./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/tee-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7df50306-9e5c-4d40-8e6c-e37581c9cae8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7df50306-9e5c-4d40-8e6c-e37581c9cae8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7df50306-9e5c-4d40-8e6c-e37581c9cae8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7df50306-9e5c-4d40-8e6c-e37581c9cae8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tee-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7df50306-9e5c-4d40-8e6c-e37581c9cae8/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7df50306-9e5c-4d40-8e6c-e37581c9cae8/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 19628ab2d7fc4a3c8206da629d6899b4ff69e0b3 ............................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_7df50306-9e5c-4d40-8e6c-e37581c9cae8/bin/uautomizer/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:57:05,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:57:05,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:57:05,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:57:05,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:57:05,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:57:05,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:57:05,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:57:05,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:57:05,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:57:05,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:57:05,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:57:05,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:57:05,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:57:05,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:57:05,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:57:05,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:57:05,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:57:05,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:57:05,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:57:05,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:57:05,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:57:05,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:57:05,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:57:05,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:57:05,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:57:05,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:57:05,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:57:05,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:57:05,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:57:05,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:57:05,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:57:05,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:57:05,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:57:05,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:57:05,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:57:05,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:57:05,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:57:05,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:57:05,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:57:05,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:57:05,165 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7df50306-9e5c-4d40-8e6c-e37581c9cae8/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-11-29 18:57:05,196 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:57:05,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:57:05,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:57:05,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:57:05,205 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:57:05,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:57:05,206 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:57:05,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:57:05,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:57:05,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:57:05,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:57:05,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:57:05,209 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 18:57:05,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:57:05,210 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:57:05,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:57:05,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:57:05,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:57:05,211 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:57:05,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:57:05,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:57:05,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:57:05,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:57:05,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:57:05,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:57:05,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:57:05,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:57:05,214 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:57:05,214 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-vcloud-master/worker/run_dir_7df50306-9e5c-4d40-8e6c-e37581c9cae8/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7df50306-9e5c-4d40-8e6c-e37581c9cae8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19628ab2d7fc4a3c8206da629d6899b4ff69e0b3 [2020-11-29 18:57:05,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:57:05,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:57:05,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:57:05,631 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:57:05,632 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:57:05,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7df50306-9e5c-4d40-8e6c-e37581c9cae8/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/tee-2.i [2020-11-29 18:57:05,728 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7df50306-9e5c-4d40-8e6c-e37581c9cae8/bin/uautomizer/data/97687ecbd/63394f86b6bc4a5387c03b3a2b611d8e/FLAGbcdffa6b4 [2020-11-29 18:57:06,538 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:57:06,539 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7df50306-9e5c-4d40-8e6c-e37581c9cae8/sv-benchmarks/c/busybox-1.22.0/tee-2.i [2020-11-29 18:57:06,598 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7df50306-9e5c-4d40-8e6c-e37581c9cae8/bin/uautomizer/data/97687ecbd/63394f86b6bc4a5387c03b3a2b611d8e/FLAGbcdffa6b4 [2020-11-29 18:57:07,111 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7df50306-9e5c-4d40-8e6c-e37581c9cae8/bin/uautomizer/data/97687ecbd/63394f86b6bc4a5387c03b3a2b611d8e [2020-11-29 18:57:07,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:57:07,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:57:07,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:57:07,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:57:07,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:57:07,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:57:07" (1/1) ... [2020-11-29 18:57:07,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4505a494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:57:07, skipping insertion in model container [2020-11-29 18:57:07,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:57:07" (1/1) ... [2020-11-29 18:57:07,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:57:07,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:57:08,830 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-11-29 18:57:08,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5fe4545a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:57:08, skipping insertion in model container [2020-11-29 18:57:08,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:57:08,832 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-29 18:57:08,836 INFO L168 Benchmark]: Toolchain (without parser) took 1713.54 ms. Allocated memory is still 113.2 MB. Free memory was 76.7 MB in the beginning and 76.5 MB in the end (delta: 218.0 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:57:08,839 INFO L168 Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 86.0 MB. Free memory was 45.4 MB in the beginning and 45.4 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:57:08,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1707.74 ms. Allocated memory is still 113.2 MB. Free memory was 76.6 MB in the beginning and 76.5 MB in the end (delta: 58.7 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:57:08,844 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 ms. Allocated memory is still 86.0 MB. Free memory was 45.4 MB in the beginning and 45.4 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1707.74 ms. Allocated memory is still 113.2 MB. Free memory was 76.6 MB in the beginning and 76.5 MB in the end (delta: 58.7 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2272]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...