./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/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_141f14c1-3678-435e-b181-1f95ddf354b0/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b6a935de7e2ae435e75b9e0e0c0d2ca1f5bb3adf .............................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/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_141f14c1-3678-435e-b181-1f95ddf354b0/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b6a935de7e2ae435e75b9e0e0c0d2ca1f5bb3adf ................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:58:40,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:58:40,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:58:40,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:58:40,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:58:40,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:58:40,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:58:40,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:58:40,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:58:40,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:58:40,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:58:40,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:58:40,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:58:40,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:58:40,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:58:40,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:58:40,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:58:40,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:58:40,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:58:40,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:58:40,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:58:40,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:58:40,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:58:40,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:58:40,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:58:40,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:58:40,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:58:40,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:58:40,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:58:40,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:58:40,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:58:40,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:58:40,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:58:40,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:58:40,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:58:40,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:58:40,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:58:40,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:58:40,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:58:40,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:58:40,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:58:40,652 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-11-29 23:58:40,702 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:58:40,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:58:40,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:58:40,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:58:40,706 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:58:40,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:58:40,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:58:40,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:58:40,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:58:40,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:58:40,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:58:40,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:58:40,710 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:58:40,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:58:40,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:58:40,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:58:40,712 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:58:40,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:58:40,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:58:40,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:58:40,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:58:40,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:58:40,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:58:40,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:58:40,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:58:40,714 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:58:40,715 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 23:58:40,715 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6a935de7e2ae435e75b9e0e0c0d2ca1f5bb3adf [2020-11-29 23:58:41,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:58:41,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:58:41,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:58:41,106 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:58:41,107 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:58:41,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/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 [2020-11-29 23:58:41,214 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/bin/uautomizer/data/4723882dc/6739868dc8fc499d837cdae474022889/FLAG40740faf4 [2020-11-29 23:58:43,006 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:58:43,008 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point.cil.out.i [2020-11-29 23:58:43,170 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/bin/uautomizer/data/4723882dc/6739868dc8fc499d837cdae474022889/FLAG40740faf4 [2020-11-29 23:58:43,615 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/bin/uautomizer/data/4723882dc/6739868dc8fc499d837cdae474022889 [2020-11-29 23:58:43,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:58:43,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:58:43,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:58:43,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:58:43,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:58:43,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:58:43" (1/1) ... [2020-11-29 23:58:43,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68b159e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:43, skipping insertion in model container [2020-11-29 23:58:43,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:58:43" (1/1) ... [2020-11-29 23:58:43,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:58:44,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:58:55,542 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: iscsi_change_param_sprintf [2020-11-29 23:58:55,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e3dedf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:55, skipping insertion in model container [2020-11-29 23:58:55,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:58:55,544 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-29 23:58:55,547 INFO L168 Benchmark]: Toolchain (without parser) took 11924.47 ms. Allocated memory was 107.0 MB in the beginning and 264.2 MB in the end (delta: 157.3 MB). Free memory was 46.7 MB in the beginning and 167.1 MB in the end (delta: -120.4 MB). Peak memory consumption was 116.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:55,548 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 81.8 MB. Free memory was 41.9 MB in the beginning and 41.8 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:58:55,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 11912.92 ms. Allocated memory was 107.0 MB in the beginning and 264.2 MB in the end (delta: 157.3 MB). Free memory was 46.5 MB in the beginning and 167.1 MB in the end (delta: -120.6 MB). Peak memory consumption was 116.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:55,551 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 ms. Allocated memory is still 81.8 MB. Free memory was 41.9 MB in the beginning and 41.8 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 11912.92 ms. Allocated memory was 107.0 MB in the beginning and 264.2 MB in the end (delta: 157.3 MB). Free memory was 46.5 MB in the beginning and 167.1 MB in the end (delta: -120.6 MB). Peak memory consumption was 116.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 19692]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: iscsi_change_param_sprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:58:58,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:58:58,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:58:58,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:58:58,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:58:58,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:58:58,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:58:58,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:58:58,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:58:58,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:58:58,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:58:58,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:58:58,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:58:58,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:58:58,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:58:58,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:58:58,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:58:58,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:58:58,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:58:58,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:58:58,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:58:58,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:58:58,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:58:58,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:58:58,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:58:58,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:58:58,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:58:58,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:58:58,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:58:58,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:58:58,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:58:58,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:58:58,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:58:58,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:58:58,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:58:58,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:58:58,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:58:58,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:58:58,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:58:58,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:58:58,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:58:58,893 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/bin/uautomizer/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2020-11-29 23:58:58,953 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:58:58,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:58:58,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:58:58,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:58:58,959 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:58:58,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:58:58,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:58:58,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:58:58,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:58:58,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:58:58,962 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 23:58:58,963 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 23:58:58,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:58:58,963 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:58:58,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:58:58,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:58:58,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:58:58,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:58:58,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:58:58,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:58:58,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:58:58,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:58:58,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:58:58,967 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 23:58:58,967 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 23:58:58,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:58:58,968 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:58:58,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 23:58:58,969 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2020-11-29 23:58:58,969 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6a935de7e2ae435e75b9e0e0c0d2ca1f5bb3adf [2020-11-29 23:58:59,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:58:59,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:58:59,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:58:59,574 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:58:59,576 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:58:59,577 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/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 [2020-11-29 23:58:59,689 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/bin/uautomizer/data/bb3c89ca3/d8df586f2cd643388953d203f9366b02/FLAGb09e68bec [2020-11-29 23:59:02,213 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:59:02,214 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--target--iscsi--iscsi_target_mod.ko-entry_point.cil.out.i [2020-11-29 23:59:02,437 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/bin/uautomizer/data/bb3c89ca3/d8df586f2cd643388953d203f9366b02/FLAGb09e68bec [2020-11-29 23:59:02,794 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_141f14c1-3678-435e-b181-1f95ddf354b0/bin/uautomizer/data/bb3c89ca3/d8df586f2cd643388953d203f9366b02 [2020-11-29 23:59:02,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:59:02,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:59:02,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:59:02,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:59:02,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:59:02,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:59:02" (1/1) ... [2020-11-29 23:59:02,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c8baf15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:02, skipping insertion in model container [2020-11-29 23:59:02,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:59:02" (1/1) ... [2020-11-29 23:59:02,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:59:03,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:59:17,047 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: iscsi_change_param_sprintf [2020-11-29 23:59:17,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78ebc8e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:17, skipping insertion in model container [2020-11-29 23:59:17,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:59:17,049 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-29 23:59:17,054 INFO L168 Benchmark]: Toolchain (without parser) took 14249.87 ms. Allocated memory was 134.2 MB in the beginning and 390.1 MB in the end (delta: 255.9 MB). Free memory was 73.7 MB in the beginning and 208.5 MB in the end (delta: -134.8 MB). Peak memory consumption was 138.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:59:17,056 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 56.6 MB. Free memory was 38.5 MB in the beginning and 38.4 MB in the end (delta: 42.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:59:17,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 14242.16 ms. Allocated memory was 134.2 MB in the beginning and 390.1 MB in the end (delta: 255.9 MB). Free memory was 73.3 MB in the beginning and 208.5 MB in the end (delta: -135.2 MB). Peak memory consumption was 138.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:59:17,062 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 56.6 MB. Free memory was 38.5 MB in the beginning and 38.4 MB in the end (delta: 42.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 14242.16 ms. Allocated memory was 134.2 MB in the beginning and 390.1 MB in the end (delta: 255.9 MB). Free memory was 73.3 MB in the beginning and 208.5 MB in the end (delta: -135.2 MB). Peak memory consumption was 138.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 19692]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: iscsi_change_param_sprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...