./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1974ff03b08ed47181f88c6a05ee04806b9d38693f9d1cab1abe5d2f299d0845 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:12:24,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:12:24,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:12:25,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:12:25,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:12:25,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:12:25,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:12:25,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:12:25,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:12:25,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:12:25,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:12:25,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:12:25,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:12:25,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:12:25,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:12:25,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:12:25,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:12:25,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:12:25,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:12:25,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:12:25,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:12:25,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:12:25,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:12:25,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:12:25,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:12:25,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:12:25,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:12:25,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:12:25,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:12:25,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:12:25,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:12:25,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:12:25,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:12:25,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:12:25,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:12:25,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:12:25,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:12:25,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:12:25,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:12:25,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:12:25,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:12:25,048 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:12:25,072 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:12:25,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:12:25,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:12:25,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:12:25,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:12:25,074 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:12:25,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:12:25,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:12:25,075 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:12:25,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:12:25,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:12:25,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:12:25,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:12:25,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:12:25,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:12:25,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:12:25,077 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:12:25,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:12:25,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:12:25,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:12:25,077 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:12:25,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:12:25,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:12:25,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:12:25,078 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:12:25,078 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:12:25,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:12:25,079 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:12:25,079 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:12:25,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:12:25,079 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:12:25,080 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1974ff03b08ed47181f88c6a05ee04806b9d38693f9d1cab1abe5d2f299d0845 [2021-12-14 18:12:25,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:12:25,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:12:25,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:12:25,329 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:12:25,329 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:12:25,330 INFO L432 ainManager$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 [2021-12-14 18:12:25,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f71a0a2f1/bd65d6cff547404ba9e60dcd5d30af6c/FLAG6b852807c [2021-12-14 18:12:26,527 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:12:26,528 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 [2021-12-14 18:12:26,620 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f71a0a2f1/bd65d6cff547404ba9e60dcd5d30af6c/FLAG6b852807c [2021-12-14 18:12:26,650 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f71a0a2f1/bd65d6cff547404ba9e60dcd5d30af6c [2021-12-14 18:12:26,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:12:26,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:12:26,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:12:26,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:12:26,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:12:26,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:12:26" (1/1) ... [2021-12-14 18:12:26,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6abe65db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:26, skipping insertion in model container [2021-12-14 18:12:26,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:12:26" (1/1) ... [2021-12-14 18:12:26,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:12:26,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:12:35,443 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 [2021-12-14 18:12:35,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@640813d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:35, skipping insertion in model container [2021-12-14 18:12:35,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:12:35,444 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-14 18:12:35,445 INFO L158 Benchmark]: Toolchain (without parser) took 8790.92ms. Allocated memory was 109.1MB in the beginning and 220.2MB in the end (delta: 111.1MB). Free memory was 56.5MB in the beginning and 92.1MB in the end (delta: -35.6MB). Peak memory consumption was 100.1MB. Max. memory is 16.1GB. [2021-12-14 18:12:35,446 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 18:12:35,446 INFO L158 Benchmark]: CACSL2BoogieTranslator took 8787.82ms. Allocated memory was 109.1MB in the beginning and 220.2MB in the end (delta: 111.1MB). Free memory was 56.2MB in the beginning and 92.1MB in the end (delta: -35.9MB). Peak memory consumption was 100.1MB. Max. memory is 16.1GB. [2021-12-14 18:12:35,447 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 8787.82ms. Allocated memory was 109.1MB in the beginning and 220.2MB in the end (delta: 111.1MB). Free memory was 56.2MB in the beginning and 92.1MB in the end (delta: -35.9MB). Peak memory consumption was 100.1MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1974ff03b08ed47181f88c6a05ee04806b9d38693f9d1cab1abe5d2f299d0845 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:12:36,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:12:36,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:12:36,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:12:36,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:12:36,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:12:36,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:12:36,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:12:36,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:12:36,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:12:36,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:12:36,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:12:36,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:12:36,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:12:36,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:12:36,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:12:36,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:12:36,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:12:36,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:12:36,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:12:36,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:12:36,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:12:36,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:12:36,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:12:36,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:12:36,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:12:36,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:12:36,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:12:36,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:12:36,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:12:36,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:12:36,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:12:36,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:12:36,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:12:36,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:12:36,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:12:36,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:12:36,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:12:36,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:12:36,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:12:36,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:12:36,919 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-14 18:12:36,945 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:12:36,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:12:36,946 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:12:36,946 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:12:36,947 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:12:36,947 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:12:36,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:12:36,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:12:36,948 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:12:36,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:12:36,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:12:36,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:12:36,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:12:36,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:12:36,950 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-14 18:12:36,950 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-14 18:12:36,950 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-14 18:12:36,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:12:36,950 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:12:36,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:12:36,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:12:36,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:12:36,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:12:36,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:12:36,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:12:36,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:12:36,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:12:36,952 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-14 18:12:36,952 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-14 18:12:36,952 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:12:36,952 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:12:36,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:12:36,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:12:36,953 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-14 18:12:36,953 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1974ff03b08ed47181f88c6a05ee04806b9d38693f9d1cab1abe5d2f299d0845 [2021-12-14 18:12:37,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:12:37,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:12:37,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:12:37,230 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:12:37,235 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:12:37,236 INFO L432 ainManager$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 [2021-12-14 18:12:37,284 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51df70431/4d77798596fb49fa8754137c43d45ea5/FLAG961896ed1 [2021-12-14 18:12:38,397 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:12:38,398 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 [2021-12-14 18:12:38,492 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51df70431/4d77798596fb49fa8754137c43d45ea5/FLAG961896ed1 [2021-12-14 18:12:38,519 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51df70431/4d77798596fb49fa8754137c43d45ea5 [2021-12-14 18:12:38,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:12:38,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:12:38,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:12:38,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:12:38,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:12:38,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:12:38" (1/1) ... [2021-12-14 18:12:38,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2227627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:38, skipping insertion in model container [2021-12-14 18:12:38,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:12:38" (1/1) ... [2021-12-14 18:12:38,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:12:38,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:12:46,637 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 [2021-12-14 18:12:46,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7255c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:12:46, skipping insertion in model container [2021-12-14 18:12:46,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:12:46,638 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-14 18:12:46,639 INFO L158 Benchmark]: Toolchain (without parser) took 8116.31ms. Allocated memory was 100.7MB in the beginning and 201.3MB in the end (delta: 100.7MB). Free memory was 43.6MB in the beginning and 56.2MB in the end (delta: -12.7MB). Peak memory consumption was 132.0MB. Max. memory is 16.1GB. [2021-12-14 18:12:46,640 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 18:12:46,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 8113.75ms. Allocated memory was 100.7MB in the beginning and 201.3MB in the end (delta: 100.7MB). Free memory was 43.3MB in the beginning and 56.2MB in the end (delta: -12.9MB). Peak memory consumption was 132.0MB. Max. memory is 16.1GB. [2021-12-14 18:12:46,641 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 8113.75ms. Allocated memory was 100.7MB in the beginning and 201.3MB in the end (delta: 100.7MB). Free memory was 43.3MB in the beginning and 56.2MB in the end (delta: -12.9MB). Peak memory consumption was 132.0MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN