./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/nested_structure-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a 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_ba41efed-e684-44d9-b799-1e0871edee00/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba41efed-e684-44d9-b799-1e0871edee00/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba41efed-e684-44d9-b799-1e0871edee00/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba41efed-e684-44d9-b799-1e0871edee00/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/nested_structure-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba41efed-e684-44d9-b799-1e0871edee00/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba41efed-e684-44d9-b799-1e0871edee00/bin/uautomizer-ZsLfNo2U6R --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 8760dfb1fc705c9d4bd3086e926410b9e088fc0950cc71e69ebbf3367b49d459 --- 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-38b53e6 [2022-11-25 18:01:12,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:01:12,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:01:12,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:01:12,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:01:12,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:01:12,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:01:12,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:01:12,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:01:12,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:01:12,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:01:12,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:01:12,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:01:12,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:01:12,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:01:12,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:01:12,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:01:12,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:01:12,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:01:12,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:01:12,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:01:12,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:01:12,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:01:12,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:01:12,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:01:12,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:01:12,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:01:12,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:01:12,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:01:12,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:01:12,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:01:12,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:01:12,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:01:12,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:01:12,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:01:12,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:01:12,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:01:12,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:01:12,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:01:12,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:01:12,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:01:12,917 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba41efed-e684-44d9-b799-1e0871edee00/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 18:01:12,964 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:01:12,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:01:12,964 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:01:12,964 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:01:12,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:01:12,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:01:12,966 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:01:12,966 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 18:01:12,969 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 18:01:12,969 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 18:01:12,970 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 18:01:12,971 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 18:01:12,971 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 18:01:12,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:01:12,971 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:01:12,971 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:01:12,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:01:12,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:01:12,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:01:12,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 18:01:12,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 18:01:12,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 18:01:12,972 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:01:12,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:01:12,973 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 18:01:12,973 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:01:12,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 18:01:12,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:01:12,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:01:12,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:01:12,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:01:12,977 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 18:01:12,977 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_ba41efed-e684-44d9-b799-1e0871edee00/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba41efed-e684-44d9-b799-1e0871edee00/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8760dfb1fc705c9d4bd3086e926410b9e088fc0950cc71e69ebbf3367b49d459 [2022-11-25 18:01:13,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:01:13,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:01:13,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:01:13,318 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:01:13,319 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:01:13,320 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba41efed-e684-44d9-b799-1e0871edee00/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-regression/nested_structure-1.i [2022-11-25 18:01:16,444 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:01:16,647 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:01:16,648 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba41efed-e684-44d9-b799-1e0871edee00/sv-benchmarks/c/ldv-regression/nested_structure-1.i [2022-11-25 18:01:16,655 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba41efed-e684-44d9-b799-1e0871edee00/bin/uautomizer-ZsLfNo2U6R/data/938a32fc8/69bbaf520413431aa4c480b0636de8eb/FLAG9b11c3719 [2022-11-25 18:01:16,677 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba41efed-e684-44d9-b799-1e0871edee00/bin/uautomizer-ZsLfNo2U6R/data/938a32fc8/69bbaf520413431aa4c480b0636de8eb [2022-11-25 18:01:16,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:01:16,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:01:16,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:01:16,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:01:16,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:01:16,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:01:16" (1/1) ... [2022-11-25 18:01:16,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284e10eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:16, skipping insertion in model container [2022-11-25 18:01:16,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:01:16" (1/1) ... [2022-11-25 18:01:16,702 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:01:16,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:01:16,902 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_ba41efed-e684-44d9-b799-1e0871edee00/sv-benchmarks/c/ldv-regression/nested_structure-1.i[303,316] [2022-11-25 18:01:16,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:01:16,938 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:01:16,952 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_ba41efed-e684-44d9-b799-1e0871edee00/sv-benchmarks/c/ldv-regression/nested_structure-1.i[303,316] [2022-11-25 18:01:16,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:01:16,980 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:01:16,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:16 WrapperNode [2022-11-25 18:01:16,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:01:16,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:01:16,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:01:16,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:01:16,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:16" (1/1) ... [2022-11-25 18:01:17,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:16" (1/1) ... [2022-11-25 18:01:17,028 INFO L138 Inliner]: procedures = 16, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-11-25 18:01:17,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:01:17,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:01:17,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:01:17,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:01:17,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:16" (1/1) ... [2022-11-25 18:01:17,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:16" (1/1) ... [2022-11-25 18:01:17,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:16" (1/1) ... [2022-11-25 18:01:17,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:16" (1/1) ... [2022-11-25 18:01:17,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:16" (1/1) ... [2022-11-25 18:01:17,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:16" (1/1) ... [2022-11-25 18:01:17,071 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:16" (1/1) ... [2022-11-25 18:01:17,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:16" (1/1) ... [2022-11-25 18:01:17,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:01:17,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:01:17,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:01:17,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:01:17,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:16" (1/1) ... [2022-11-25 18:01:17,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:01:17,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba41efed-e684-44d9-b799-1e0871edee00/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:01:17,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba41efed-e684-44d9-b799-1e0871edee00/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:01:17,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba41efed-e684-44d9-b799-1e0871edee00/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 18:01:17,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 18:01:17,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 18:01:17,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:01:17,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:01:17,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:01:17,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:01:17,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:01:17,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:01:17,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:01:17,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:01:17,257 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:01:17,259 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:01:17,416 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:01:17,435 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:01:17,436 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:01:17,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:01:17 BoogieIcfgContainer [2022-11-25 18:01:17,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:01:17,439 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 18:01:17,439 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 18:01:17,443 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 18:01:17,444 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:01:17,456 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 06:01:16" (1/3) ... [2022-11-25 18:01:17,457 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@456006bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 06:01:17, skipping insertion in model container [2022-11-25 18:01:17,458 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:01:17,458 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:01:16" (2/3) ... [2022-11-25 18:01:17,458 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@456006bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 06:01:17, skipping insertion in model container [2022-11-25 18:01:17,458 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:01:17,459 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:01:17" (3/3) ... [2022-11-25 18:01:17,460 INFO L332 chiAutomizerObserver]: Analyzing ICFG nested_structure-1.i [2022-11-25 18:01:17,552 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 18:01:17,556 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 18:01:17,556 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 18:01:17,557 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 18:01:17,557 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 18:01:17,557 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 18:01:17,557 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 18:01:17,557 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 18:01:17,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:01:17,580 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 18:01:17,581 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 18:01:17,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 06:01:17 BoogieIcfgContainer [2022-11-25 18:01:17,586 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 18:01:17,587 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:01:17,588 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:01:17,588 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:01:17,588 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:01:17" (3/4) ... [2022-11-25 18:01:17,592 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 18:01:17,592 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:01:17,595 INFO L158 Benchmark]: Toolchain (without parser) took 907.80ms. Allocated memory is still 167.8MB. Free memory was 130.8MB in the beginning and 100.0MB in the end (delta: 30.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-25 18:01:17,596 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:01:17,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.13ms. Allocated memory is still 167.8MB. Free memory was 130.4MB in the beginning and 120.3MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 18:01:17,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.46ms. Allocated memory is still 167.8MB. Free memory was 120.3MB in the beginning and 118.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:01:17,599 INFO L158 Benchmark]: Boogie Preprocessor took 45.06ms. Allocated memory is still 167.8MB. Free memory was 118.8MB in the beginning and 117.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:01:17,600 INFO L158 Benchmark]: RCFGBuilder took 362.29ms. Allocated memory is still 167.8MB. Free memory was 117.4MB in the beginning and 105.7MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 18:01:17,601 INFO L158 Benchmark]: BuchiAutomizer took 147.55ms. Allocated memory is still 167.8MB. Free memory was 105.7MB in the beginning and 100.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 18:01:17,603 INFO L158 Benchmark]: Witness Printer took 4.68ms. Allocated memory is still 167.8MB. Free memory was 100.5MB in the beginning and 100.0MB in the end (delta: 474.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:01:17,614 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.13ms. Allocated memory is still 167.8MB. Free memory was 130.4MB in the beginning and 120.3MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.46ms. Allocated memory is still 167.8MB. Free memory was 120.3MB in the beginning and 118.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.06ms. Allocated memory is still 167.8MB. Free memory was 118.8MB in the beginning and 117.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 362.29ms. Allocated memory is still 167.8MB. Free memory was 117.4MB in the beginning and 105.7MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 147.55ms. Allocated memory is still 167.8MB. Free memory was 105.7MB in the beginning and 100.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 4.68ms. Allocated memory is still 167.8MB. Free memory was 100.5MB in the beginning and 100.0MB in the end (delta: 474.1kB). 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! [2022-11-25 18:01:17,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba41efed-e684-44d9-b799-1e0871edee00/bin/uautomizer-ZsLfNo2U6R/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