./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 da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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-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 /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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --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/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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-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 /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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --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 0.1.24-da95e15 [2019-11-27 10:52:24,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:52:24,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:52:24,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:52:24,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:52:24,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:52:24,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:52:24,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:52:24,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:52:24,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:52:24,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:52:24,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:52:24,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:52:24,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:52:24,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:52:24,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:52:24,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:52:24,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:52:24,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:52:24,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:52:25,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:52:25,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:52:25,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:52:25,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:52:25,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:52:25,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:52:25,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:52:25,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:52:25,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:52:25,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:52:25,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:52:25,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:52:25,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:52:25,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:52:25,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:52:25,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:52:25,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:52:25,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:52:25,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:52:25,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:52:25,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:52:25,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-27 10:52:25,110 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:52:25,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:52:25,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:52:25,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:52:25,117 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:52:25,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:52:25,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 10:52:25,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:52:25,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:52:25,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:52:25,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:52:25,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:52:25,124 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:52:25,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:52:25,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:52:25,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:52:25,127 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:52:25,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:52:25,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:52:25,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:52:25,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:52:25,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:52:25,132 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 10:52:25,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 10:52:25,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:52:25,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:52:25,134 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 -> /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(__VERIFIER_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 -> 189dd2627829ca434b6d44de0e3f42419a4d1dcd [2019-11-27 10:52:25,887 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:52:25,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:52:25,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:52:25,930 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:52:25,932 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:52:25,936 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point.cil.out.i [2019-11-27 10:52:26,106 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ea73fe1b/2100befc4a2048f8b77881bf48e6f374/FLAG5cac7e634 [2019-11-27 10:52:29,564 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:52:29,567 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point.cil.out.i [2019-11-27 10:52:29,874 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ea73fe1b/2100befc4a2048f8b77881bf48e6f374/FLAG5cac7e634 [2019-11-27 10:52:29,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ea73fe1b/2100befc4a2048f8b77881bf48e6f374 [2019-11-27 10:52:29,923 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:52:29,928 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:52:29,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:52:29,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:52:29,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:52:29,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:52:29" (1/1) ... [2019-11-27 10:52:29,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c123ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:52:29, skipping insertion in model container [2019-11-27 10:52:29,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:52:29" (1/1) ... [2019-11-27 10:52:29,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:52:31,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:52:47,140 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 [2019-11-27 10:52:47,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50aa0ba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:52:47, skipping insertion in model container [2019-11-27 10:52:47,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:52:47,146 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-27 10:52:47,158 INFO L168 Benchmark]: Toolchain (without parser) took 17223.00 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 904.2 MB in the beginning and 931.6 MB in the end (delta: -27.4 MB). Peak memory consumption was 242.6 MB. Max. memory is 12.5 GB. [2019-11-27 10:52:47,159 INFO L168 Benchmark]: CDTParser took 0.98 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:52:47,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 17206.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 904.2 MB in the beginning and 931.6 MB in the end (delta: -27.4 MB). Peak memory consumption was 242.6 MB. Max. memory is 12.5 GB. [2019-11-27 10:52:47,169 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 17206.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 904.2 MB in the beginning and 931.6 MB in the end (delta: -27.4 MB). Peak memory consumption was 242.6 MB. Max. memory is 12.5 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 0.1.24-da95e15 [2019-11-27 10:52:51,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 10:52:51,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 10:52:51,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 10:52:51,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 10:52:51,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 10:52:51,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 10:52:51,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 10:52:51,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 10:52:51,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 10:52:51,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 10:52:51,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 10:52:51,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 10:52:51,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 10:52:51,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 10:52:51,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 10:52:51,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 10:52:51,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 10:52:51,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 10:52:51,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 10:52:51,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 10:52:51,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 10:52:51,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 10:52:51,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 10:52:51,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 10:52:51,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 10:52:51,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 10:52:51,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 10:52:51,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 10:52:51,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 10:52:51,550 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 10:52:51,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 10:52:51,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 10:52:51,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 10:52:51,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 10:52:51,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 10:52:51,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 10:52:51,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 10:52:51,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 10:52:51,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 10:52:51,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 10:52:51,575 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-11-27 10:52:51,617 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 10:52:51,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 10:52:51,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 10:52:51,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 10:52:51,625 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 10:52:51,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 10:52:51,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 10:52:51,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 10:52:51,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 10:52:51,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 10:52:51,631 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 10:52:51,631 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 10:52:51,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 10:52:51,632 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 10:52:51,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 10:52:51,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 10:52:51,633 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 10:52:51,635 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 10:52:51,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 10:52:51,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 10:52:51,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 10:52:51,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 10:52:51,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 10:52:51,639 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 10:52:51,639 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 10:52:51,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 10:52:51,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 10:52:51,641 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-11-27 10:52:51,641 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 -> /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(__VERIFIER_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 -> 189dd2627829ca434b6d44de0e3f42419a4d1dcd [2019-11-27 10:52:52,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 10:52:52,222 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 10:52:52,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 10:52:52,233 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 10:52:52,235 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 10:52:52,237 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../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 [2019-11-27 10:52:52,392 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7066a6a3/b112877024194e57a8f35d11e83b8629/FLAGd4fbd8049 [2019-11-27 10:52:55,414 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 10:52:55,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/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 [2019-11-27 10:52:55,793 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7066a6a3/b112877024194e57a8f35d11e83b8629/FLAGd4fbd8049 [2019-11-27 10:52:56,184 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7066a6a3/b112877024194e57a8f35d11e83b8629 [2019-11-27 10:52:56,194 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 10:52:56,198 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 10:52:56,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 10:52:56,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 10:52:56,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 10:52:56,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:52:56" (1/1) ... [2019-11-27 10:52:56,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a273c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:52:56, skipping insertion in model container [2019-11-27 10:52:56,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:52:56" (1/1) ... [2019-11-27 10:52:56,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 10:52:57,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 10:53:14,369 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 [2019-11-27 10:53:14,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@188ebe30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:53:14, skipping insertion in model container [2019-11-27 10:53:14,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 10:53:14,375 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-27 10:53:14,386 INFO L168 Benchmark]: Toolchain (without parser) took 18183.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 897.0 MB in the beginning and 919.1 MB in the end (delta: -22.0 MB). Peak memory consumption was 235.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:53:14,389 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 10:53:14,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 18169.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 897.0 MB in the beginning and 919.1 MB in the end (delta: -22.0 MB). Peak memory consumption was 235.1 MB. Max. memory is 12.5 GB. [2019-11-27 10:53:14,399 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 18169.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 897.0 MB in the beginning and 919.1 MB in the end (delta: -22.0 MB). Peak memory consumption was 235.1 MB. Max. memory is 12.5 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...