./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b6a935de7e2ae435e75b9e0e0c0d2ca1f5bb3adf .............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b6a935de7e2ae435e75b9e0e0c0d2ca1f5bb3adf .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:56:13,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:56:13,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:56:13,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:56:13,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:56:13,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:56:13,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:56:13,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:56:13,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:56:13,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:56:13,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:56:13,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:56:13,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:56:13,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:56:13,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:56:13,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:56:13,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:56:13,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:56:13,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:56:13,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:56:13,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:56:13,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:56:13,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:56:13,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:56:13,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:56:13,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:56:13,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:56:13,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:56:13,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:56:13,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:56:13,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:56:13,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:56:13,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:56:13,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:56:13,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:56:13,387 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:56:13,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:56:13,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:56:13,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:56:13,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:56:13,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:56:13,390 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2020-11-29 23:56:13,412 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:56:13,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:56:13,413 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 23:56:13,413 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 23:56:13,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:56:13,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:56:13,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:56:13,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:56:13,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:56:13,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:56:13,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:56:13,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:56:13,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:56:13,416 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:56:13,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:56:13,417 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 23:56:13,417 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 23:56:13,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:56:13,419 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:56:13,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:56:13,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:56:13,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:56:13,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:56:13,420 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 23:56:13,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:56:13,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:56:13,421 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 23:56:13,421 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:/tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6a935de7e2ae435e75b9e0e0c0d2ca1f5bb3adf [2020-11-29 23:56:13,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:56:13,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:56:13,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:56:13,713 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:56:13,715 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:56:13,716 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point.cil.out.i [2020-11-29 23:56:13,786 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak/data/998e33b89/efd9a0fb4e1d49b185da77753511dc5a/FLAGdb27543bc [2020-11-29 23:56:15,520 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:56:15,520 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point.cil.out.i [2020-11-29 23:56:15,679 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak/data/998e33b89/efd9a0fb4e1d49b185da77753511dc5a/FLAGdb27543bc [2020-11-29 23:56:16,117 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak/data/998e33b89/efd9a0fb4e1d49b185da77753511dc5a [2020-11-29 23:56:16,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:56:16,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:56:16,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:56:16,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:56:16,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:56:16,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:56:16" (1/1) ... [2020-11-29 23:56:16,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7933e16e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:16, skipping insertion in model container [2020-11-29 23:56:16,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:56:16" (1/1) ... [2020-11-29 23:56:16,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:56:16,755 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:56:27,167 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: iscsi_change_param_sprintf [2020-11-29 23:56:27,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18fa1e5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:27, skipping insertion in model container [2020-11-29 23:56:27,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:56:27,168 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-29 23:56:27,171 INFO L168 Benchmark]: Toolchain (without parser) took 11048.00 ms. Allocated memory was 130.0 MB in the beginning and 314.6 MB in the end (delta: 184.5 MB). Free memory was 80.9 MB in the beginning and 212.6 MB in the end (delta: -131.6 MB). Peak memory consumption was 99.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:56:27,172 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory is still 58.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:56:27,173 INFO L168 Benchmark]: CACSL2BoogieTranslator took 11045.55 ms. Allocated memory was 130.0 MB in the beginning and 314.6 MB in the end (delta: 184.5 MB). Free memory was 80.9 MB in the beginning and 212.6 MB in the end (delta: -131.6 MB). Peak memory consumption was 99.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:56:27,174 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 98.6 MB. Free memory is still 58.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 11045.55 ms. Allocated memory was 130.0 MB in the beginning and 314.6 MB in the end (delta: 184.5 MB). Free memory was 80.9 MB in the beginning and 212.6 MB in the end (delta: -131.6 MB). Peak memory consumption was 99.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 19692]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: iscsi_change_param_sprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:56:29,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:56:29,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:56:29,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:56:29,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:56:29,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:56:29,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:56:29,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:56:29,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:56:29,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:56:29,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:56:29,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:56:29,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:56:29,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:56:29,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:56:29,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:56:29,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:56:29,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:56:29,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:56:29,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:56:29,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:56:29,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:56:29,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:56:29,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:56:29,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:56:29,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:56:29,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:56:29,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:56:29,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:56:29,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:56:29,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:56:29,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:56:29,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:56:29,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:56:29,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:56:29,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:56:29,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:56:29,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:56:29,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:56:29,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:56:29,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:56:29,565 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2020-11-29 23:56:29,593 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:56:29,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:56:29,595 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 23:56:29,595 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 23:56:29,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:56:29,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:56:29,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:56:29,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:56:29,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:56:29,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:56:29,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:56:29,597 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-29 23:56:29,598 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 23:56:29,598 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 23:56:29,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:56:29,598 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:56:29,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:56:29,599 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 23:56:29,599 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 23:56:29,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:56:29,599 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:56:29,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:56:29,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:56:29,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:56:29,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:56:29,600 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-29 23:56:29,600 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 23:56:29,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:56:29,601 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-29 23:56:29,601 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 23:56:29,601 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2020-11-29 23:56:29,602 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:/tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6a935de7e2ae435e75b9e0e0c0d2ca1f5bb3adf [2020-11-29 23:56:29,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:56:30,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:56:30,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:56:30,006 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:56:30,007 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:56:30,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point.cil.out.i [2020-11-29 23:56:30,082 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak/data/86e0151d5/42b1b8e3b0484133aee9307bbe3179c4/FLAG4daea961f [2020-11-29 23:56:31,924 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:56:31,926 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point.cil.out.i [2020-11-29 23:56:32,198 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak/data/86e0151d5/42b1b8e3b0484133aee9307bbe3179c4/FLAG4daea961f [2020-11-29 23:56:32,440 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_581deefb-a046-4ca7-b2a4-2b6a8ac58524/bin/ukojak/data/86e0151d5/42b1b8e3b0484133aee9307bbe3179c4 [2020-11-29 23:56:32,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:56:32,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:56:32,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:56:32,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:56:32,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:56:32,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:56:32" (1/1) ... [2020-11-29 23:56:32,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@480fdafc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:32, skipping insertion in model container [2020-11-29 23:56:32,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:56:32" (1/1) ... [2020-11-29 23:56:32,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:56:32,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:56:44,173 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: iscsi_change_param_sprintf [2020-11-29 23:56:44,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@150ac1d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:44, skipping insertion in model container [2020-11-29 23:56:44,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:56:44,175 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-29 23:56:44,179 INFO L168 Benchmark]: Toolchain (without parser) took 11733.13 ms. Allocated memory was 86.0 MB in the beginning and 253.8 MB in the end (delta: 167.8 MB). Free memory was 30.3 MB in the beginning and 138.1 MB in the end (delta: -107.8 MB). Peak memory consumption was 112.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:56:44,181 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 62.9 MB. Free memory is still 45.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:56:44,183 INFO L168 Benchmark]: CACSL2BoogieTranslator took 11730.41 ms. Allocated memory was 86.0 MB in the beginning and 253.8 MB in the end (delta: 167.8 MB). Free memory was 30.0 MB in the beginning and 138.1 MB in the end (delta: -108.1 MB). Peak memory consumption was 112.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:56:44,186 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 62.9 MB. Free memory is still 45.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 11730.41 ms. Allocated memory was 86.0 MB in the beginning and 253.8 MB in the end (delta: 167.8 MB). Free memory was 30.0 MB in the beginning and 138.1 MB in the end (delta: -108.1 MB). Peak memory consumption was 112.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 19692]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: iscsi_change_param_sprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...