./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0806ea19-40f1-4dce-a920-8d11cec8a561/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0806ea19-40f1-4dce-a920-8d11cec8a561/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0806ea19-40f1-4dce-a920-8d11cec8a561/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0806ea19-40f1-4dce-a920-8d11cec8a561/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0806ea19-40f1-4dce-a920-8d11cec8a561/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0806ea19-40f1-4dce-a920-8d11cec8a561/bin/uautomizer-WNIpwEf4Nt --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 de0ee98d0beeed0f9ecb516c00b0addb60c3ca93 .......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:40:55,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:40:55,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:40:55,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:40:55,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:40:55,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:40:55,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:40:55,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:40:55,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:40:55,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:40:55,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:40:55,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:40:55,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:40:55,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:40:55,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:40:55,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:40:55,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:40:55,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:40:55,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:40:55,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:40:55,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:40:55,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:40:55,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:40:55,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:40:55,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:40:55,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:40:55,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:40:55,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:40:55,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:40:55,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:40:55,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:40:55,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:40:55,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:40:55,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:40:55,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:40:55,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:40:55,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:40:55,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:40:55,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:40:55,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:40:55,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:40:55,926 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0806ea19-40f1-4dce-a920-8d11cec8a561/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:40:55,976 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:40:55,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:40:55,978 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:40:55,978 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:40:55,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:40:55,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:40:55,980 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:40:55,980 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:40:55,980 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:40:55,980 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:40:55,981 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:40:55,982 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:40:55,982 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:40:55,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:40:55,982 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:40:55,983 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:40:55,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:40:55,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:40:55,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:40:55,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:40:55,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:40:55,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:40:55,984 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:40:55,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:40:55,985 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:40:55,985 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:40:55,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:40:55,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:40:55,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:40:55,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:40:55,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:40:55,988 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:40:55,989 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:40:55,989 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_0806ea19-40f1-4dce-a920-8d11cec8a561/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0806ea19-40f1-4dce-a920-8d11cec8a561/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de0ee98d0beeed0f9ecb516c00b0addb60c3ca93 [2021-10-13 00:40:56,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:40:56,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:40:56,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:40:56,274 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:40:56,275 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:40:56,276 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0806ea19-40f1-4dce-a920-8d11cec8a561/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ldv-regression/test11.c [2021-10-13 00:40:56,359 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0806ea19-40f1-4dce-a920-8d11cec8a561/bin/uautomizer-WNIpwEf4Nt/data/c56a03921/40587cef5fe34b3484595c857e5040ce/FLAG5c9dd51ab [2021-10-13 00:40:56,771 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:40:56,772 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0806ea19-40f1-4dce-a920-8d11cec8a561/sv-benchmarks/c/ldv-regression/test11.c [2021-10-13 00:40:56,776 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0806ea19-40f1-4dce-a920-8d11cec8a561/bin/uautomizer-WNIpwEf4Nt/data/c56a03921/40587cef5fe34b3484595c857e5040ce/FLAG5c9dd51ab [2021-10-13 00:40:56,791 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0806ea19-40f1-4dce-a920-8d11cec8a561/bin/uautomizer-WNIpwEf4Nt/data/c56a03921/40587cef5fe34b3484595c857e5040ce [2021-10-13 00:40:56,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:40:56,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:40:56,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:40:56,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:40:56,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:40:56,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:40:56" (1/1) ... [2021-10-13 00:40:56,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26ad5fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:56, skipping insertion in model container [2021-10-13 00:40:56,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:40:56" (1/1) ... [2021-10-13 00:40:56,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:40:56,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:40:56,991 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_0806ea19-40f1-4dce-a920-8d11cec8a561/sv-benchmarks/c/ldv-regression/test11.c[823,836] [2021-10-13 00:40:56,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:40:57,004 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:40:57,020 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_0806ea19-40f1-4dce-a920-8d11cec8a561/sv-benchmarks/c/ldv-regression/test11.c[823,836] [2021-10-13 00:40:57,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:40:57,035 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:40:57,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:57 