./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test14.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b 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_829e344b-123d-45f0-81b8-fc493fdd4556/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e344b-123d-45f0-81b8-fc493fdd4556/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e344b-123d-45f0-81b8-fc493fdd4556/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e344b-123d-45f0-81b8-fc493fdd4556/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e344b-123d-45f0-81b8-fc493fdd4556/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e344b-123d-45f0-81b8-fc493fdd4556/bin/uautomizer-ug76WZFUDN --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 43add3fb390381787d828981d477f3fc281683356a8c07aa62dab1cd48a603bf --- 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-6b4ec56 [2022-11-20 12:29:56,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:29:56,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:29:56,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:29:56,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:29:56,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:29:56,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:29:56,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:29:56,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:29:56,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:29:56,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:29:56,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:29:56,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:29:56,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:29:56,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:29:56,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:29:56,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:29:56,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:29:56,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:29:56,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:29:56,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:29:56,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:29:56,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:29:56,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:29:56,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:29:56,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:29:56,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:29:56,974 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:29:56,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:29:56,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:29:56,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:29:56,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:29:56,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:29:56,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:29:56,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:29:56,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:29:56,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:29:56,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:29:56,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:29:56,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:29:56,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:29:56,994 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e344b-123d-45f0-81b8-fc493fdd4556/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 12:29:57,048 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:29:57,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:29:57,049 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:29:57,049 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:29:57,051 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:29:57,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:29:57,051 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:29:57,051 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 12:29:57,052 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 12:29:57,052 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 12:29:57,053 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 12:29:57,054 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 12:29:57,054 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 12:29:57,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:29:57,054 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:29:57,055 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:29:57,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:29:57,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:29:57,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:29:57,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 12:29:57,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 12:29:57,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 12:29:57,056 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:29:57,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:29:57,057 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 12:29:57,057 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:29:57,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 12:29:57,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:29:57,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:29:57,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:29:57,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:29:57,061 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 12:29:57,061 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_829e344b-123d-45f0-81b8-fc493fdd4556/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e344b-123d-45f0-81b8-fc493fdd4556/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43add3fb390381787d828981d477f3fc281683356a8c07aa62dab1cd48a603bf [2022-11-20 12:29:57,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:29:57,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:29:57,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:29:57,433 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:29:57,434 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:29:57,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e344b-123d-45f0-81b8-fc493fdd4556/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-regression/test14.c [2022-11-20 12:30:01,203 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:30:01,585 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:30:01,586 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e344b-123d-45f0-81b8-fc493fdd4556/sv-benchmarks/c/ldv-regression/test14.c [2022-11-20 12:30:01,595 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e344b-123d-45f0-81b8-fc493fdd4556/bin/uautomizer-ug76WZFUDN/data/83422bd86/136b04ce03b741a380fc5b1dcfec15af/FLAGd4343e2b2 [2022-11-20 12:30:01,839 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e344b-123d-45f0-81b8-fc493fdd4556/bin/uautomizer-ug76WZFUDN/data/83422bd86/136b04ce03b741a380fc5b1dcfec15af [2022-11-20 12:30:01,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:30:01,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:30:01,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:30:01,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:30:01,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:30:01,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:30:01" (1/1) ... [2022-11-20 12:30:01,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fcd84ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:01, skipping insertion in model container [2022-11-20 12:30:01,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:30:01" (1/1) ... [2022-11-20 12:30:01,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:30:01,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:30:02,085 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_829e344b-123d-45f0-81b8-fc493fdd4556/sv-benchmarks/c/ldv-regression/test14.c[804,817] [2022-11-20 12:30:02,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:30:02,105 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:30:02,123 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_829e344b-123d-45f0-81b8-fc493fdd4556/sv-benchmarks/c/ldv-regression/test14.c[804,817] [2022-11-20 12:30:02,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:30:02,142 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:30:02,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:02 WrapperNode [2022-11-20 12:30:02,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:30:02,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:30:02,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:30:02,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:30:02,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:02" (1/1) ... [2022-11-20 12:30:02,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:02" (1/1) ... [2022-11-20 12:30:02,190 INFO L138 Inliner]: procedures = 15, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2022-11-20 12:30:02,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:30:02,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:30:02,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:30:02,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:30:02,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:02" (1/1) ... [2022-11-20 12:30:02,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:02" (1/1) ... [2022-11-20 12:30:02,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:02" (1/1) ... [2022-11-20 12:30:02,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:02" (1/1) ... [2022-11-20 12:30:02,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:02" (1/1) ... [2022-11-20 12:30:02,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:02" (1/1) ... [2022-11-20 12:30:02,218 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:02" (1/1) ... [2022-11-20 12:30:02,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:02" (1/1) ... [2022-11-20 12:30:02,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:30:02,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:30:02,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:30:02,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:30:02,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:02" (1/1) ... [2022-11-20 12:30:02,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:30:02,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e344b-123d-45f0-81b8-fc493fdd4556/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:30:02,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e344b-123d-45f0-81b8-fc493fdd4556/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:30:02,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e344b-123d-45f0-81b8-fc493fdd4556/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 12:30:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:30:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:30:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:30:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:30:02,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:30:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:30:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:30:02,429 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:30:02,432 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:30:02,608 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:30:02,616 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:30:02,617 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 12:30:02,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:30:02 BoogieIcfgContainer [2022-11-20 12:30:02,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:30:02,621 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 12:30:02,621 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 12:30:02,627 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 12:30:02,628 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:30:02,628 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:30:01" (1/3) ... [2022-11-20 12:30:02,630 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c140c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:30:02, skipping insertion in model container [2022-11-20 12:30:02,630 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:30:02,630 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:02" (2/3) ... [2022-11-20 12:30:02,631 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c140c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:30:02, skipping insertion in model container [2022-11-20 12:30:02,631 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:30:02,631 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:30:02" (3/3) ... [2022-11-20 12:30:02,633 INFO L332 chiAutomizerObserver]: Analyzing ICFG test14.c [2022-11-20 12:30:02,712 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 12:30:02,712 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 12:30:02,712 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 12:30:02,712 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 12:30:02,713 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 12:30:02,713 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 12:30:02,713 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 12:30:02,713 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 12:30:02,719 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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) [2022-11-20 12:30:02,744 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 12:30:02,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 12:30:02,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:30:02 BoogieIcfgContainer [2022-11-20 12:30:02,752 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 12:30:02,753 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:30:02,753 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:30:02,753 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:30:02,754 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:30:02" (3/4) ... [2022-11-20 12:30:02,758 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 12:30:02,758 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:30:02,762 INFO L158 Benchmark]: Toolchain (without parser) took 914.68ms. Allocated memory is still 174.1MB. Free memory was 143.3MB in the beginning and 113.8MB in the end (delta: 29.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-20 12:30:02,762 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:30:02,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.03ms. Allocated memory is still 174.1MB. Free memory was 143.3MB in the beginning and 133.2MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 12:30:02,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.12ms. Allocated memory is still 174.1MB. Free memory was 133.2MB in the beginning and 131.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:30:02,769 INFO L158 Benchmark]: Boogie Preprocessor took 30.02ms. Allocated memory is still 174.1MB. Free memory was 131.7MB in the beginning and 130.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:30:02,771 INFO L158 Benchmark]: RCFGBuilder took 396.39ms. Allocated memory is still 174.1MB. Free memory was 130.5MB in the beginning and 119.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 12:30:02,773 INFO L158 Benchmark]: BuchiAutomizer took 130.94ms. Allocated memory is still 174.1MB. Free memory was 119.1MB in the beginning and 113.8MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 12:30:02,774 INFO L158 Benchmark]: Witness Printer took 5.98ms. Allocated memory is still 174.1MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:30:02,789 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.03ms. Allocated memory is still 174.1MB. Free memory was 143.3MB in the beginning and 133.2MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.12ms. Allocated memory is still 174.1MB. Free memory was 133.2MB in the beginning and 131.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.02ms. Allocated memory is still 174.1MB. Free memory was 131.7MB in the beginning and 130.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 396.39ms. Allocated memory is still 174.1MB. Free memory was 130.5MB in the beginning and 119.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 130.94ms. Allocated memory is still 174.1MB. Free memory was 119.1MB in the beginning and 113.8MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 5.98ms. Allocated memory is still 174.1MB. Free memory is still 113.8MB. 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! [2022-11-20 12:30:02,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e344b-123d-45f0-81b8-fc493fdd4556/bin/uautomizer-ug76WZFUDN/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