./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 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW/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_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 14:27:12,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:27:12,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:27:12,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:27:12,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:27:12,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:27:12,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:27:12,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:27:12,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:27:12,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:27:12,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:27:12,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:27:12,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:27:12,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:27:12,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:27:12,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:27:12,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:27:12,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:27:12,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:27:12,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:27:12,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:27:12,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:27:12,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:27:12,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:27:12,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:27:12,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:27:12,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:27:12,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:27:12,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:27:12,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:27:12,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:27:12,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:27:12,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:27:12,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:27:12,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:27:12,124 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:27:12,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:27:12,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:27:12,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:27:12,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:27:12,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:27:12,130 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 14:27:12,169 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:27:12,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:27:12,173 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:27:12,174 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:27:12,175 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:27:12,175 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:27:12,175 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:27:12,175 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:27:12,176 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:27:12,176 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:27:12,177 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:27:12,177 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:27:12,178 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:27:12,178 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:27:12,178 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:27:12,178 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:27:12,178 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:27:12,179 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:27:12,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:27:12,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:27:12,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:27:12,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:27:12,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:27:12,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:27:12,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:27:12,183 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:27:12,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:27:12,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:27:12,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:27:12,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:27:12,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:27:12,186 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:27:12,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:27:12,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:27:12,187 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:27:12,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:27:12,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:27:12,187 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:27:12,187 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_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec [2022-11-23 14:27:12,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:27:12,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:27:12,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:27:12,529 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:27:12,530 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:27:12,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2022-11-23 14:27:15,621 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:27:16,227 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:27:16,229 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2022-11-23 14:27:16,266 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW/data/da06d5d0f/4af5e3ea5f2444c693cd336f4d7fc729/FLAG4b08b969d [2022-11-23 14:27:16,289 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW/data/da06d5d0f/4af5e3ea5f2444c693cd336f4d7fc729 [2022-11-23 14:27:16,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:27:16,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:27:16,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:27:16,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:27:16,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:27:16,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:27:16" (1/1) ... [2022-11-23 14:27:16,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21e7950f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:27:16, skipping insertion in model container [2022-11-23 14:27:16,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:27:16" (1/1) ... [2022-11-23 14:27:16,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:27:16,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:27:17,767 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-23 14:27:17,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f0433fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:27:17, skipping insertion in model container [2022-11-23 14:27:17,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:27:17,769 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 14:27:17,771 INFO L158 Benchmark]: Toolchain (without parser) took 1473.50ms. Allocated memory is still 153.1MB. Free memory was 122.2MB in the beginning and 91.6MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-23 14:27:17,771 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:27:17,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1469.60ms. Allocated memory is still 153.1MB. Free memory was 122.2MB in the beginning and 91.6MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-23 14:27:17,773 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1469.60ms. Allocated memory is still 153.1MB. Free memory was 122.2MB in the beginning and 91.6MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW/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_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 14:27:20,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:27:20,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:27:20,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:27:20,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:27:20,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:27:20,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:27:20,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:27:20,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:27:20,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:27:20,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:27:20,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:27:20,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:27:20,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:27:20,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:27:20,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:27:20,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:27:20,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:27:20,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:27:20,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:27:20,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:27:20,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:27:20,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:27:20,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:27:20,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:27:20,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:27:20,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:27:20,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:27:20,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:27:20,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:27:20,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:27:20,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:27:20,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:27:20,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:27:20,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:27:20,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:27:20,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:27:20,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:27:20,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:27:20,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:27:20,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:27:20,212 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-23 14:27:20,241 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:27:20,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:27:20,241 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:27:20,242 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:27:20,242 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:27:20,243 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:27:20,243 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:27:20,243 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:27:20,243 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:27:20,243 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:27:20,244 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:27:20,244 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:27:20,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:27:20,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:27:20,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:27:20,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:27:20,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:27:20,246 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 14:27:20,246 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 14:27:20,246 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 14:27:20,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:27:20,247 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:27:20,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:27:20,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:27:20,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 14:27:20,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:27:20,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:27:20,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:27:20,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:27:20,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:27:20,249 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 14:27:20,249 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 14:27:20,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:27:20,249 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:27:20,250 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 14:27:20,250 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_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec [2022-11-23 14:27:20,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:27:20,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:27:20,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:27:20,670 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:27:20,671 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:27:20,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2022-11-23 14:27:23,959 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:27:24,503 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:27:24,503 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2022-11-23 14:27:24,541 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW/data/6b57a06cc/2f2b5e215867456892ed811a9014d4da/FLAGf885749d2 [2022-11-23 14:27:24,563 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94e71d7-0b26-4cf9-9b4d-dd2963e7b429/bin/utaipan-Q6hlc19bkW/data/6b57a06cc/2f2b5e215867456892ed811a9014d4da [2022-11-23 14:27:24,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:27:24,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:27:24,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:27:24,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:27:24,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:27:24,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:27:24" (1/1) ... [2022-11-23 14:27:24,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3290b79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:27:24, skipping insertion in model container [2022-11-23 14:27:24,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:27:24" (1/1) ... [2022-11-23 14:27:24,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:27:24,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:27:26,068 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-23 14:27:26,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2fdbddfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:27:26, skipping insertion in model container [2022-11-23 14:27:26,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:27:26,073 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 14:27:26,075 INFO L158 Benchmark]: Toolchain (without parser) took 1504.26ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 47.9MB in the beginning and 61.2MB in the end (delta: -13.4MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-11-23 14:27:26,076 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 75.5MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:27:26,078 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1497.86ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 47.6MB in the beginning and 61.2MB in the end (delta: -13.6MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-11-23 14:27:26,080 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 75.5MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1497.86ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 47.6MB in the beginning and 61.2MB in the end (delta: -13.6MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * 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