./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD/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_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD --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 ................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD/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_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD --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 .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:59:35,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:59:35,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:59:35,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:59:35,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:59:35,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:59:35,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:59:35,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:59:35,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:59:35,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:59:35,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:59:35,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:59:35,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:59:35,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:59:35,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:59:35,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:59:35,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:59:35,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:59:35,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:59:35,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:59:35,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:59:35,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:59:35,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:59:35,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:59:35,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:59:35,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:59:35,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:59:35,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:59:35,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:59:35,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:59:35,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:59:35,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:59:35,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:59:35,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:59:35,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:59:35,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:59:35,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:59:35,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:59:35,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:59:35,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:59:35,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:59:35,403 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-28 23:59:35,436 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:59:35,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:59:35,437 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:59:35,437 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:59:35,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:59:35,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:59:35,439 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:59:35,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:59:35,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:59:35,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:59:35,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:59:35,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:59:35,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:59:35,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:59:35,442 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:59:35,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:59:35,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:59:35,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:59:35,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:59:35,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:59:35,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:59:35,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:59:35,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:59:35,445 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:59:35,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:59:35,445 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:59:35,445 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:59:35,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:59:35,446 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:59:35,446 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1974ff03b08ed47181f88c6a05ee04806b9d38693f9d1cab1abe5d2f299d0845 [2021-10-28 23:59:35,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:59:35,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:59:35,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:59:35,840 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:59:35,842 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:59:35,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD/../../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 [2021-10-28 23:59:35,927 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD/data/2f9630524/f71a0c55f31c4754b93667ad26cddf98/FLAGa5da84efa [2021-10-28 23:59:37,929 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:59:37,930 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/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 [2021-10-28 23:59:38,078 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD/data/2f9630524/f71a0c55f31c4754b93667ad26cddf98/FLAGa5da84efa [2021-10-28 23:59:38,423 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD/data/2f9630524/f71a0c55f31c4754b93667ad26cddf98 [2021-10-28 23:59:38,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:59:38,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:59:38,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:59:38,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:59:38,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:59:38,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:59:38" (1/1) ... [2021-10-28 23:59:38,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15496611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:38, skipping insertion in model container [2021-10-28 23:59:38,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:59:38" (1/1) ... [2021-10-28 23:59:38,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:59:39,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:59:50,635 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 [2021-10-28 23:59:50,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e3e24ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:50, skipping insertion in model container [2021-10-28 23:59:50,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:59:50,637 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-28 23:59:50,641 INFO L168 Benchmark]: Toolchain (without parser) took 12208.58 ms. Allocated memory was 136.3 MB in the beginning and 352.3 MB in the end (delta: 216.0 MB). Free memory was 78.2 MB in the beginning and 210.2 MB in the end (delta: -132.0 MB). Peak memory consumption was 140.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:59:50,644 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 104.9 MB. Free memory is still 85.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:59:50,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 12203.74 ms. Allocated memory was 136.3 MB in the beginning and 352.3 MB in the end (delta: 216.0 MB). Free memory was 77.8 MB in the beginning and 210.2 MB in the end (delta: -132.4 MB). Peak memory consumption was 140.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:59:50,649 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 104.9 MB. Free memory is still 85.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 12203.74 ms. Allocated memory was 136.3 MB in the beginning and 352.3 MB in the end (delta: 216.0 MB). Free memory was 77.8 MB in the beginning and 210.2 MB in the end (delta: -132.4 MB). Peak memory consumption was 140.3 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 0.2.1-dev-b2eff8b [2021-10-28 23:59:53,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:59:53,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:59:53,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:59:53,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:59:53,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:59:53,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:59:53,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:59:53,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:59:53,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:59:53,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:59:53,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:59:53,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:59:53,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:59:53,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:59:53,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:59:53,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:59:53,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:59:53,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:59:53,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:59:53,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:59:53,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:59:53,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:59:53,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:59:53,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:59:53,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:59:53,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:59:53,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:59:53,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:59:53,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:59:53,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:59:53,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:59:53,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:59:53,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:59:53,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:59:53,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:59:53,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:59:53,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:59:53,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:59:53,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:59:53,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:59:53,288 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-10-28 23:59:53,326 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:59:53,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:59:53,327 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:59:53,327 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:59:53,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:59:53,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:59:53,329 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:59:53,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:59:53,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:59:53,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:59:53,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:59:53,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:59:53,330 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 23:59:53,331 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 23:59:53,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:59:53,331 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:59:53,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:59:53,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:59:53,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:59:53,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:59:53,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:59:53,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:59:53,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:59:53,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:59:53,333 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 23:59:53,333 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 23:59:53,334 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:59:53,334 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:59:53,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:59:53,334 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:59:53,337 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 23:59:53,337 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1974ff03b08ed47181f88c6a05ee04806b9d38693f9d1cab1abe5d2f299d0845 [2021-10-28 23:59:53,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:59:53,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:59:53,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:59:53,819 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:59:53,820 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:59:53,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD/../../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 [2021-10-28 23:59:53,915 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD/data/95057dce6/bbdc64d565ad4c8da94897183bc9b64e/FLAG93617a90a [2021-10-28 23:59:55,939 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:59:55,940 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/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 [2021-10-28 23:59:56,103 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD/data/95057dce6/bbdc64d565ad4c8da94897183bc9b64e/FLAG93617a90a [2021-10-28 23:59:56,427 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a56a6cd2-8185-480e-8aa7-4cf0e9a54910/bin/uautomizer-GMMbpWq8iD/data/95057dce6/bbdc64d565ad4c8da94897183bc9b64e [2021-10-28 23:59:56,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:59:56,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:59:56,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:59:56,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:59:56,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:59:56,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:59:56" (1/1) ... [2021-10-28 23:59:56,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@243e6f2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:59:56, skipping insertion in model container [2021-10-28 23:59:56,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:59:56" (1/1) ... [2021-10-28 23:59:56,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:59:57,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 00:00:08,830 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 [2021-10-29 00:00:08,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5a576afe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:00:08, skipping insertion in model container [2021-10-29 00:00:08,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 00:00:08,832 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-29 00:00:08,835 INFO L168 Benchmark]: Toolchain (without parser) took 12400.70 ms. Allocated memory was 115.3 MB in the beginning and 293.6 MB in the end (delta: 178.3 MB). Free memory was 57.3 MB in the beginning and 175.5 MB in the end (delta: -118.2 MB). Peak memory consumption was 118.8 MB. Max. memory is 16.1 GB. [2021-10-29 00:00:08,836 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory is still 60.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:00:08,837 INFO L168 Benchmark]: CACSL2BoogieTranslator took 12397.83 ms. Allocated memory was 115.3 MB in the beginning and 293.6 MB in the end (delta: 178.3 MB). Free memory was 57.3 MB in the beginning and 175.5 MB in the end (delta: -118.2 MB). Peak memory consumption was 118.8 MB. Max. memory is 16.1 GB. [2021-10-29 00:00:08,839 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 79.7 MB. Free memory is still 60.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 12397.83 ms. Allocated memory was 115.3 MB in the beginning and 293.6 MB in the end (delta: 178.3 MB). Free memory was 57.3 MB in the beginning and 175.5 MB in the end (delta: -118.2 MB). Peak memory consumption was 118.8 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...