WrapperNode [2021-10-13 00:40:57,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:40:57,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:40:57,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:40:57,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:40:57,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:57" (1/1) ... [2021-10-13 00:40:57,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:57" (1/1) ... [2021-10-13 00:40:57,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:40:57,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:40:57,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:40:57,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:40:57,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:57" (1/1) ... [2021-10-13 00:40:57,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:57" (1/1) ... [2021-10-13 00:40:57,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:57" (1/1) ... [2021-10-13 00:40:57,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:57" (1/1) ... [2021-10-13 00:40:57,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:57" (1/1) ... [2021-10-13 00:40:57,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:57" (1/1) ... [2021-10-13 00:40:57,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:57" (1/1) ... [2021-10-13 00:40:57,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:40:57,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:40:57,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:40:57,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:40:57,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:57" (1/1) ... [2021-10-13 00:40:57,157 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:40:57,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0806ea19-40f1-4dce-a920-8d11cec8a561/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:40:57,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0806ea19-40f1-4dce-a920-8d11cec8a561/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:40:57,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0806ea19-40f1-4dce-a920-8d11cec8a561/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:40:57,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:40:57,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:40:57,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:40:57,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:40:57,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:40:57,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:40:57,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:40:57,534 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:40:57,534 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-13 00:40:57,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:40:57 BoogieIcfgContainer [2021-10-13 00:40:57,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:40:57,537 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:40:57,537 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:40:57,540 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:40:57,541 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:40:57,541 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:40:56" (1/3) ... [2021-10-13 00:40:57,556 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7578ef1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:40:57, skipping insertion in model container [2021-10-13 00:40:57,557 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:40:57,557 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:40:57" (2/3) ... [2021-10-13 00:40:57,557 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7578ef1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:40:57, skipping insertion in model container [2021-10-13 00:40:57,557 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:40:57,558 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:40:57" (3/3) ... [2021-10-13 00:40:57,559 INFO L389 chiAutomizerObserver]: Analyzing ICFG test11.c [2021-10-13 00:40:57,601 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:40:57,601 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:40:57,601 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:40:57,601 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:40:57,602 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:40:57,602 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:40:57,602 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:40:57,602 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:40:57,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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) [2021-10-13 00:40:57,645 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:40:57,645 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:40:57,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:40:57 BoogieIcfgContainer [2021-10-13 00:40:57,650 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:40:57,651 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:40:57,659 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:40:57,660 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:40:57,660 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:40:57" (3/4) ... [2021-10-13 00:40:57,663 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:40:57,664 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:40:57,666 INFO L168 Benchmark]: Toolchain (without parser) took 869.54 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 54.7 MB in the beginning and 73.8 MB in the end (delta: -19.1 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:57,667 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 90.2 MB. Free memory was 60.4 MB in the beginning and 60.3 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:40:57,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.99 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 54.5 MB in the beginning and 92.9 MB in the end (delta: -38.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:57,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.86 ms. Allocated memory is still 117.4 MB. Free memory was 92.9 MB in the beginning and 91.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:57,671 INFO L168 Benchmark]: Boogie Preprocessor took 54.57 ms. Allocated memory is still 117.4 MB. Free memory was 91.3 MB in the beginning and 90.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:57,672 INFO L168 Benchmark]: RCFGBuilder took 388.60 ms. Allocated memory is still 117.4 MB. Free memory was 90.0 MB in the beginning and 78.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:57,682 INFO L168 Benchmark]: BuchiAutomizer took 113.21 ms. Allocated memory is still 117.4 MB. Free memory was 78.9 MB in the beginning and 74.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:40:57,683 INFO L168 Benchmark]: Witness Printer took 13.07 ms. Allocated memory is still 117.4 MB. Free memory was 74.1 MB in the beginning and 73.8 MB in the end (delta: 247.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:40:57,690 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 90.2 MB. Free memory was 60.4 MB in the beginning and 60.3 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 238.99 ms. Allocated memory was 90.2 MB in the beginning and 117.4 MB in the end (delta: 27.3 MB). Free memory was 54.5 MB in the beginning and 92.9 MB in the end (delta: -38.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.86 ms. Allocated memory is still 117.4 MB. Free memory was 92.9 MB in the beginning and 91.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.57 ms. Allocated memory is still 117.4 MB. Free memory was 91.3 MB in the beginning and 90.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 388.60 ms. Allocated memory is still 117.4 MB. Free memory was 90.0 MB in the beginning and 78.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 113.21 ms. Allocated memory is still 117.4 MB. Free memory was 78.9 MB in the beginning and 74.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Witness Printer took 13.07 ms. Allocated memory is still 117.4 MB. Free memory was 74.1 MB in the beginning and 73.8 MB in the end (delta: 247.8 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! [2021-10-13 00:40:57,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0806ea19-40f1-4dce-a920-8d11cec8a561/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...