./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--net--ethernet--intel--i40evf--i40evf.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--intel--i40evf--i40evf.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 827a981a0dd9baa353198c80aed0e72d9b0abd9e65df51463e1b76c9997177dc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:05:39,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:05:39,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:05:39,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:05:39,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:05:39,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:05:39,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:05:39,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:05:39,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:05:39,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:05:39,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:05:39,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:05:39,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:05:39,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:05:39,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:05:39,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:05:39,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:05:39,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:05:39,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:05:39,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:05:39,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:05:39,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:05:39,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:05:39,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:05:39,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:05:39,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:05:39,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:05:39,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:05:39,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:05:39,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:05:39,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:05:39,754 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:05:39,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:05:39,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:05:39,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:05:39,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:05:39,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:05:39,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:05:39,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:05:39,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:05:39,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:05:39,775 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:05:39,845 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:05:39,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:05:39,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:05:39,846 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:05:39,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:05:39,848 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:05:39,848 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:05:39,848 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:05:39,848 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:05:39,849 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:05:39,849 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:05:39,849 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:05:39,849 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:05:39,850 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:05:39,850 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:05:39,850 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:05:39,850 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:05:39,851 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:05:39,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:05:39,852 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:05:39,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:05:39,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:05:39,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:05:39,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:05:39,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:05:39,856 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:05:39,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:05:39,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:05:39,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:05:39,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:05:39,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:05:39,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:05:39,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:05:39,861 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:05:39,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:05:39,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:05:39,863 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:05:39,863 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:05:39,864 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 827a981a0dd9baa353198c80aed0e72d9b0abd9e65df51463e1b76c9997177dc [2021-11-23 02:05:40,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:05:40,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:05:40,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:05:40,252 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:05:40,253 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:05:40,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--intel--i40evf--i40evf.ko-entry_point.cil.out.i [2021-11-23 02:05:40,347 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V/data/e662eb85f/c59e153cb3504ce497e57d092f44a90a/FLAG1b1606734 [2021-11-23 02:05:41,651 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:05:41,652 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--intel--i40evf--i40evf.ko-entry_point.cil.out.i [2021-11-23 02:05:41,723 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V/data/e662eb85f/c59e153cb3504ce497e57d092f44a90a/FLAG1b1606734 [2021-11-23 02:05:41,763 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V/data/e662eb85f/c59e153cb3504ce497e57d092f44a90a [2021-11-23 02:05:41,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:05:41,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:05:41,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:05:41,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:05:41,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:05:41,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:05:41" (1/1) ... [2021-11-23 02:05:41,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6857c540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:41, skipping insertion in model container [2021-11-23 02:05:41,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:05:41" (1/1) ... [2021-11-23 02:05:41,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:05:42,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:05:49,540 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: i40evf_debug_d [2021-11-23 02:05:49,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2027a27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:49, skipping insertion in model container [2021-11-23 02:05:49,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:05:49,542 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 02:05:49,545 INFO L158 Benchmark]: Toolchain (without parser) took 7775.30ms. Allocated memory was 90.2MB in the beginning and 180.4MB in the end (delta: 90.2MB). Free memory was 46.3MB in the beginning and 64.9MB in the end (delta: -18.5MB). Peak memory consumption was 79.9MB. Max. memory is 16.1GB. [2021-11-23 02:05:49,547 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory was 69.8MB in the beginning and 69.7MB in the end (delta: 92.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:05:49,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7772.34ms. Allocated memory was 90.2MB in the beginning and 180.4MB in the end (delta: 90.2MB). Free memory was 46.3MB in the beginning and 64.9MB in the end (delta: -18.5MB). Peak memory consumption was 79.9MB. Max. memory is 16.1GB. [2021-11-23 02:05:49,551 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory was 69.8MB in the beginning and 69.7MB in the end (delta: 92.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7772.34ms. Allocated memory was 90.2MB in the beginning and 180.4MB in the end (delta: 90.2MB). Free memory was 46.3MB in the beginning and 64.9MB in the end (delta: -18.5MB). Peak memory consumption was 79.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 18233]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: i40evf_debug_d 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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--intel--i40evf--i40evf.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 827a981a0dd9baa353198c80aed0e72d9b0abd9e65df51463e1b76c9997177dc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:05:52,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:05:52,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:05:52,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:05:52,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:05:52,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:05:52,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:05:52,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:05:52,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:05:52,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:05:52,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:05:52,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:05:52,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:05:52,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:05:52,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:05:52,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:05:52,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:05:52,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:05:52,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:05:52,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:05:52,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:05:52,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:05:52,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:05:52,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:05:52,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:05:52,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:05:52,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:05:52,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:05:52,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:05:52,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:05:52,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:05:52,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:05:52,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:05:52,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:05:52,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:05:52,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:05:52,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:05:52,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:05:52,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:05:52,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:05:52,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:05:52,631 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 02:05:52,690 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:05:52,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:05:52,691 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:05:52,691 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:05:52,693 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:05:52,693 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:05:52,693 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:05:52,693 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:05:52,694 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:05:52,694 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:05:52,695 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:05:52,695 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:05:52,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:05:52,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:05:52,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:05:52,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:05:52,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:05:52,699 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 02:05:52,699 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 02:05:52,699 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 02:05:52,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:05:52,700 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:05:52,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:05:52,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:05:52,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 02:05:52,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:05:52,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:05:52,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:05:52,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:05:52,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:05:52,702 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 02:05:52,702 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 02:05:52,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:05:52,703 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:05:52,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:05:52,703 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_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 827a981a0dd9baa353198c80aed0e72d9b0abd9e65df51463e1b76c9997177dc [2021-11-23 02:05:53,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:05:53,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:05:53,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:05:53,303 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:05:53,304 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:05:53,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--intel--i40evf--i40evf.ko-entry_point.cil.out.i [2021-11-23 02:05:53,386 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V/data/416d6615e/1adca36baae94e83ad5c9b55a855c79c/FLAG780d9548f [2021-11-23 02:05:54,883 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:05:54,884 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--ethernet--intel--i40evf--i40evf.ko-entry_point.cil.out.i [2021-11-23 02:05:54,967 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V/data/416d6615e/1adca36baae94e83ad5c9b55a855c79c/FLAG780d9548f [2021-11-23 02:05:55,370 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4173cb2-6f77-41a5-9056-ec92a27dfba9/bin/utaipan-EQgc7hIp5V/data/416d6615e/1adca36baae94e83ad5c9b55a855c79c [2021-11-23 02:05:55,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:05:55,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:05:55,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:05:55,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:05:55,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:05:55,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:05:55" (1/1) ... [2021-11-23 02:05:55,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8ecc52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:05:55, skipping insertion in model container [2021-11-23 02:05:55,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:05:55" (1/1) ... [2021-11-23 02:05:55,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:05:55,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:06:03,197 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: i40evf_debug_d [2021-11-23 02:06:03,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55438677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:03, skipping insertion in model container [2021-11-23 02:06:03,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:06:03,199 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 02:06:03,202 INFO L158 Benchmark]: Toolchain (without parser) took 7825.86ms. Allocated memory was 75.5MB in the beginning and 151.0MB in the end (delta: 75.5MB). Free memory was 44.6MB in the beginning and 72.9MB in the end (delta: -28.2MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2021-11-23 02:06:03,203 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 54.5MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:06:03,205 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7822.86ms. Allocated memory was 75.5MB in the beginning and 151.0MB in the end (delta: 75.5MB). Free memory was 44.4MB in the beginning and 72.9MB in the end (delta: -28.5MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2021-11-23 02:06:03,207 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 54.5MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7822.86ms. Allocated memory was 75.5MB in the beginning and 151.0MB in the end (delta: 75.5MB). Free memory was 44.4MB in the beginning and 72.9MB in the end (delta: -28.5MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 18233]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: i40evf_debug_d 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