./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-08_1a-drivers--net--ethernet--intel--i40evf--i40evf.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--intel--i40evf--i40evf.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI --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 16f5be18487454fe33d26dc5a16d34e2ee920745c7d5ea3769e38abfb753065b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:27:33,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:27:33,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:27:33,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:27:33,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:27:33,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:27:33,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:27:33,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:27:33,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:27:33,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:27:33,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:27:33,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:27:33,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:27:33,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:27:33,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:27:33,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:27:33,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:27:33,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:27:33,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:27:33,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:27:33,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:27:33,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:27:33,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:27:33,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:27:33,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:27:33,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:27:33,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:27:33,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:27:33,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:27:33,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:27:33,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:27:33,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:27:33,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:27:33,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:27:33,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:27:33,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:27:33,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:27:33,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:27:33,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:27:33,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:27:33,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:27:33,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:27:34,026 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:27:34,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:27:34,027 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:27:34,027 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:27:34,028 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:27:34,028 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:27:34,029 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:27:34,029 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:27:34,029 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:27:34,030 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:27:34,031 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:27:34,031 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:27:34,031 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:27:34,032 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:27:34,032 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:27:34,032 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:27:34,032 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:27:34,033 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:27:34,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:27:34,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:27:34,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:27:34,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:27:34,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:27:34,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:27:34,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:27:34,037 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:27:34,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:27:34,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:27:34,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:27:34,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:27:34,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:27:34,039 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:27:34,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:27:34,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:27:34,040 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:27:34,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:27:34,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:27:34,040 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:27:34,041 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_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16f5be18487454fe33d26dc5a16d34e2ee920745c7d5ea3769e38abfb753065b [2022-11-03 03:27:34,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:27:34,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:27:34,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:27:34,443 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:27:34,444 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:27:34,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--intel--i40evf--i40evf.ko-entry_point.cil.out.i [2022-11-03 03:27:34,528 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI/data/0f1da1f42/317431909dc1493980d3cdfc0051b8bc/FLAG340240f8f [2022-11-03 03:27:35,605 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:27:35,607 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--intel--i40evf--i40evf.ko-entry_point.cil.out.i [2022-11-03 03:27:35,677 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI/data/0f1da1f42/317431909dc1493980d3cdfc0051b8bc/FLAG340240f8f [2022-11-03 03:27:35,893 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI/data/0f1da1f42/317431909dc1493980d3cdfc0051b8bc [2022-11-03 03:27:35,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:27:35,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:27:35,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:27:35,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:27:35,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:27:35,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:27:35" (1/1) ... [2022-11-03 03:27:35,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78805007 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:35, skipping insertion in model container [2022-11-03 03:27:35,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:27:35" (1/1) ... [2022-11-03 03:27:35,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:27:36,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:27:41,231 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: i40evf_debug_d [2022-11-03 03:27:41,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68dccfc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:41, skipping insertion in model container [2022-11-03 03:27:41,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:27:41,233 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 03:27:41,235 INFO L158 Benchmark]: Toolchain (without parser) took 5337.04ms. Allocated memory was 96.5MB in the beginning and 232.8MB in the end (delta: 136.3MB). Free memory was 51.9MB in the beginning and 161.3MB in the end (delta: -109.3MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2022-11-03 03:27:41,236 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:27:41,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5334.23ms. Allocated memory was 96.5MB in the beginning and 232.8MB in the end (delta: 136.3MB). Free memory was 51.6MB in the beginning and 161.3MB in the end (delta: -109.7MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2022-11-03 03:27:41,238 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5334.23ms. Allocated memory was 96.5MB in the beginning and 232.8MB in the end (delta: 136.3MB). Free memory was 51.6MB in the beginning and 161.3MB in the end (delta: -109.7MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 17951]: 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--intel--i40evf--i40evf.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI --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 16f5be18487454fe33d26dc5a16d34e2ee920745c7d5ea3769e38abfb753065b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:27:43,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:27:43,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:27:43,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:27:43,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:27:43,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:27:43,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:27:43,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:27:43,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:27:43,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:27:43,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:27:43,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:27:43,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:27:43,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:27:43,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:27:43,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:27:43,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:27:43,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:27:43,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:27:43,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:27:43,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:27:43,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:27:43,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:27:43,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:27:43,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:27:43,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:27:43,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:27:43,578 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:27:43,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:27:43,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:27:43,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:27:43,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:27:43,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:27:43,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:27:43,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:27:43,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:27:43,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:27:43,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:27:43,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:27:43,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:27:43,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:27:43,594 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 03:27:43,617 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:27:43,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:27:43,618 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:27:43,618 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:27:43,619 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:27:43,619 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:27:43,619 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:27:43,619 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:27:43,620 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:27:43,620 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:27:43,620 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:27:43,620 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:27:43,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:27:43,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:27:43,621 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:27:43,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:27:43,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:27:43,622 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 03:27:43,622 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 03:27:43,623 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 03:27:43,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:27:43,623 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:27:43,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:27:43,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:27:43,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 03:27:43,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:27:43,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:27:43,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:27:43,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:27:43,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:27:43,625 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 03:27:43,625 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 03:27:43,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:27:43,626 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:27:43,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 03:27:43,626 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_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16f5be18487454fe33d26dc5a16d34e2ee920745c7d5ea3769e38abfb753065b [2022-11-03 03:27:44,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:27:44,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:27:44,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:27:44,102 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:27:44,103 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:27:44,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--intel--i40evf--i40evf.ko-entry_point.cil.out.i [2022-11-03 03:27:44,182 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI/data/e2985fa20/c968d8dd22a44e2ab44b0e27fbceccde/FLAG01337dc58 [2022-11-03 03:27:45,311 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:27:45,312 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--ethernet--intel--i40evf--i40evf.ko-entry_point.cil.out.i [2022-11-03 03:27:45,399 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI/data/e2985fa20/c968d8dd22a44e2ab44b0e27fbceccde/FLAG01337dc58 [2022-11-03 03:27:45,623 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921be15-5121-48bb-a8f6-d36ff56561d0/bin/utaipan-7li7fVZpFI/data/e2985fa20/c968d8dd22a44e2ab44b0e27fbceccde [2022-11-03 03:27:45,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:27:45,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:27:45,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:27:45,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:27:45,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:27:45,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:27:45" (1/1) ... [2022-11-03 03:27:45,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f63e30f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:45, skipping insertion in model container [2022-11-03 03:27:45,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:27:45" (1/1) ... [2022-11-03 03:27:45,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:27:45,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:27:51,044 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: i40evf_debug_d [2022-11-03 03:27:51,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@31ead8f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:27:51, skipping insertion in model container [2022-11-03 03:27:51,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:27:51,045 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 03:27:51,047 INFO L158 Benchmark]: Toolchain (without parser) took 5417.29ms. Allocated memory was 71.3MB in the beginning and 148.9MB in the end (delta: 77.6MB). Free memory was 37.1MB in the beginning and 68.0MB in the end (delta: -30.9MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2022-11-03 03:27:51,048 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 52.4MB. Free memory is still 32.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:27:51,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5413.19ms. Allocated memory was 71.3MB in the beginning and 148.9MB in the end (delta: 77.6MB). Free memory was 36.9MB in the beginning and 68.0MB in the end (delta: -31.1MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2022-11-03 03:27:51,050 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 52.4MB. Free memory is still 32.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5413.19ms. Allocated memory was 71.3MB in the beginning and 148.9MB in the end (delta: 77.6MB). Free memory was 36.9MB in the beginning and 68.0MB in the end (delta: -31.1MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 17951]: 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