./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF --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 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:34:43,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:34:43,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:34:43,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:34:43,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:34:43,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:34:43,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:34:43,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:34:43,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:34:43,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:34:43,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:34:43,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:34:43,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:34:43,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:34:43,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:34:43,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:34:43,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:34:43,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:34:43,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:34:43,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:34:43,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:34:43,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:34:43,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:34:43,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:34:43,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:34:43,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:34:43,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:34:43,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:34:43,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:34:43,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:34:43,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:34:43,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:34:43,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:34:43,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:34:43,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:34:43,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:34:43,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:34:43,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:34:43,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:34:43,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:34:43,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:34:43,939 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 22:34:43,967 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:34:43,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:34:43,969 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:34:43,969 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:34:43,969 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:34:43,969 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:34:43,969 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:34:43,970 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:34:43,970 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:34:43,970 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:34:43,970 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:34:43,971 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:34:43,971 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:34:43,971 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:34:43,971 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:34:43,971 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:34:43,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:34:43,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:34:43,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:34:43,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:34:43,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:34:43,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:34:43,974 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:34:43,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:34:43,974 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:34:43,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:34:43,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:34:43,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:34:43,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:34:43,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:34:43,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:34:43,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:34:43,976 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:34:43,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:34:43,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:34:43,977 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:34:43,977 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:34:43,977 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_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a [2021-11-12 22:34:44,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:34:44,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:34:44,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:34:44,251 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:34:44,256 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:34:44,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2021-11-12 22:34:44,336 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/data/e3f0ad892/5b0849d7e006453381be5cbeb74c7bad/FLAG4984f518a [2021-11-12 22:34:45,358 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:34:45,359 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2021-11-12 22:34:45,421 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/data/e3f0ad892/5b0849d7e006453381be5cbeb74c7bad/FLAG4984f518a [2021-11-12 22:34:45,759 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/data/e3f0ad892/5b0849d7e006453381be5cbeb74c7bad [2021-11-12 22:34:45,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:34:45,765 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:34:45,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:34:45,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:34:45,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:34:45,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:34:45" (1/1) ... [2021-11-12 22:34:45,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6069ab61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:34:45, skipping insertion in model container [2021-11-12 22:34:45,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:34:45" (1/1) ... [2021-11-12 22:34:45,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:34:45,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:34:47,836 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:34:47,838 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:34:47,846 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:34:47,847 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 22:34:49,069 WARN L228 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_15040a6f-4134-42cd-b7b2-544f6670899d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323320,323333] [2021-11-12 22:34:49,073 WARN L228 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_15040a6f-4134-42cd-b7b2-544f6670899d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323489,323502] [2021-11-12 22:34:49,073 WARN L228 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_15040a6f-4134-42cd-b7b2-544f6670899d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323656,323669] [2021-11-12 22:34:49,074 WARN L228 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_15040a6f-4134-42cd-b7b2-544f6670899d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323824,323837] [2021-11-12 22:34:49,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:34:49,165 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 22:34:49,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f472b46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:34:49, skipping insertion in model container [2021-11-12 22:34:49,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:34:49,167 