./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e7266-32ce-4f4e-a372-f8091a2b9dee/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e7266-32ce-4f4e-a372-f8091a2b9dee/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e7266-32ce-4f4e-a372-f8091a2b9dee/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e7266-32ce-4f4e-a372-f8091a2b9dee/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e7266-32ce-4f4e-a372-f8091a2b9dee/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e7266-32ce-4f4e-a372-f8091a2b9dee/bin/uautomizer-TMbwUNV5ro --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 cb5bfc1a8464cddde83cddd5aff6365e1e8e8f5fea381390d6f1d2e53f223890 --- 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-8393723 [2022-11-18 21:07:45,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:07:45,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:07:45,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:07:45,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:07:45,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:07:45,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:07:45,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:07:45,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:07:45,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:07:45,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:07:45,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:07:45,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:07:45,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:07:45,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:07:45,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:07:45,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:07:45,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:07:45,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:07:45,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:07:45,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:07:45,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:07:45,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:07:45,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:07:45,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:07:45,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:07:45,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:07:45,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:07:45,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:07:45,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:07:45,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:07:45,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:07:45,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:07:45,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:07:45,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:07:45,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:07:45,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:07:45,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:07:45,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:07:46,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:07:46,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:07:46,004 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e7266-32ce-4f4e-a372-f8091a2b9dee/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 21:07:46,049 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:07:46,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:07:46,059 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:07:46,060 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:07:46,061 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:07:46,061 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:07:46,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:07:46,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:07:46,062 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:07:46,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:07:46,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:07:46,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:07:46,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:07:46,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:07:46,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:07:46,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:07:46,066 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:07:46,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:07:46,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:07:46,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:07:46,084 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:07:46,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:07:46,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:07:46,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:07:46,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:07:46,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:07:46,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 21:07:46,088 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:07:46,088 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:07:46,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:07:46,089 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_249e7266-32ce-4f4e-a372-f8091a2b9dee/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e7266-32ce-4f4e-a372-f8091a2b9dee/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb5bfc1a8464cddde83cddd5aff6365e1e8e8f5fea381390d6f1d2e53f223890 [2022-11-18 21:07:46,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:07:46,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:07:46,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:07:46,532 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:07:46,533 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:07:46,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e7266-32ce-4f4e-a372-f8091a2b9dee/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i [2022-11-18 21:07:46,618 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e7266-32ce-4f4e-a372-f8091a2b9dee/bin/uautomizer-TMbwUNV5ro/data/eeaed03d3/e3f853ab51204f2480003d663d167c34/FLAG2f73b4e20 [2022-11-18 21:07:47,819 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:07:47,820 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e7266-32ce-4f4e-a372-f8091a2b9dee/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i [2022-11-18 21:07:47,886 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e7266-32ce-4f4e-a372-f8091a2b9dee/bin/uautomizer-TMbwUNV5ro/data/eeaed03d3/e3f853ab51204f2480003d663d167c34/FLAG2f73b4e20 [2022-11-18 21:07:48,129 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e7266-32ce-4f4e-a372-f8091a2b9dee/bin/uautomizer-TMbwUNV5ro/data/eeaed03d3/e3f853ab51204f2480003d663d167c34 [2022-11-18 21:07:48,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:07:48,133 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:07:48,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:07:48,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:07:48,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:07:48,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:07:48" (1/1) ... [2022-11-18 21:07:48,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b745562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:07:48, skipping insertion in model container [2022-11-18 21:07:48,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:07:48" (1/1) ... [2022-11-18 21:07:48,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:07:48,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:07:49,063 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5701] [2022-11-18 21:07:49,064 WARN L1258 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5702-5703] [2022-11-18 21:07:49,484 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_249e7266-32ce-4f4e-a372-f8091a2b9dee/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--mISDN--mISDN_dsp.ko-entry_point.cil.out.i[171010,171023]