./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 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 087f5c7675216216784da9a1af43af80d1a1b1b9 .............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 087f5c7675216216784da9a1af43af80d1a1b1b9 ................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 03:11:31,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 03:11:31,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 03:11:31,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 03:11:31,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 03:11:31,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 03:11:31,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 03:11:31,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 03:11:31,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 03:11:31,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 03:11:31,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 03:11:31,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 03:11:31,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 03:11:31,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 03:11:31,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 03:11:31,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 03:11:31,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 03:11:31,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 03:11:31,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 03:11:31,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 03:11:31,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 03:11:31,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 03:11:31,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 03:11:31,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 03:11:31,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 03:11:31,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 03:11:31,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 03:11:31,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 03:11:31,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 03:11:31,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 03:11:31,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 03:11:31,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 03:11:31,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 03:11:31,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 03:11:31,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 03:11:31,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 03:11:31,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 03:11:31,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 03:11:31,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 03:11:31,174 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 03:11:31,175 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 03:11:31,177 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-26 03:11:31,203 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 03:11:31,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 03:11:31,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 03:11:31,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 03:11:31,206 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 03:11:31,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 03:11:31,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 03:11:31,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 03:11:31,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 03:11:31,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 03:11:31,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 03:11:31,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 03:11:31,208 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 03:11:31,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 03:11:31,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 03:11:31,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 03:11:31,209 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 03:11:31,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 03:11:31,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 03:11:31,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 03:11:31,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 03:11:31,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 03:11:31,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 03:11:31,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 03:11:31,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 03:11:31,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 03:11:31,212 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-26 03:11:31,212 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 087f5c7675216216784da9a1af43af80d1a1b1b9 [2020-10-26 03:11:31,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 03:11:31,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 03:11:31,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 03:11:31,708 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 03:11:31,709 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 03:11:31,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2020-10-26 03:11:31,787 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56cb879cb/2577bdc0312d42d1adcb7fcfd76ed270/FLAG50c6cfb29 [2020-10-26 03:11:33,620 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 03:11:33,622 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2020-10-26 03:11:33,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56cb879cb/2577bdc0312d42d1adcb7fcfd76ed270/FLAG50c6cfb29 [2020-10-26 03:11:34,240 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56cb879cb/2577bdc0312d42d1adcb7fcfd76ed270 [2020-10-26 03:11:34,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 03:11:34,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 03:11:34,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 03:11:34,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 03:11:34,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 03:11:34,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:11:34" (1/1) ... [2020-10-26 03:11:34,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a39b6c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:11:34, skipping insertion in model container [2020-10-26 03:11:34,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:11:34" (1/1) ... [2020-10-26 03:11:34,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 03:11:34,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 03:11:42,136 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int [2020-10-26 03:11:42,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a7aee3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:11:42, skipping insertion in model container [2020-10-26 03:11:42,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 03:11:42,139 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-26 03:11:42,142 INFO L168 Benchmark]: Toolchain (without parser) took 7895.01 ms. Allocated memory was 90.2 MB in the beginning and 216.0 MB in the end (delta: 125.8 MB). Free memory was 43.5 MB in the beginning and 111.7 MB in the end (delta: -68.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 16.1 GB. [2020-10-26 03:11:42,144 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 41.9 MB. Free memory was 22.9 MB in the beginning and 22.8 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:11:42,145 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7886.44 ms. Allocated memory was 90.2 MB in the beginning and 216.0 MB in the end (delta: 125.8 MB). Free memory was 42.8 MB in the beginning and 111.7 MB in the end (delta: -68.9 MB). Peak memory consumption was 59.2 MB. Max. memory is 16.1 GB. [2020-10-26 03:11:42,148 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 41.9 MB. Free memory was 22.9 MB in the beginning and 22.8 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 7886.44 ms. Allocated memory was 90.2 MB in the beginning and 216.0 MB in the end (delta: 125.8 MB). Free memory was 42.8 MB in the beginning and 111.7 MB in the end (delta: -68.9 MB). Peak memory consumption was 59.2 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.0-5485861 [2020-10-26 03:11:44,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 03:11:44,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 03:11:44,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 03:11:44,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 03:11:44,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 03:11:44,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 03:11:44,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 03:11:44,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 03:11:44,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 03:11:44,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 03:11:44,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 03:11:44,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 03:11:44,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 03:11:44,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 03:11:44,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 03:11:44,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 03:11:44,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 03:11:44,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 03:11:44,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 03:11:44,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 03:11:44,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 03:11:44,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 03:11:44,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 03:11:44,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 03:11:44,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 03:11:44,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 03:11:44,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 03:11:44,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 03:11:44,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 03:11:44,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 03:11:44,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 03:11:44,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 03:11:44,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 03:11:44,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 03:11:44,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 03:11:44,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 03:11:44,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 03:11:44,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 03:11:44,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 03:11:44,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 03:11:44,634 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2020-10-26 03:11:44,677 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 03:11:44,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 03:11:44,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 03:11:44,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 03:11:44,682 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 03:11:44,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 03:11:44,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 03:11:44,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 03:11:44,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 03:11:44,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 03:11:44,684 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-26 03:11:44,685 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-26 03:11:44,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 03:11:44,685 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 03:11:44,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 03:11:44,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 03:11:44,687 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 03:11:44,688 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 03:11:44,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 03:11:44,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 03:11:44,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 03:11:44,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 03:11:44,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 03:11:44,689 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-26 03:11:44,690 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-26 03:11:44,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 03:11:44,690 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 03:11:44,690 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-26 03:11:44,691 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2020-10-26 03:11:44,691 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 087f5c7675216216784da9a1af43af80d1a1b1b9 [2020-10-26 03:11:45,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 03:11:45,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 03:11:45,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 03:11:45,221 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 03:11:45,223 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 03:11:45,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2020-10-26 03:11:45,327 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/759db34f5/4b558ee904c84785bb7502b7d1fab55e/FLAG7318faf61 [2020-10-26 03:11:47,137 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 03:11:47,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2020-10-26 03:11:47,263 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/759db34f5/4b558ee904c84785bb7502b7d1fab55e/FLAG7318faf61 [2020-10-26 03:11:47,292 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/759db34f5/4b558ee904c84785bb7502b7d1fab55e [2020-10-26 03:11:47,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 03:11:47,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 03:11:47,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 03:11:47,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 03:11:47,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 03:11:47,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:11:47" (1/1) ... [2020-10-26 03:11:47,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47b46504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:11:47, skipping insertion in model container [2020-10-26 03:11:47,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 03:11:47" (1/1) ... [2020-10-26 03:11:47,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 03:11:47,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 03:11:55,668 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~C_INTX~varArgs~~TO~C_INT [2020-10-26 03:11:55,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2094456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 03:11:55, skipping insertion in model container [2020-10-26 03:11:55,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 03:11:55,671 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-26 03:11:55,674 INFO L168 Benchmark]: Toolchain (without parser) took 8374.71 ms. Allocated memory was 79.7 MB in the beginning and 234.9 MB in the end (delta: 155.2 MB). Free memory was 33.7 MB in the beginning and 118.7 MB in the end (delta: -85.0 MB). Peak memory consumption was 72.3 MB. Max. memory is 16.1 GB. [2020-10-26 03:11:55,675 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 39.8 MB. Free memory is still 19.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 03:11:55,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 8366.14 ms. Allocated memory was 79.7 MB in the beginning and 234.9 MB in the end (delta: 155.2 MB). Free memory was 33.1 MB in the beginning and 118.7 MB in the end (delta: -85.6 MB). Peak memory consumption was 72.3 MB. Max. memory is 16.1 GB. [2020-10-26 03:11:55,679 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 39.8 MB. Free memory is still 19.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 8366.14 ms. Allocated memory was 79.7 MB in the beginning and 234.9 MB in the end (delta: 155.2 MB). Free memory was 33.1 MB in the beginning and 118.7 MB in the end (delta: -85.6 MB). Peak memory consumption was 72.3 MB. Max. memory is 16.1 GB. * 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...