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 22:34:49,169 INFO L158 Benchmark]: Toolchain (without parser) took 3402.68ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 71.2MB in the beginning and 90.9MB in the end (delta: -19.7MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2021-11-12 22:34:49,170 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 115.3MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:34:49,172 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3398.18ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 70.9MB in the beginning and 90.9MB in the end (delta: -20.0MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2021-11-12 22:34:49,174 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 115.3MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3398.18ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 70.9MB in the beginning and 90.9MB in the end (delta: -20.0MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6118]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) 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_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF --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 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:34:51,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:34:51,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:34:51,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:34:51,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:34:51,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:34:51,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:34:51,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:34:51,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:34:51,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:34:51,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:34:51,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:34:51,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:34:51,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:34:51,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:34:51,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:34:51,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:34:51,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:34:51,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:34:51,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:34:51,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:34:51,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:34:51,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:34:51,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:34:51,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:34:51,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:34:51,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:34:51,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:34:51,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:34:51,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:34:51,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:34:51,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:34:51,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:34:51,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:34:51,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:34:51,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:34:51,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:34:51,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:34:51,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:34:51,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:34:51,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:34:51,784 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 22:34:51,830 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:34:51,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:34:51,832 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:34:51,832 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:34:51,833 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:34:51,833 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:34:51,833 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:34:51,834 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:34:51,834 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:34:51,834 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:34:51,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:34:51,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:34:51,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:34:51,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:34:51,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:34:51,837 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:34:51,837 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:34:51,837 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:34:51,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:34:51,838 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:34:51,838 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:34:51,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:34:51,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:34:51,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:34:51,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:34:51,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:34:51,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:34:51,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:34:51,840 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:34:51,841 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:34:51,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:34:51,841 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:34:51,841 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:34:51,842 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_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a [2021-11-12 22:34:52,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:34:52,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:34:52,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:34:52,276 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:34:52,276 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:34:52,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2021-11-12 22:34:52,353 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/data/86d47307e/544768f66a6c49c49a2f3c22ac929067/FLAG9448736a5 [2021-11-12 22:34:53,621 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:34:53,622 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2021-11-12 22:34:53,701 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/data/86d47307e/544768f66a6c49c49a2f3c22ac929067/FLAG9448736a5 [2021-11-12 22:34:53,849 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/data/86d47307e/544768f66a6c49c49a2f3c22ac929067 [2021-11-12 22:34:53,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:34:53,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:34:53,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:34:53,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:34:53,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:34:53,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:34:53" (1/1) ... [2021-11-12 22:34:53,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@787ceff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:34:53, skipping insertion in model container [2021-11-12 22:34:53,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:34:53" (1/1) ... [2021-11-12 22:34:53,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:34:54,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:34:57,387 WARN L228 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_15040a6f-4134-42cd-b7b2-544f6670899d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323320,323333] [2021-11-12 22:34:57,390 WARN L228 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_15040a6f-4134-42cd-b7b2-544f6670899d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323489,323502] [2021-11-12 22:34:57,391 WARN L228 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_15040a6f-4134-42cd-b7b2-544f6670899d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323656,323669] [2021-11-12 22:34:57,392 WARN L228 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_15040a6f-4134-42cd-b7b2-544f6670899d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323824,323837] [2021-11-12 22:34:57,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:34:57,483 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 22:34:57,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:34:57,992 WARN L228 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_15040a6f-4134-42cd-b7b2-544f6670899d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323320,323333] [2021-11-12 22:34:57,993 WARN L228 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_15040a6f-4134-42cd-b7b2-544f6670899d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323489,323502] [2021-11-12 22:34:57,994 WARN L228 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_15040a6f-4134-42cd-b7b2-544f6670899d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323656,323669] [2021-11-12 22:34:57,994 WARN L228 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_15040a6f-4134-42cd-b7b2-544f6670899d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323824,323837] [2021-11-12 22:34:58,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:34:58,030 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:34:58,442 WARN L228 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_15040a6f-4134-42cd-b7b2-544f6670899d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323320,323333] [2021-11-12 22:34:58,443 WARN L228 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_15040a6f-4134-42cd-b7b2-544f6670899d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323489,323502] [2021-11-12 22:34:58,444 WARN L228 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_15040a6f-4134-42cd-b7b2-544f6670899d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323656,323669] [2021-11-12 22:34:58,445 WARN L228 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_15040a6f-4134-42cd-b7b2-544f6670899d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323824,323837] [2021-11-12 22:34:58,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:34:58,793 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:34:58,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:34:58 WrapperNode [2021-11-12 22:34:58,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:34:58,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:34:58,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:34:58,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:34:58,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:34:58" (1/1) ... [2021-11-12 22:34:58,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:34:58" (1/1) ... [2021-11-12 22:34:59,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:34:59,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:34:59,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:34:59,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:34:59,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:34:58" (1/1) ... [2021-11-12 22:34:59,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:34:58" (1/1) ... [2021-11-12 22:34:59,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:34:58" (1/1) ... [2021-11-12 22:34:59,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:34:58" (1/1) ... [2021-11-12 22:34:59,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:34:58" (1/1) ... [2021-11-12 22:34:59,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:34:58" (1/1) ... [2021-11-12 22:34:59,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:34:58" (1/1) ... [2021-11-12 22:34:59,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:34:59,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:34:59,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:34:59,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:34:59,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:34:58" (1/1) ... [2021-11-12 22:34:59,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:34:59,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:34:59,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:34:59,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:34:59,744 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-12 22:34:59,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-12 22:34:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 22:34:59,745 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 22:34:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-12 22:34:59,745 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-12 22:34:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_set_filter_mode [2021-11-12 22:34:59,746 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_set_filter_mode [2021-11-12 22:34:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-12 22:34:59,746 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-12 22:34:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 22:34:59,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 22:34:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_resume [2021-11-12 22:34:59,747 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_resume [2021-11-12 22:34:59,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 22:34:59,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-12 22:34:59,748 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-12 22:34:59,748 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-12 22:34:59,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_dmfe_board_info [2021-11-12 22:34:59,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_dmfe_board_info [2021-11-12 22:34:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-12 22:34:59,749 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-12 22:34:59,749 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-12 22:34:59,749 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-12 22:34:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-11-12 22:34:59,750 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-11-12 22:34:59,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2021-11-12 22:34:59,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2021-11-12 22:34:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-12 22:34:59,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-12 22:34:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-12 22:34:59,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-12 22:34:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_reuse_skb [2021-11-12 22:34:59,752 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_reuse_skb [2021-11-12 22:34:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2021-11-12 22:34:59,753 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2021-11-12 22:34:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-12 22:34:59,753 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-12 22:34:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 22:34:59,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 22:34:59,754 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-12 22:34:59,754 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-12 22:34:59,755 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-12 22:34:59,755 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-12 22:34:59,756 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-12 22:34:59,756 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-12 22:34:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 22:34:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 22:34:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2021-11-12 22:34:59,757 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2021-11-12 22:34:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 22:34:59,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 22:34:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 22:34:59,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 22:34:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure poll_dmfe [2021-11-12 22:34:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_dmfe [2021-11-12 22:34:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-12 22:34:59,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-12 22:34:59,759 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 22:34:59,760 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 22:34:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2021-11-12 22:34:59,761 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2021-11-12 22:34:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 22:34:59,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 22:34:59,761 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_remove_one [2021-11-12 22:34:59,762 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_remove_one [2021-11-12 22:34:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2021-11-12 22:34:59,762 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2021-11-12 22:34:59,762 INFO L130 BoogieDeclarations]: Found specification of procedure dm9132_id_table [2021-11-12 22:34:59,762 INFO L138 BoogieDeclarations]: Found implementation of procedure dm9132_id_table [2021-11-12 22:34:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-12 22:34:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-12 22:34:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-12 22:34:59,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-12 22:34:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-12 22:34:59,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-12 22:34:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 22:34:59,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 22:34:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_interrupt [2021-11-12 22:34:59,765 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_interrupt [2021-11-12 22:34:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-12 22:34:59,766 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-12 22:34:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2021-11-12 22:34:59,767 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2021-11-12 22:34:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-12 22:34:59,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-12 22:34:59,767 INFO L130 BoogieDeclarations]: Found specification of procedure cal_CRC [2021-11-12 22:34:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_CRC [2021-11-12 22:34:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 22:34:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-12 22:34:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-12 22:34:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-12 22:34:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-12 22:34:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2021-11-12 22:34:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2021-11-12 22:34:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 22:34:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 22:34:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 22:34:59,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 22:34:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 22:34:59,770 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-12 22:34:59,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-12 22:34:59,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 22:34:59,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 22:34:59,774 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 22:34:59,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 22:34:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 22:34:59,777 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-11-12 22:34:59,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-11-12 22:34:59,778 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_free_rxbuffer [2021-11-12 22:34:59,778 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_free_rxbuffer [2021-11-12 22:34:59,779 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-12 22:34:59,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-12 22:34:59,780 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-12 22:34:59,786 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-12 22:34:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-12 22:34:59,786 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-12 22:34:59,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-12 22:34:59,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-12 22:34:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 22:34:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_stop [2021-11-12 22:34:59,787 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_stop [2021-11-12 22:34:59,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:34:59,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:34:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 22:34:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 22:34:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 22:34:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 22:34:59,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 22:34:59,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 22:34:59,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 22:34:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 22:34:59,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 22:34:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-12 22:34:59,789 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-12 22:34:59,789 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-12 22:34:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_open [2021-11-12 22:34:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_open [2021-11-12 22:34:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-12 22:34:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-12 22:34:59,790 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-12 22:34:59,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-12 22:34:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2021-11-12 22:34:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2021-11-12 22:34:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-12 22:34:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-12 22:34:59,791 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-12 22:34:59,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-12 22:34:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2021-11-12 22:34:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2021-11-12 22:34:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-12 22:34:59,792 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-12 22:34:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:34:59,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 22:34:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-12 22:34:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-12 22:34:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-12 22:34:59,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-12 22:34:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 22:34:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 22:34:59,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 22:34:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 22:34:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 22:34:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_init_dm910x [2021-11-12 22:34:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_init_dm910x [2021-11-12 22:34:59,794 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-12 22:34:59,794 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-12 22:34:59,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 22:34:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 22:34:59,795 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-11-12 22:34:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-11-12 22:34:59,795 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-12 22:34:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-12 22:34:59,796 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2021-11-12 22:34:59,796 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2021-11-12 22:34:59,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 22:34:59,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 22:34:59,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 