./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_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer/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 /tmp/vcloud-vcloud-master/worker/run_dir_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer --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/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer/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 /tmp/vcloud-vcloud-master/worker/run_dir_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer --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 0.1.25-f470102 [2019-12-07 10:07:33,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:07:33,303 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:07:33,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:07:33,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:07:33,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:07:33,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:07:33,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:07:33,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:07:33,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:07:33,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:07:33,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:07:33,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:07:33,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:07:33,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:07:33,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:07:33,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:07:33,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:07:33,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:07:33,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:07:33,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:07:33,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:07:33,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:07:33,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:07:33,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:07:33,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:07:33,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:07:33,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:07:33,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:07:33,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:07:33,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:07:33,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:07:33,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:07:33,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:07:33,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:07:33,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:07:33,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:07:33,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:07:33,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:07:33,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:07:33,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:07:33,345 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-12-07 10:07:33,356 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:07:33,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:07:33,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:07:33,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:07:33,358 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:07:33,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:07:33,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:07:33,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:07:33,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:07:33,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:07:33,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:07:33,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:07:33,360 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:07:33,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:07:33,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:07:33,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:07:33,360 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:07:33,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:07:33,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:07:33,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:07:33,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:07:33,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:07:33,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:07:33,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:07:33,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:07:33,362 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:07:33,362 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:07:33,363 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_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer 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 [2019-12-07 10:07:33,486 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:07:33,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:07:33,499 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:07:33,500 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:07:33,501 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:07:33,501 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point.cil.out.i [2019-12-07 10:07:33,548 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer/data/ffb75f01d/9c20faff254742679fc94da1d12f68b7/FLAG3b019b54f [2019-12-07 10:07:34,371 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:07:34,371 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0b507ca6-0fa3-458a-8b3f-e947af7771c3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point.cil.out.i [2019-12-07 10:07:34,438 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer/data/ffb75f01d/9c20faff254742679fc94da1d12f68b7/FLAG3b019b54f [2019-12-07 10:07:34,825 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer/data/ffb75f01d/9c20faff254742679fc94da1d12f68b7 [2019-12-07 10:07:34,828 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:07:34,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:07:34,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:07:34,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:07:34,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:07:34,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:07:34" (1/1) ... [2019-12-07 10:07:34,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f9f44e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:34, skipping insertion in model container [2019-12-07 10:07:34,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:07:34" (1/1) ... [2019-12-07 10:07:34,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:07:35,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:07:42,120 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 [2019-12-07 10:07:42,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57bbd504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:42, skipping insertion in model container [2019-12-07 10:07:42,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:07:42,121 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 10:07:42,124 INFO L168 Benchmark]: Toolchain (without parser) took 7292.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 882.6 MB in the beginning and 1.0 GB in the end (delta: -149.9 MB). Peak memory consumption was 203.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:07:42,124 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:07:42,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7290.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 882.6 MB in the beginning and 1.0 GB in the end (delta: -149.9 MB). Peak memory consumption was 203.5 MB. Max. memory is 11.5 GB. [2019-12-07 10:07:42,126 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 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 7290.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 882.6 MB in the beginning and 1.0 GB in the end (delta: -149.9 MB). Peak memory consumption was 203.5 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 [2019-12-07 10:07:43,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:07:43,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:07:43,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:07:43,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:07:43,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:07:43,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:07:43,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:07:43,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:07:43,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:07:43,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:07:43,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:07:43,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:07:43,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:07:43,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:07:43,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:07:43,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:07:43,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:07:43,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:07:43,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:07:43,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:07:43,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:07:43,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:07:43,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:07:43,254 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:07:43,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:07:43,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:07:43,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:07:43,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:07:43,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:07:43,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:07:43,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:07:43,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:07:43,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:07:43,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:07:43,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:07:43,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:07:43,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:07:43,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:07:43,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:07:43,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:07:43,261 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2019-12-07 10:07:43,270 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:07:43,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:07:43,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:07:43,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:07:43,272 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:07:43,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:07:43,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:07:43,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 10:07:43,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:07:43,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 10:07:43,272 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 10:07:43,273 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 10:07:43,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:07:43,273 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:07:43,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 10:07:43,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:07:43,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:07:43,273 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:07:43,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:07:43,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:07:43,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:07:43,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:07:43,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 10:07:43,274 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 10:07:43,274 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 10:07:43,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 10:07:43,275 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:07:43,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 10:07:43,275 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2019-12-07 10:07:43,275 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_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer 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 [2019-12-07 10:07:43,441 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:07:43,452 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:07:43,454 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:07:43,456 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:07:43,456 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:07:43,457 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer/../../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 [2019-12-07 10:07:43,504 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer/data/28d9b8f79/09efe46c36c340cf88142fde81ae8bb1/FLAG6f9540cd8 [2019-12-07 10:07:44,348 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:07:44,349 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0b507ca6-0fa3-458a-8b3f-e947af7771c3/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 [2019-12-07 10:07:44,426 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer/data/28d9b8f79/09efe46c36c340cf88142fde81ae8bb1/FLAG6f9540cd8 [2019-12-07 10:07:44,778 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0b507ca6-0fa3-458a-8b3f-e947af7771c3/bin/uautomizer/data/28d9b8f79/09efe46c36c340cf88142fde81ae8bb1 [2019-12-07 10:07:44,781 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:07:44,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:07:44,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:07:44,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:07:44,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:07:44,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:07:44" (1/1) ... [2019-12-07 10:07:44,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a9c3486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:44, skipping insertion in model container [2019-12-07 10:07:44,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:07:44" (1/1) ... [2019-12-07 10:07:44,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:07:45,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:07:52,434 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 [2019-12-07 10:07:52,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e9589e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:07:52, skipping insertion in model container [2019-12-07 10:07:52,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:07:52,435 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 10:07:52,437 INFO L168 Benchmark]: Toolchain (without parser) took 7654.81 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 271.6 MB). Free memory was 887.6 MB in the beginning and 944.2 MB in the end (delta: -56.7 MB). Peak memory consumption was 252.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:07:52,438 INFO L168 Benchmark]: CDTParser took 0.21 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. [2019-12-07 10:07:52,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 7652.27 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 271.6 MB). Free memory was 887.6 MB in the beginning and 944.2 MB in the end (delta: -56.7 MB). Peak memory consumption was 252.8 MB. Max. memory is 11.5 GB. [2019-12-07 10:07:52,439 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 7652.27 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 271.6 MB). Free memory was 887.6 MB in the beginning and 944.2 MB in the end (delta: -56.7 MB). Peak memory consumption was 252.8 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...