./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/alias_of_return.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3108a-c475-49d8-8c1a-7579e5b3649a/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3108a-c475-49d8-8c1a-7579e5b3649a/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3108a-c475-49d8-8c1a-7579e5b3649a/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3108a-c475-49d8-8c1a-7579e5b3649a/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/alias_of_return.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3108a-c475-49d8-8c1a-7579e5b3649a/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3108a-c475-49d8-8c1a-7579e5b3649a/bin/uautomizer-wIGwrQj20G --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 ba0bcfe856788bd0caa6dc699e0af14f5977926f33f52c273bc3aa3b61532a90 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 12:52:00,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 12:52:00,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 12:52:00,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 12:52:00,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 12:52:00,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 12:52:00,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 12:52:00,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 12:52:00,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 12:52:00,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 12:52:00,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 12:52:00,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 12:52:00,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 12:52:00,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 12:52:00,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 12:52:00,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 12:52:00,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 12:52:00,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 12:52:00,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 12:52:00,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 12:52:00,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 12:52:00,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 12:52:00,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 12:52:00,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 12:52:00,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 12:52:00,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 12:52:00,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 12:52:00,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 12:52:00,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 12:52:00,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 12:52:00,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 12:52:00,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 12:52:00,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 12:52:00,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 12:52:00,995 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 12:52:00,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 12:52:00,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 12:52:00,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 12:52:00,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 12:52:00,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 12:52:01,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 12:52:01,002 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3108a-c475-49d8-8c1a-7579e5b3649a/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-23 12:52:01,040 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 12:52:01,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 12:52:01,041 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 12:52:01,041 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 12:52:01,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 12:52:01,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 12:52:01,043 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 12:52:01,044 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 12:52:01,044 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 12:52:01,044 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 12:52:01,045 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 12:52:01,045 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 12:52:01,045 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 12:52:01,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 12:52:01,046 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 12:52:01,046 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 12:52:01,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 12:52:01,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 12:52:01,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 12:52:01,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 12:52:01,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 12:52:01,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 12:52:01,049 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 12:52:01,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 12:52:01,049 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 12:52:01,050 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 12:52:01,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 12:52:01,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 12:52:01,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 12:52:01,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 12:52:01,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 12:52:01,052 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 12:52:01,053 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 12:52:01,053 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_c7d3108a-c475-49d8-8c1a-7579e5b3649a/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3108a-c475-49d8-8c1a-7579e5b3649a/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba0bcfe856788bd0caa6dc699e0af14f5977926f33f52c273bc3aa3b61532a90 [2021-11-23 12:52:01,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 12:52:01,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 12:52:01,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 12:52:01,391 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 12:52:01,393 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 12:52:01,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3108a-c475-49d8-8c1a-7579e5b3649a/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/ldv-regression/alias_of_return.i [2021-11-23 12:52:01,498 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3108a-c475-49d8-8c1a-7579e5b3649a/bin/uautomizer-wIGwrQj20G/data/35898a25d/684437bfcae64562b598c1e8fc654028/FLAGb3c3cfe29 [2021-11-23 12:52:02,171 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 12:52:02,173 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3108a-c475-49d8-8c1a-7579e5b3649a/sv-benchmarks/c/ldv-regression/alias_of_return.i [2021-11-23 12:52:02,187 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3108a-c475-49d8-8c1a-7579e5b3649a/bin/uautomizer-wIGwrQj20G/data/35898a25d/684437bfcae64562b598c1e8fc654028/FLAGb3c3cfe29 [2021-11-23 12:52:02,541 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3108a-c475-49d8-8c1a-7579e5b3649a/bin/uautomizer-wIGwrQj20G/data/35898a25d/684437bfcae64562b598c1e8fc654028 [2021-11-23 12:52:02,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 12:52:02,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 12:52:02,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 12:52:02,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 12:52:02,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 12:52:02,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:02" (1/1) ... [2021-11-23 12:52:02,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1aea9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02, skipping insertion in model container [2021-11-23 12:52:02,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:02" (1/1) ... [2021-11-23 12:52:02,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 12:52:02,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:52:02,818 WARN L230 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_c7d3108a-c475-49d8-8c1a-7579e5b3649a/sv-benchmarks/c/ldv-regression/alias_of_return.i[288,301] [2021-11-23 12:52:02,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:52:02,884 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 12:52:02,902 WARN L230 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_c7d3108a-c475-49d8-8c1a-7579e5b3649a/sv-benchmarks/c/ldv-regression/alias_of_return.i[288,301] [2021-11-23 12:52:02,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:52:02,929 INFO L208 MainTranslator]: Completed translation [2021-11-23 12:52:02,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02 WrapperNode [2021-11-23 12:52:02,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 