./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/fold-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d12f56-8120-465a-9017-40644086e99f/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d12f56-8120-465a-9017-40644086e99f/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d12f56-8120-465a-9017-40644086e99f/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d12f56-8120-465a-9017-40644086e99f/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d12f56-8120-465a-9017-40644086e99f/bin/uautomizer-GMMbpWq8iD/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d12f56-8120-465a-9017-40644086e99f/bin/uautomizer-GMMbpWq8iD --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 3d9f668f76f0a1bb4db1c87621ba1f5ce63f8bfa633e977c0afbe178905aa7e9 ................................................................................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d12f56-8120-465a-9017-40644086e99f/bin/uautomizer-GMMbpWq8iD/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 0.2.1-dev-b2eff8b [2021-10-28 23:12:47,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:12:47,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:12:47,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:12:47,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:12:47,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:12:47,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:12:47,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:12:47,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:12:47,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:12:47,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:12:47,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:12:47,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:12:47,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:12:47,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:12:47,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:12:47,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:12:47,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:12:47,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:12:47,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:12:47,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:12:47,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:12:47,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:12:47,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:12:47,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:12:47,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:12:47,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:12:47,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:12:47,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:12:47,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:12:47,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:12:47,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:12:47,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:12:47,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:12:47,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:12:47,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:12:47,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:12:47,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:12:47,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:12:47,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:12:47,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:12:47,757 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d12f56-8120-465a-9017-40644086e99f/bin/uautomizer-GMMbpWq8iD/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-10-28 23:12:47,807 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:12:47,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:12:47,808 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:12:47,815 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:12:47,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:12:47,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:12:47,817 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:12:47,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:12:47,818 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:12:47,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:12:47,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:12:47,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:12:47,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:12:47,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:12:47,820 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-28 23:12:47,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:12:47,820 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:12:47,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:12:47,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:12:47,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:12:47,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:12:47,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:12:47,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:12:47,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:12:47,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:12:47,823 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:12:47,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:12:47,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:12:47,823 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:12:47,825 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_worker_vcloud-master_on_vcloud-master/run_dir_24d12f56-8120-465a-9017-40644086e99f/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d12f56-8120-465a-9017-40644086e99f/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d9f668f76f0a1bb4db1c87621ba1f5ce63f8bfa633e977c0afbe178905aa7e9 [2021-10-28 23:12:48,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:12:48,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:12:48,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:12:48,205 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:12:48,213 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:12:48,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d12f56-8120-465a-9017-40644086e99f/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/busybox-1.22.0/fold-2.i [2021-10-28 23:12:48,287 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d12f56-8120-465a-9017-40644086e99f/bin/uautomizer-GMMbpWq8iD/data/15b98a7e9/8a98c42cce6e4cb197e936ccfe4b7a55/FLAGe1bbafc78 [2021-10-28 23:12:49,166 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:12:49,167 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d12f56-8120-465a-9017-40644086e99f/sv-benchmarks/c/busybox-1.22.0/fold-2.i [2021-10-28 23:12:49,217 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d12f56-8120-465a-9017-40644086e99f/bin/uautomizer-GMMbpWq8iD/data/15b98a7e9/8a98c42cce6e4cb197e936ccfe4b7a55/FLAGe1bbafc78 [2021-10-28 23:12:49,670 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24d12f56-8120-465a-9017-40644086e99f/bin/uautomizer-GMMbpWq8iD/data/15b98a7e9/8a98c42cce6e4cb197e936ccfe4b7a55 [2021-10-28 23:12:49,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:12:49,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:12:49,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:12:49,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:12:49,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:12:49,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:12:49" (1/1) ... [2021-10-28 23:12:49,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ed6874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:49, skipping insertion in model container [2021-10-28 23:12:49,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:12:49" (1/1) ... [2021-10-28 23:12:49,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:12:49,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:12:51,259 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-28 23:12:51,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4bfde9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:51, skipping insertion in model container [2021-10-28 23:12:51,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:12:51,261 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-28 23:12:51,263 INFO L168 Benchmark]: Toolchain (without parser) took 1587.28 ms. Allocated memory is still 123.7 MB. Free memory was 80.2 MB in the beginning and 82.3 MB in the end (delta: -2.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:51,264 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 123.7 MB. Free memory is still 102.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:12:51,265 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1581.46 ms. Allocated memory is still 123.7 MB. Free memory was 80.0 MB in the beginning and 82.3 MB in the end (delta: -2.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:51,267 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 123.7 MB. Free memory is still 102.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1581.46 ms. Allocated memory is still 123.7 MB. Free memory was 80.0 MB in the beginning and 82.3 MB in the end (delta: -2.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2310]: 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...