22:34:59,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 22:34:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 22:34:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 22:34:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2021-11-12 22:34:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2021-11-12 22:34:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_dmfe_cleanup_module_14_2 [2021-11-12 22:34:59,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_dmfe_cleanup_module_14_2 [2021-11-12 22:34:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2021-11-12 22:34:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2021-11-12 22:34:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 22:34:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 22:34:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-12 22:34:59,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-12 22:34:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-12 22:34:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-12 22:34:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 22:34:59,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 22:35:03,210 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 22:35:51,426 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-12 22:35:51,502 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:35:51,502 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 22:35:51,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:35:51 BoogieIcfgContainer [2021-11-12 22:35:51,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:35:51,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:35:51,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:35:51,514 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:35:51,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:34:53" (1/3) ... [2021-11-12 22:35:51,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cc230cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:35:51, skipping insertion in model container [2021-11-12 22:35:51,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:34:58" (2/3) ... [2021-11-12 22:35:51,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cc230cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:35:51, skipping insertion in model container [2021-11-12 22:35:51,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:35:51" (3/3) ... [2021-11-12 22:35:51,518 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2021-11-12 22:35:51,524 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:35:51,524 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-12 22:35:51,593 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 22:35:51,601 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 22:35:51,601 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-12 22:35:51,664 INFO L276 IsEmpty]: Start isEmpty. Operand has 1711 states, 1206 states have (on average 1.306799336650083) internal successors, (1576), 1229 states have internal predecessors, (1576), 420 states have call successors, (420), 83 states have call predecessors, (420), 82 states have return successors, (414), 405 states have call predecessors, (414), 414 states have call successors, (414) [2021-11-12 22:35:51,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-12 22:35:51,683 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:35:51,684 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:35:51,685 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 22:35:51,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:35:51,691 INFO L85 PathProgramCache]: Analyzing trace with hash 355979356, now seen corresponding path program 1 times [2021-11-12 22:35:51,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:35:51,711 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [534446740] [2021-11-12 22:35:51,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:35:51,713 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:35:51,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:35:51,719 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:35:51,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 22:35:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:35:54,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 1296 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:35:54,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:35:54,560 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2021-11-12 22:35:54,561 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:35:55,031 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-11-12 22:35:55,032 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:35:55,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [534446740] [2021-11-12 22:35:55,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [534446740] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:35:55,034 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:35:55,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:35:55,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34185301] [2021-11-12 22:35:55,039 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:35:55,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:35:55,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:35:55,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:35:55,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:35:55,100 INFO L87 Difference]: Start difference. First operand has 1711 states, 1206 states have (on average 1.306799336650083) internal successors, (1576), 1229 states have internal predecessors, (1576), 420 states have call successors, (420), 83 states have call predecessors, (420), 82 states have return successors, (414), 405 states have call predecessors, (414), 414 states have call successors, (414) Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2021-11-12 22:35:57,426 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:36:02,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:36:02,797 INFO L93 Difference]: Finished difference Result 6586 states and 9437 transitions. [2021-11-12 22:36:02,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:36:02,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 116 [2021-11-12 22:36:02,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:36:02,889 INFO L225 Difference]: With dead ends: 6586 [2021-11-12 22:36:02,890 INFO L226 Difference]: Without dead ends: 4879 [2021-11-12 22:36:02,919 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:36:02,926 INFO L933 BasicCegarLoop]: 3189 mSDtfsCounter, 4575 mSDsluCounter, 5970 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6462.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4575 SdHoareTripleChecker+Valid, 9159 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 65.99ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7019.08ms IncrementalHoareTripleChecker+Time [2021-11-12 22:36:02,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4575 Valid, 9159 Invalid, 886 Unknown, 0 Unchecked, 65.99ms Time], IncrementalHoareTripleChecker [20 Valid, 865 Invalid, 1 Unknown, 0 Unchecked, 7019.08ms Time] [2021-11-12 22:36:02,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4879 states. [2021-11-12 22:36:03,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4879 to 4852. [2021-11-12 22:36:03,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4852 states, 3450 states have (on average 1.3) internal successors, (4485), 3515 states have internal predecessors, (4485), 1160 states have call successors, (1160), 240 states have call predecessors, (1160), 239 states have return successors, (1156), 1129 states have call predecessors, (1156), 1156 states have call successors, (1156) [2021-11-12 22:36:03,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4852 states to 4852 states and 6801 transitions. [2021-11-12 22:36:03,447 INFO L78 Accepts]: Start accepts. Automaton has 4852 states and 6801 transitions. Word has length 116 [2021-11-12 22:36:03,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:36:03,451 INFO L470 AbstractCegarLoop]: Abstraction has 4852 states and 6801 transitions. [2021-11-12 22:36:03,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2021-11-12 22:36:03,451 INFO L276 IsEmpty]: Start isEmpty. Operand 4852 states and 6801 transitions. [2021-11-12 22:36:03,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-12 22:36:03,464 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:36:03,465 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:36:03,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 22:36:03,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:36:03,688 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 22:36:03,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:36:03,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1373213958, now seen corresponding path program 1 times [2021-11-12 22:36:03,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:36:03,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1929250263] [2021-11-12 22:36:03,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:36:03,694 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:36:03,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:36:03,700 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:36:03,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 22:36:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:36:06,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 1344 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:36:06,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:36:06,384 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2021-11-12 22:36:06,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:36:06,777 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-11-12 22:36:06,778 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:36:06,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1929250263] [2021-11-12 22:36:06,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1929250263] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:36:06,778 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:36:06,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:36:06,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397856251] [2021-11-12 22:36:06,779 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:36:06,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:36:06,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:36:06,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:36:06,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:36:06,782 INFO L87 Difference]: Start difference. First operand 4852 states and 6801 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2021-11-12 22:36:09,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:36:14,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:36:14,291 INFO L93 Difference]: Finished difference Result 19063 states and 26772 transitions. [2021-11-12 22:36:14,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:36:14,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 122 [2021-11-12 22:36:14,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:36:14,449 INFO L225 Difference]: With dead ends: 19063 [2021-11-12 22:36:14,449 INFO L226 Difference]: Without dead ends: 14232 [2021-11-12 22:36:14,489 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:36:14,490 INFO L933 BasicCegarLoop]: 3177 mSDtfsCounter, 4607 mSDsluCounter, 5922 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6058.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4607 SdHoareTripleChecker+Valid, 9099 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 42.10ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6541.91ms IncrementalHoareTripleChecker+Time [2021-11-12 22:36:14,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4607 Valid, 9099 Invalid, 823 Unknown, 0 Unchecked, 42.10ms Time], IncrementalHoareTripleChecker [14 Valid, 808 Invalid, 1 Unknown, 0 Unchecked, 6541.91ms Time] [2021-11-12 22:36:14,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14232 states. [2021-11-12 22:36:15,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14232 to 14168. [2021-11-12 22:36:15,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14168 states, 10108 states have (on average 1.304016620498615) internal successors, (13181), 10317 states have internal predecessors, (13181), 3348 states have call successors, (3348), 716 states have call predecessors, (3348), 709 states have return successors, (3374), 3233 states have call predecessors, (3374), 3344 states have call successors, (3374) [2021-11-12 22:36:15,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14168 states to 14168 states and 19903 transitions. [2021-11-12 22:36:15,588 INFO L78 Accepts]: Start accepts. Automaton has 14168 states and 19903 transitions. Word has length 122 [2021-11-12 22:36:15,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:36:15,590 INFO L470 AbstractCegarLoop]: Abstraction has 14168 states and 19903 transitions. [2021-11-12 22:36:15,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2021-11-12 22:36:15,591 INFO L276 IsEmpty]: Start isEmpty. Operand 14168 states and 19903 transitions. [2021-11-12 22:36:15,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-12 22:36:15,604 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:36:15,604 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:36:15,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-12 22:36:15,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:36:15,820 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 22:36:15,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:36:15,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1237945319, now seen corresponding path program 1 times [2021-11-12 22:36:15,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:36:15,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2146792689] [2021-11-12 22:36:15,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:36:15,824 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:36:15,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:36:15,826 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:36:15,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 22:36:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:36:17,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 1335 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:36:17,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:36:18,207 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2021-11-12 22:36:18,207 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:36:18,618 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-11-12 22:36:18,618 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:36:18,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2146792689] [2021-11-12 22:36:18,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2146792689] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:36:18,619 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:36:18,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:36:18,620 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502396772] [2021-11-12 22:36:18,620 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:36:18,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:36:18,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:36:18,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:36:18,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:36:18,622 INFO L87 Difference]: Start difference. First operand 14168 states and 19903 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 4 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2021-11-12 22:36:20,858 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:36:26,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:36:26,593 INFO L93 Difference]: Finished difference Result 52427 states and 73354 transitions. [2021-11-12 22:36:26,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:36:26,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 4 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 122 [2021-11-12 22:36:26,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:36:26,889 INFO L225 Difference]: With dead ends: 52427 [2021-11-12 22:36:26,890 INFO L226 Difference]: Without dead ends: 38280 [2021-11-12 22:36:26,998 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:36:26,999 INFO L933 BasicCegarLoop]: 3226 mSDtfsCounter, 5318 mSDsluCounter, 3603 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 712 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6034.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5318 SdHoareTripleChecker+Valid, 6829 SdHoareTripleChecker+Invalid, 1417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 33.16ms SdHoareTripleChecker+Time, 712 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6753.30ms IncrementalHoareTripleChecker+Time [2021-11-12 22:36:26,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5318 Valid, 6829 Invalid, 1417 Unknown, 0 Unchecked, 33.16ms Time], IncrementalHoareTripleChecker [712 Valid, 704 Invalid, 1 Unknown, 0 Unchecked, 6753.30ms Time] [2021-11-12 22:36:27,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38280 states. [2021-11-12 22:36:29,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38280 to 38192. [2021-11-12 22:36:29,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38192 states, 27208 states have (on average 1.2984048809173772) internal successors, (35327), 27807 states have internal predecessors, (35327), 8958 states have call successors, (8958), 2048 states have call predecessors, (8958), 2023 states have return successors, (9062), 8615 states have call predecessors, (9062), 8954 states have call successors, (9062) [2021-11-12 22:36:29,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38192 states to 38192 states and 53347 transitions. [2021-11-12 22:36:29,452 INFO L78 Accepts]: Start accepts. Automaton has 38192 states and 53347 transitions. Word has length 122 [2021-11-12 22:36:29,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:36:29,453 INFO L470 AbstractCegarLoop]: Abstraction has 38192 states and 53347 transitions. [2021-11-12 22:36:29,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 4 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2021-11-12 22:36:29,454 INFO L276 IsEmpty]: Start isEmpty. Operand 38192 states and 53347 transitions. [2021-11-12 22:36:29,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-12 22:36:29,456 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:36:29,457 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:36:29,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 22:36:29,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:36:29,676 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 22:36:29,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:36:29,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1030222312, now seen corresponding path program 1 times [2021-11-12 22:36:29,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:36:29,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [929515036] [2021-11-12 22:36:29,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:36:29,679 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:36:29,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:36:29,680 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:36:29,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 22:36:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:36:31,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 1375 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:36:31,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:36:31,957 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2021-11-12 22:36:31,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:36:32,321 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-11-12 22:36:32,322 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:36:32,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [929515036] [2021-11-12 22:36:32,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [929515036] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:36:32,322 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:36:32,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:36:32,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315651421] [2021-11-12 22:36:32,323 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:36:32,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:36:32,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:36:32,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:36:32,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:36:32,324 INFO L87 Difference]: Start difference. First operand 38192 states and 53347 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 4 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2021-11-12 22:36:34,513 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:36:41,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:36:41,066 INFO L93 Difference]: Finished difference Result 94953 states and 132156 transitions. [2021-11-12 22:36:41,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:36:41,073 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 4 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 126 [2021-11-12 22:36:41,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:36:41,617 INFO L225 Difference]: With dead ends: 94953 [2021-11-12 22:36:41,618 INFO L226 Difference]: Without dead ends: 56782 [2021-11-12 22:36:41,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:36:41,764 INFO L933 BasicCegarLoop]: 3306 mSDtfsCounter, 4818 mSDsluCounter, 3276 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 502 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6009.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4818 SdHoareTripleChecker+Valid, 6582 SdHoareTripleChecker+Invalid, 1398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.87ms SdHoareTripleChecker+Time, 502 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6625.68ms IncrementalHoareTripleChecker+Time [2021-11-12 22:36:41,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4818 Valid, 6582 Invalid, 1398 Unknown, 0 Unchecked, 27.87ms Time], IncrementalHoareTripleChecker [502 Valid, 895 Invalid, 1 Unknown, 0 Unchecked, 6625.68ms Time] [2021-11-12 22:36:41,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56782 states. [2021-11-12 22:36:44,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56782 to 56698. [2021-11-12 22:36:44,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56698 states, 40982 states have (on average 1.303303889512469) internal successors, (53412), 41903 states have internal predecessors, (53412), 12451 states have call successors, (12451), 3313 states have call predecessors, (12451), 3262 states have return successors, (12519), 11909 states have call predecessors, (12519), 12447 states have call successors, (12519) [2021-11-12 22:36:44,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56698 states to 56698 states and 78382 transitions. [2021-11-12 22:36:44,880 INFO L78 Accepts]: Start accepts. Automaton has 56698 states and 78382 transitions. Word has length 126 [2021-11-12 22:36:44,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:36:44,882 INFO L470 AbstractCegarLoop]: Abstraction has 56698 states and 78382 transitions. [2021-11-12 22:36:44,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 4 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2021-11-12 22:36:44,883 INFO L276 IsEmpty]: Start isEmpty. Operand 56698 states and 78382 transitions. [2021-11-12 22:36:44,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-12 22:36:44,885 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:36:44,885 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:36:44,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 22:36:45,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:36:45,108 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 22:36:45,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:36:45,109 INFO L85 PathProgramCache]: Analyzing trace with hash -155362643, now seen corresponding path program 1 times [2021-11-12 22:36:45,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:36:45,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [687597499] [2021-11-12 22:36:45,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:36:45,111 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:36:45,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:36:45,113 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:36:45,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 22:36:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:36:47,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 1341 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:36:47,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:36:47,388 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2021-11-12 22:36:47,388 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:36:47,704 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-11-12 22:36:47,705 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:36:47,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [687597499] [2021-11-12 22:36:47,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [687597499] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:36:47,705 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:36:47,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-12 22:36:47,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140382958] [2021-11-12 22:36:47,706 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:36:47,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-12 22:36:47,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:36:47,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-12 22:36:47,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 22:36:47,708 INFO L87 Difference]: Start difference. First operand 56698 states and 78382 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-11-12 22:36:49,868 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:36:53,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:36:53,269 INFO L93 Difference]: Finished difference Result 152742 states and 211282 transitions. [2021-11-12 22:36:53,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-12 22:36:53,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 128 [2021-11-12 22:36:53,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:36:53,888 INFO L225 Difference]: With dead ends: 152742 [2021-11-12 22:36:53,889 INFO L226 Difference]: Without dead ends: 96065 [2021-11-12 22:36:54,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-12 22:36:54,105 INFO L933 BasicCegarLoop]: 2767 mSDtfsCounter, 2161 mSDsluCounter, 2317 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2262.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2161 SdHoareTripleChecker+Valid, 5084 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.11ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2316.67ms IncrementalHoareTripleChecker+Time [2021-11-12 22:36:54,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2161 Valid, 5084 Invalid, 53 Unknown, 0 Unchecked, 12.11ms Time], IncrementalHoareTripleChecker [7 Valid, 45 Invalid, 1 Unknown, 0 Unchecked, 2316.67ms Time] [2021-11-12 22:36:54,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96065 states. [2021-11-12 22:36:58,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96065 to 96011. [2021-11-12 22:36:58,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96011 states, 69151 states have (on average 1.3017599167040246) internal successors, (90018), 70660 states have internal predecessors, (90018), 21208 states have call successors, (21208), 5750 states have call predecessors, (21208), 5649 states have return successors, (21354), 20236 states have call predecessors, (21354), 21204 states have call successors, (21354) [2021-11-12 22:36:59,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96011 states to 96011 states and 132580 transitions. [2021-11-12 22:36:59,401 INFO L78 Accepts]: Start accepts. Automaton has 96011 states and 132580 transitions. Word has length 128 [2021-11-12 22:36:59,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 22:36:59,402 INFO L470 AbstractCegarLoop]: Abstraction has 96011 states and 132580 transitions. [2021-11-12 22:36:59,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-11-12 22:36:59,402 INFO L276 IsEmpty]: Start isEmpty. Operand 96011 states and 132580 transitions. [2021-11-12 22:36:59,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-12 22:36:59,405 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:36:59,405 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:36:59,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 22:36:59,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:36:59,620 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 22:36:59,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:36:59,621 INFO L85 PathProgramCache]: Analyzing trace with hash 982818423, now seen corresponding path program 1 times [2021-11-12 22:36:59,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:36:59,622 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [526859241] [2021-11-12 22:36:59,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:36:59,623 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:36:59,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:36:59,623 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:36:59,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15040a6f-4134-42cd-b7b2-544f6670899d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-12 22:37:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 22:37:01,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 1372 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 22:37:01,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 22:37:01,737 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2021-11-12 22:37:01,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 22:37:02,137 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2021-11-12 22:37:02,138 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 22:37:02,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [526859241] [2021-11-12 22:37:02,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [526859241] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 22:37:02,138 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 22:37:02,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 22:37:02,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551817041] [2021-11-12 22:37:02,139 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 22:37:02,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 22:37:02,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 22:37:02,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 22:37:02,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:37:02,141 INFO L87 Difference]: Start difference. First operand 96011 states and 132580 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 4 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-12 22:37:04,303 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 22:37:18,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 22:37:18,480 INFO L93 Difference]: Finished difference Result 380145 states and 525169 transitions. [2021-11-12 22:37:18,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 22:37:18,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 4 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 145 [2021-11-12 22:37:18,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 22:37:20,108 INFO L225 Difference]: With dead ends: 380145 [2021-11-12 22:37:20,108 INFO L226 Difference]: Without dead ends: 284155 [2021-11-12 22:37:20,425 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 22:37:20,426 INFO L933 BasicCegarLoop]: 3566 mSDtfsCounter, 5908 mSDsluCounter, 3880 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 731 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5940.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5908 SdHoareTripleChecker+Valid, 7446 SdHoareTripleChecker+Invalid, 1569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 25.92ms SdHoareTripleChecker+Time, 731 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6555.86ms IncrementalHoareTripleChecker+Time [2021-11-12 22:37:20,426 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5908 Valid, 7446 Invalid, 1569 Unknown, 0 Unchecked, 25.92ms Time], IncrementalHoareTripleChecker [731 Valid, 837 Invalid, 1 Unknown, 0 Unchecked, 6555.86ms Time] [2021-11-12 22:37:20,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284155 states.