the beginning and 66.4 MB in the end (delta: 855.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 265.89 ms. Allocated memory is still 92.3 MB. Free memory was 66.4 MB in the beginning and 57.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 146.91 ms. Allocated memory is still 92.3 MB. Free memory was 57.1 MB in the beginning and 51.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.29 ms. Allocated memory is still 92.3 MB. Free memory was 51.9 MB in the beginning and 51.6 MB in the end (delta: 333.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program 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: No data available 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 - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:47:48,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07817bc1-2643-4352-b722-6f99cb99ccc9/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...