./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs --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 59efbe18b93ca6a5964cc2c7e37460a10acde145058269d5fa0e5c9a5026751d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:30:43,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:30:43,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:30:43,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:30:43,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:30:43,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:30:43,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:30:43,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:30:43,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:30:43,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:30:43,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:30:43,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:30:43,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:30:43,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:30:43,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:30:43,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:30:43,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:30:43,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:30:43,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:30:43,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:30:43,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:30:43,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:30:43,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:30:43,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:30:43,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:30:43,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:30:43,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:30:43,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:30:43,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:30:43,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:30:43,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:30:43,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:30:43,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:30:43,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:30:43,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:30:43,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:30:43,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:30:43,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:30:43,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:30:43,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:30:43,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:30:43,646 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:30:43,708 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:30:43,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:30:43,710 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:30:43,710 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:30:43,711 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:30:43,711 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:30:43,711 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:30:43,712 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:30:43,720 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:30:43,720 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:30:43,721 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:30:43,722 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:30:43,722 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:30:43,722 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:30:43,723 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:30:43,723 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:30:43,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:30:43,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:30:43,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:30:43,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:30:43,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:30:43,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:30:43,726 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:30:43,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:30:43,726 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:30:43,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:30:43,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:30:43,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:30:43,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:30:43,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:30:43,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:30:43,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:30:43,731 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:30:43,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:30:43,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:30:43,732 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:30:43,732 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:30:43,732 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_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59efbe18b93ca6a5964cc2c7e37460a10acde145058269d5fa0e5c9a5026751d [2021-11-19 14:30:44,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:30:44,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:30:44,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:30:44,131 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:30:44,132 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:30:44,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-19 14:30:44,209 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs/data/e9ada0aa3/fbd7538af3e841f3945615c1a87eedba/FLAG71894dbb7 [2021-11-19 14:30:45,856 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:30:45,857 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-19 14:30:46,013 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs/data/e9ada0aa3/fbd7538af3e841f3945615c1a87eedba/FLAG71894dbb7 [2021-11-19 14:30:46,134 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs/data/e9ada0aa3/fbd7538af3e841f3945615c1a87eedba [2021-11-19 14:30:46,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:30:46,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:30:46,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:30:46,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:30:46,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:30:46,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:30:46" (1/1) ... [2021-11-19 14:30:46,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60777ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:46, skipping insertion in model container [2021-11-19 14:30:46,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:30:46" (1/1) ... [2021-11-19 14:30:46,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:30:46,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:30:53,773 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:53,788 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:53,789 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:53,792 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:53,903 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:53,904 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:53,905 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:53,909 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:53,910 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:53,911 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:53,912 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:53,929 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:53,930 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:53,933 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:54,481 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:54,482 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:55,484 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:55,506 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:55,509 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:55,535 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:55,541 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:30:55,791 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int [2021-11-19 14:30:55,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@13c92a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:30:55, skipping insertion in model container [2021-11-19 14:30:55,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:30:55,795 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:30:55,798 INFO L158 Benchmark]: Toolchain (without parser) took 9657.25ms. Allocated memory was 104.9MB in the beginning and 167.8MB in the end (delta: 62.9MB). Free memory was 57.2MB in the beginning and 72.5MB in the end (delta: -15.3MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. [2021-11-19 14:30:55,801 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 86.0MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:30:55,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 9654.01ms. Allocated memory was 104.9MB in the beginning and 167.8MB in the end (delta: 62.9MB). Free memory was 57.2MB in the beginning and 72.5MB in the end (delta: -15.3MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. [2021-11-19 14:30:55,804 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 86.0MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 9654.01ms. Allocated memory was 104.9MB in the beginning and 167.8MB in the end (delta: 62.9MB). Free memory was 57.2MB in the beginning and 72.5MB in the end (delta: -15.3MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15115]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int 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_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs --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 59efbe18b93ca6a5964cc2c7e37460a10acde145058269d5fa0e5c9a5026751d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:30:58,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:30:58,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:30:58,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:30:58,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:30:58,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:30:58,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:30:58,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:30:58,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:30:58,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:30:58,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:30:58,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:30:58,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:30:58,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:30:58,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:30:58,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:30:58,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:30:58,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:30:58,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:30:58,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:30:58,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:30:58,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:30:58,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:30:58,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:30:58,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:30:58,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:30:58,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:30:58,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:30:58,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:30:58,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:30:58,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:30:58,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:30:58,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:30:58,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:30:58,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:30:58,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:30:58,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:30:58,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:30:58,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:30:58,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:30:58,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:30:58,683 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:30:58,741 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:30:58,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:30:58,742 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:30:58,743 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:30:58,743 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:30:58,743 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:30:58,743 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:30:58,744 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:30:58,744 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:30:58,744 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:30:58,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:30:58,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:30:58,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:30:58,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:30:58,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:30:58,747 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:30:58,747 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:30:58,747 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:30:58,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:30:58,748 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:30:58,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:30:58,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:30:58,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:30:58,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:30:58,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:30:58,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:30:58,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:30:58,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:30:58,750 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:30:58,751 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:30:58,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:30:58,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:30:58,751 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:30:58,752 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_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59efbe18b93ca6a5964cc2c7e37460a10acde145058269d5fa0e5c9a5026751d [2021-11-19 14:30:59,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:30:59,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:30:59,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:30:59,314 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:30:59,315 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:30:59,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-19 14:30:59,403 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs/data/079b82a6a/6c6cdaf416244da5bc0bd1f30c4434c5/FLAG660b88a7e [2021-11-19 14:31:01,102 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:31:01,103 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2021-11-19 14:31:01,370 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs/data/079b82a6a/6c6cdaf416244da5bc0bd1f30c4434c5/FLAG660b88a7e [2021-11-19 14:31:01,834 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c963d76b-402c-4704-94ad-1ea4100446f9/bin/utaipan-UbGMyvGFUs/data/079b82a6a/6c6cdaf416244da5bc0bd1f30c4434c5 [2021-11-19 14:31:01,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:31:01,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:31:01,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:31:01,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:31:01,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:31:01,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:31:01" (1/1) ... [2021-11-19 14:31:01,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7298e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:01, skipping insertion in model container [2021-11-19 14:31:01,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:31:01" (1/1) ... [2021-11-19 14:31:01,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:31:02,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:31:11,217 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT [2021-11-19 14:31:11,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ebe938c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:31:11, skipping insertion in model container [2021-11-19 14:31:11,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:31:11,220 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:31:11,222 INFO L158 Benchmark]: Toolchain (without parser) took 9382.35ms. Allocated memory was 115.3MB in the beginning and 199.2MB in the end (delta: 83.9MB). Free memory was 75.0MB in the beginning and 120.6MB in the end (delta: -45.5MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2021-11-19 14:31:11,224 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 62.9MB. Free memory was 43.2MB in the beginning and 43.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:31:11,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 9379.21ms. Allocated memory was 115.3MB in the beginning and 199.2MB in the end (delta: 83.9MB). Free memory was 74.6MB in the beginning and 120.6MB in the end (delta: -45.9MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2021-11-19 14:31:11,227 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 62.9MB. Free memory was 43.2MB in the beginning and 43.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 9379.21ms. Allocated memory was 115.3MB in the beginning and 199.2MB in the end (delta: 83.9MB). Free memory was 74.6MB in the beginning and 120.6MB in the end (delta: -45.9MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15115]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT 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