12:52:02,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 12:52:02,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 12:52:02,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 12:52:02,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02" (1/1) ... [2021-11-23 12:52:02,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02" (1/1) ... [2021-11-23 12:52:02,979 INFO L137 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 30 [2021-11-23 12:52:02,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 12:52:02,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 12:52:02,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 12:52:02,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 12:52:02,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02" (1/1) ... [2021-11-23 12:52:02,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02" (1/1) ... [2021-11-23 12:52:03,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02" (1/1) ... [2021-11-23 12:52:03,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02" (1/1) ... [2021-11-23 12:52:03,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02" (1/1) ... [2021-11-23 12:52:03,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02" (1/1) ... [2021-11-23 12:52:03,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02" (1/1) ... [2021-11-23 12:52:03,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 12:52:03,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 12:52:03,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 12:52:03,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 12:52:03,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02" (1/1) ... [2021-11-23 12:52:03,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:52:03,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3108a-c475-49d8-8c1a-7579e5b3649a/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:52:03,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3108a-c475-49d8-8c1a-7579e5b3649a/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:52:03,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3108a-c475-49d8-8c1a-7579e5b3649a/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 12:52:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 12:52:03,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 12:52:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 12:52:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 12:52:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 12:52:03,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 12:52:03,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 12:52:03,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 12:52:03,232 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 12:52:03,234 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 12:52:03,399 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 12:52:03,406 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 12:52:03,407 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 12:52:03,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:03 BoogieIcfgContainer [2021-11-23 12:52:03,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 12:52:03,411 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 12:52:03,411 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 12:52:03,415 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 12:52:03,416 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:52:03,417 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 12:52:02" (1/3) ... [2021-11-23 12:52:03,418 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14c7316d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:52:03, skipping insertion in model container [2021-11-23 12:52:03,419 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:52:03,419 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:02" (2/3) ... [2021-11-23 12:52:03,420 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14c7316d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:52:03, skipping insertion in model container [2021-11-23 12:52:03,420 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:52:03,420 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:03" (3/3) ... [2021-11-23 12:52:03,422 INFO L388 chiAutomizerObserver]: Analyzing ICFG alias_of_return.i [2021-11-23 12:52:03,479 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 12:52:03,479 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 12:52:03,480 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 12:52:03,480 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 12:52:03,480 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 12:52:03,480 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 12:52:03,480 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 12:52:03,481 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 12:52:03,499 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 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) [2021-11-23 12:52:03,538 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 12:52:03,539 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-23 12:52:03,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 12:52:03 BoogieIcfgContainer [2021-11-23 12:52:03,557 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 12:52:03,559 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 12:52:03,559 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 12:52:03,559 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 12:52:03,560 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:52:03" (3/4) ... [2021-11-23 12:52:03,564 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 12:52:03,564 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 12:52:03,567 INFO L158 Benchmark]: Toolchain (without parser) took 1012.85ms. Allocated memory was 113.2MB in the beginning and 155.2MB in the end (delta: 41.9MB). Free memory was 85.1MB in the beginning and 113.4MB in the end (delta: -28.2MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2021-11-23 12:52:03,582 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 113.2MB. Free memory was 70.4MB in the beginning and 70.3MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:52:03,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.48ms. Allocated memory was 113.2MB in the beginning and 155.2MB in the end (delta: 41.9MB). Free memory was 84.8MB in the beginning and 130.6MB in the end (delta: -45.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 12:52:03,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.64ms. Allocated memory is still 155.2MB. Free memory was 130.6MB in the beginning and 129.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:52:03,587 INFO L158 Benchmark]: Boogie Preprocessor took 44.91ms. Allocated memory is still 155.2MB. Free memory was 129.4MB in the beginning and 128.4MB in the end (delta: 957.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 12:52:03,588 INFO L158 Benchmark]: RCFGBuilder took 382.38ms. Allocated memory is still 155.2MB. Free memory was 128.4MB in the beginning and 119.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 12:52:03,589 INFO L158 Benchmark]: BuchiAutomizer took 146.94ms. Allocated memory is still 155.2MB. Free memory was 118.9MB in the beginning and 113.8MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 12:52:03,590 INFO L158 Benchmark]: Witness Printer took 5.53ms. Allocated memory is still 155.2MB. Free memory was 113.8MB in the beginning and 113.4MB in the end (delta: 442.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:52:03,598 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 113.2MB. Free memory was 70.4MB in the beginning and 70.3MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.48ms. Allocated memory was 113.2MB in the beginning and 155.2MB in the end (delta: 41.9MB). Free memory was 84.8MB in the beginning and 130.6MB in the end (delta: -45.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.64ms. Allocated memory is still 155.2MB. Free memory was 130.6MB in the beginning and 129.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.91ms. Allocated memory is still 155.2MB. Free memory was 129.4MB in the beginning and 128.4MB in the end (delta: 957.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 382.38ms. Allocated memory is still 155.2MB. Free memory was 128.4MB in the beginning and 119.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 146.94ms. Allocated memory is still 155.2MB. Free memory was 118.9MB in the beginning and 113.8MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 5.53ms. Allocated memory is still 155.2MB. Free memory was 113.8MB in the beginning and 113.4MB in the end (delta: 442.4kB). 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 - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-23 12:52:03,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7d3108a-c475-49d8-8c1a-7579e5b3649a/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE