./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/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_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 189dd2627829ca434b6d44de0e3f42419a4d1dcd ........................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/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_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 189dd2627829ca434b6d44de0e3f42419a4d1dcd ............................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 01:43:18,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 01:43:18,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 01:43:18,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 01:43:18,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 01:43:18,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 01:43:18,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 01:43:18,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 01:43:18,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 01:43:18,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 01:43:18,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 01:43:18,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 01:43:18,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 01:43:18,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 01:43:18,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 01:43:18,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 01:43:18,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 01:43:18,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 01:43:18,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 01:43:18,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 01:43:18,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 01:43:18,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 01:43:18,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 01:43:18,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 01:43:18,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 01:43:18,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 01:43:18,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 01:43:18,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 01:43:18,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 01:43:18,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 01:43:18,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 01:43:18,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 01:43:18,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 01:43:18,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 01:43:18,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 01:43:18,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 01:43:18,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 01:43:18,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 01:43:18,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 01:43:18,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 01:43:18,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 01:43:18,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2019-12-02 01:43:18,832 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 01:43:18,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 01:43:18,833 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 01:43:18,833 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 01:43:18,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 01:43:18,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 01:43:18,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 01:43:18,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 01:43:18,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 01:43:18,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 01:43:18,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 01:43:18,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 01:43:18,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 01:43:18,835 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 01:43:18,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 01:43:18,836 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 01:43:18,836 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 01:43:18,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 01:43:18,836 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 01:43:18,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 01:43:18,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 01:43:18,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 01:43:18,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 01:43:18,837 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 01:43:18,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 01:43:18,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 01:43:18,838 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-02 01:43:18,838 INFO L138 SettingsManager]: * To the following directory=dump/ 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_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/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(__VERIFIER_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 -> 189dd2627829ca434b6d44de0e3f42419a4d1dcd [2019-12-02 01:43:18,941 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 01:43:18,949 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 01:43:18,952 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 01:43:18,953 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 01:43:18,953 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 01:43:18,954 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/bin/ukojak/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point.cil.out.i [2019-12-02 01:43:18,992 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/bin/ukojak/data/08993c325/4e1d958625d74c00b4a4b41767ac343b/FLAGa3cd7b494 [2019-12-02 01:43:19,921 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 01:43:19,922 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point.cil.out.i [2019-12-02 01:43:19,999 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/bin/ukojak/data/08993c325/4e1d958625d74c00b4a4b41767ac343b/FLAGa3cd7b494 [2019-12-02 01:43:20,023 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/bin/ukojak/data/08993c325/4e1d958625d74c00b4a4b41767ac343b [2019-12-02 01:43:20,025 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 01:43:20,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 01:43:20,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 01:43:20,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 01:43:20,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 01:43:20,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:43:20" (1/1) ... [2019-12-02 01:43:20,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a027d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:43:20, skipping insertion in model container [2019-12-02 01:43:20,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:43:20" (1/1) ... [2019-12-02 01:43:20,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 01:43:20,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 01:43:27,411 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 [2019-12-02 01:43:27,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ff75fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:43:27, skipping insertion in model container [2019-12-02 01:43:27,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 01:43:27,412 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-02 01:43:27,414 INFO L168 Benchmark]: Toolchain (without parser) took 7386.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 873.6 MB in the beginning and 1.0 GB in the end (delta: -156.3 MB). Peak memory consumption was 194.6 MB. Max. memory is 11.5 GB. [2019-12-02 01:43:27,415 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 01:43:27,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7385.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 873.6 MB in the beginning and 1.0 GB in the end (delta: -156.3 MB). Peak memory consumption was 194.6 MB. Max. memory is 11.5 GB. [2019-12-02 01:43:27,417 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 7385.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 873.6 MB in the beginning and 1.0 GB in the end (delta: -156.3 MB). Peak memory consumption was 194.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 19674]: 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 0.1.25-f470102 [2019-12-02 01:43:28,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 01:43:28,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 01:43:28,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 01:43:28,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 01:43:28,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 01:43:28,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 01:43:28,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 01:43:28,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 01:43:28,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 01:43:28,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 01:43:28,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 01:43:28,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 01:43:28,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 01:43:28,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 01:43:28,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 01:43:28,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 01:43:28,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 01:43:28,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 01:43:28,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 01:43:28,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 01:43:28,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 01:43:28,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 01:43:28,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 01:43:28,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 01:43:28,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 01:43:28,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 01:43:28,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 01:43:28,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 01:43:28,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 01:43:28,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 01:43:28,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 01:43:28,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 01:43:28,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 01:43:28,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 01:43:28,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 01:43:28,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 01:43:28,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 01:43:28,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 01:43:28,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 01:43:28,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 01:43:28,602 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2019-12-02 01:43:28,612 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 01:43:28,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 01:43:28,613 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 01:43:28,613 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 01:43:28,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 01:43:28,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 01:43:28,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 01:43:28,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 01:43:28,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 01:43:28,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 01:43:28,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 01:43:28,614 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-02 01:43:28,614 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-02 01:43:28,614 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-02 01:43:28,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 01:43:28,615 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 01:43:28,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 01:43:28,615 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 01:43:28,615 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 01:43:28,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 01:43:28,615 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 01:43:28,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 01:43:28,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 01:43:28,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 01:43:28,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 01:43:28,616 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-02 01:43:28,616 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-02 01:43:28,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 01:43:28,616 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-12-02 01:43:28,616 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-02 01:43:28,617 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-12-02 01:43:28,617 INFO L138 SettingsManager]: * To the following directory=dump/ 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_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/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(__VERIFIER_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 -> 189dd2627829ca434b6d44de0e3f42419a4d1dcd [2019-12-02 01:43:28,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 01:43:28,789 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 01:43:28,791 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 01:43:28,792 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 01:43:28,793 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 01:43:28,793 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/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 [2019-12-02 01:43:28,833 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/bin/ukojak/data/3d299012f/7a370032d86340c48aaf461eca8c5320/FLAGb061b45c7 [2019-12-02 01:43:29,710 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 01:43:29,711 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/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 [2019-12-02 01:43:29,786 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/bin/ukojak/data/3d299012f/7a370032d86340c48aaf461eca8c5320/FLAGb061b45c7 [2019-12-02 01:43:29,859 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5d252f5f-3f63-4c0c-bcb3-d9d66f9bf8ee/bin/ukojak/data/3d299012f/7a370032d86340c48aaf461eca8c5320 [2019-12-02 01:43:29,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 01:43:29,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 01:43:29,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 01:43:29,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 01:43:29,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 01:43:29,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:43:29" (1/1) ... [2019-12-02 01:43:29,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b2df62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:43:29, skipping insertion in model container [2019-12-02 01:43:29,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:43:29" (1/1) ... [2019-12-02 01:43:29,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 01:43:30,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 01:43:37,667 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 [2019-12-02 01:43:37,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5bd5bdf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:43:37, skipping insertion in model container [2019-12-02 01:43:37,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 01:43:37,668 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-02 01:43:37,670 INFO L168 Benchmark]: Toolchain (without parser) took 7806.80 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 288.4 MB). Free memory was 887.6 MB in the beginning and 948.4 MB in the end (delta: -60.7 MB). Peak memory consumption was 265.6 MB. Max. memory is 11.5 GB. [2019-12-02 01:43:37,670 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 01:43:37,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7804.94 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 288.4 MB). Free memory was 887.6 MB in the beginning and 948.4 MB in the end (delta: -60.7 MB). Peak memory consumption was 265.6 MB. Max. memory is 11.5 GB. [2019-12-02 01:43:37,672 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 7804.94 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 288.4 MB). Free memory was 887.6 MB in the beginning and 948.4 MB in the end (delta: -60.7 MB). Peak memory consumption was 265.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 19674]: 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...