./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:56:35,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:56:35,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:56:36,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:56:36,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:56:36,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:56:36,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:56:36,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:56:36,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:56:36,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:56:36,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:56:36,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:56:36,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:56:36,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:56:36,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:56:36,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:56:36,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:56:36,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:56:36,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:56:36,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:56:36,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:56:36,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:56:36,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:56:36,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:56:36,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:56:36,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:56:36,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:56:36,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:56:36,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:56:36,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:56:36,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:56:36,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:56:36,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:56:36,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:56:36,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:56:36,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:56:36,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:56:36,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:56:36,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:56:36,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:56:36,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:56:36,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-07 00:56:36,137 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:56:36,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:56:36,138 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:56:36,138 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:56:36,138 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:56:36,139 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:56:36,139 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:56:36,139 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:56:36,139 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:56:36,140 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:56:36,140 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:56:36,140 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:56:36,140 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:56:36,141 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:56:36,141 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:56:36,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:56:36,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:56:36,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:56:36,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:56:36,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:56:36,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:56:36,143 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:56:36,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:56:36,144 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:56:36,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:56:36,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:56:36,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:56:36,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:56:36,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:56:36,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:56:36,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:56:36,146 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:56:36,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:56:36,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:56:36,146 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:56:36,146 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:56:36,147 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec [2021-11-07 00:56:36,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:56:36,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:56:36,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:56:36,442 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:56:36,443 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:56:36,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-11-07 00:56:36,522 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8/data/e2d48926f/f5a88b64580e412c85e3f186e9cf71e8/FLAG741b3082e [2021-11-07 00:56:37,208 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:56:37,210 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-11-07 00:56:37,253 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8/data/e2d48926f/f5a88b64580e412c85e3f186e9cf71e8/FLAG741b3082e [2021-11-07 00:56:37,315 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8/data/e2d48926f/f5a88b64580e412c85e3f186e9cf71e8 [2021-11-07 00:56:37,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:56:37,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:56:37,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:56:37,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:56:37,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:56:37,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:56:37" (1/1) ... [2021-11-07 00:56:37,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@722836cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:56:37, skipping insertion in model container [2021-11-07 00:56:37,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:56:37" (1/1) ... [2021-11-07 00:56:37,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:56:37,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:56:38,782 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-07 00:56:38,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@149ce847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:56:38, skipping insertion in model container [2021-11-07 00:56:38,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:56:38,784 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 00:56:38,786 INFO L168 Benchmark]: Toolchain (without parser) took 1464.89 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 59.0 MB in the beginning and 60.2 MB in the end (delta: -1.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2021-11-07 00:56:38,787 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 83.9 MB. Free memory was 63.5 MB in the beginning and 63.4 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:56:38,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1460.41 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 59.0 MB in the beginning and 60.2 MB in the end (delta: -1.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2021-11-07 00:56:38,790 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 83.9 MB. Free memory was 63.5 MB in the beginning and 63.4 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1460.41 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 59.0 MB in the beginning and 60.2 MB in the end (delta: -1.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2334]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:56:40,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:56:40,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:56:41,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:56:41,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:56:41,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:56:41,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:56:41,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:56:41,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:56:41,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:56:41,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:56:41,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:56:41,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:56:41,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:56:41,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:56:41,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:56:41,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:56:41,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:56:41,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:56:41,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:56:41,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:56:41,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:56:41,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:56:41,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:56:41,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:56:41,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:56:41,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:56:41,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:56:41,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:56:41,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:56:41,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:56:41,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:56:41,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:56:41,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:56:41,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:56:41,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:56:41,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:56:41,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:56:41,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:56:41,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:56:41,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:56:41,155 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-07 00:56:41,198 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:56:41,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:56:41,200 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:56:41,200 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:56:41,201 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:56:41,201 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:56:41,201 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:56:41,201 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:56:41,202 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:56:41,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:56:41,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:56:41,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:56:41,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:56:41,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:56:41,205 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:56:41,205 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 00:56:41,205 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 00:56:41,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:56:41,206 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:56:41,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:56:41,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:56:41,207 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 00:56:41,207 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:56:41,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:56:41,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:56:41,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:56:41,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:56:41,208 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 00:56:41,208 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 00:56:41,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:56:41,209 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:56:41,209 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:56:41,209 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec [2021-11-07 00:56:41,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:56:41,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:56:41,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:56:41,657 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:56:41,657 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:56:41,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-11-07 00:56:41,740 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8/data/70f530ca0/8f9b168da8014c4fbb02f1e73c44a2b6/FLAGa2d72257b [2021-11-07 00:56:42,690 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:56:42,692 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-11-07 00:56:42,731 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8/data/70f530ca0/8f9b168da8014c4fbb02f1e73c44a2b6/FLAGa2d72257b [2021-11-07 00:56:43,220 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e6d1d5-c7e0-4477-85fc-fdcd27087acb/bin/utaipan-UUZaoUuFF8/data/70f530ca0/8f9b168da8014c4fbb02f1e73c44a2b6 [2021-11-07 00:56:43,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:56:43,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:56:43,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:56:43,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:56:43,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:56:43,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:56:43" (1/1) ... [2021-11-07 00:56:43,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b01ef29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:56:43, skipping insertion in model container [2021-11-07 00:56:43,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:56:43" (1/1) ... [2021-11-07 00:56:43,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:56:43,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:56:44,729 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-07 00:56:44,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@356ac5aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:56:44, skipping insertion in model container [2021-11-07 00:56:44,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:56:44,731 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 00:56:44,734 INFO L168 Benchmark]: Toolchain (without parser) took 1507.88 ms. Allocated memory is still 65.0 MB. Free memory was 38.2 MB in the beginning and 30.3 MB in the end (delta: 7.9 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2021-11-07 00:56:44,735 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 65.0 MB. Free memory was 44.7 MB in the beginning and 44.6 MB in the end (delta: 50.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 00:56:44,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1505.48 ms. Allocated memory is still 65.0 MB. Free memory was 37.9 MB in the beginning and 30.3 MB in the end (delta: 7.6 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2021-11-07 00:56:44,739 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 65.0 MB. Free memory was 44.7 MB in the beginning and 44.6 MB in the end (delta: 50.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1505.48 ms. Allocated memory is still 65.0 MB. Free memory was 37.9 MB in the beginning and 30.3 MB in the end (delta: 7.6 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2334]: 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN