./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs --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 a3d1583250bab7d5c6e3cae163663e7ac3704cf0fb6c32d7f6b8a0a0c30f1a49 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:59:10,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:59:10,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:59:10,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:59:10,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:59:10,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:59:10,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:59:10,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:59:10,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:59:10,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:59:10,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:59:10,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:59:10,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:59:10,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:59:10,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:59:10,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:59:10,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:59:10,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:59:10,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:59:10,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:59:10,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:59:10,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:59:10,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:59:10,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:59:10,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:59:10,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:59:10,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:59:10,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:59:10,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:59:10,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:59:10,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:59:10,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:59:10,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:59:10,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:59:10,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:59:10,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:59:10,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:59:10,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:59:10,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:59:10,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:59:10,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:59:10,862 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:59:10,916 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:59:10,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:59:10,919 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:59:10,919 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:59:10,919 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:59:10,920 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:59:10,920 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:59:10,920 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:59:10,928 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:59:10,929 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:59:10,931 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:59:10,931 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:59:10,931 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:59:10,932 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:59:10,932 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:59:10,932 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:59:10,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:59:10,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:59:10,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:59:10,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:59:10,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:59:10,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:59:10,935 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:59:10,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:59:10,936 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:59:10,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:59:10,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:59:10,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:59:10,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:59:10,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:59:10,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:59:10,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:59:10,941 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:59:10,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:59:10,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:59:10,942 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:59:10,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:59:10,943 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_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3d1583250bab7d5c6e3cae163663e7ac3704cf0fb6c32d7f6b8a0a0c30f1a49 [2021-11-19 14:59:11,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:59:11,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:59:11,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:59:11,370 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:59:11,371 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:59:11,373 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 14:59:11,465 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/data/34fafde2f/6d8839ad51f94b82a74056a4271682d8/FLAGc982fcc20 [2021-11-19 14:59:12,940 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:59:12,942 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 14:59:13,051 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/data/34fafde2f/6d8839ad51f94b82a74056a4271682d8/FLAGc982fcc20 [2021-11-19 14:59:13,362 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/data/34fafde2f/6d8839ad51f94b82a74056a4271682d8 [2021-11-19 14:59:13,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:59:13,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:59:13,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:59:13,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:59:13,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:59:13,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:13" (1/1) ... [2021-11-19 14:59:13,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@141d7c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:13, skipping insertion in model container [2021-11-19 14:59:13,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:13" (1/1) ... [2021-11-19 14:59:13,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:59:13,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:59:18,303 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:59:18,801 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:59:18,899 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:59:19,118 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:59:19,152 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:59:19,160 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:59:19,274 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:59:19,329 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:59:20,264 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:59:20,336 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:59:20,441 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:59:20,456 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:59:21,229 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 14:59:22,550 WARN L230 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_19119228-7e5f-4389-853a-accbc1983840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752340,752353] [2021-11-19 14:59:22,554 WARN L230 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_19119228-7e5f-4389-853a-accbc1983840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752506,752519] [2021-11-19 14:59:22,554 WARN L230 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_19119228-7e5f-4389-853a-accbc1983840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752670,752683] [2021-11-19 14:59:22,555 WARN L230 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_19119228-7e5f-4389-853a-accbc1983840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752835,752848] [2021-11-19 14:59:22,703 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:59:22,808 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) [2021-11-19 14:59:22,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@466238e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:22, skipping insertion in model container [2021-11-19 14:59:22,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:59:22,810 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:59:22,813 INFO L158 Benchmark]: Toolchain (without parser) took 9444.35ms. Allocated memory was 134.2MB in the beginning and 262.1MB in the end (delta: 127.9MB). Free memory was 87.3MB in the beginning and 162.1MB in the end (delta: -74.8MB). Peak memory consumption was 116.5MB. Max. memory is 16.1GB. [2021-11-19 14:59:22,815 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 134.2MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:59:22,817 INFO L158 Benchmark]: CACSL2BoogieTranslator took 9440.66ms. Allocated memory was 134.2MB in the beginning and 262.1MB in the end (delta: 127.9MB). Free memory was 86.8MB in the beginning and 162.1MB in the end (delta: -75.3MB). Peak memory consumption was 116.5MB. Max. memory is 16.1GB. [2021-11-19 14:59:22,820 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 134.2MB. Free memory is still 110.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 9440.66ms. Allocated memory was 134.2MB in the beginning and 262.1MB in the end (delta: 127.9MB). Free memory was 86.8MB in the beginning and 162.1MB in the end (delta: -75.3MB). Peak memory consumption was 116.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8326]: 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_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs --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 a3d1583250bab7d5c6e3cae163663e7ac3704cf0fb6c32d7f6b8a0a0c30f1a49 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:59:25,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:59:25,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:59:25,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:59:25,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:59:25,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:59:25,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:59:25,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:59:25,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:59:25,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:59:25,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:59:25,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:59:25,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:59:25,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:59:25,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:59:25,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:59:25,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:59:25,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:59:25,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:59:25,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:59:25,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:59:25,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:59:25,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:59:25,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:59:25,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:59:25,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:59:25,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:59:25,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:59:25,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:59:25,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:59:25,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:59:25,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:59:25,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:59:25,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:59:25,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:59:25,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:59:25,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:59:25,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:59:25,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:59:25,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:59:25,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:59:25,834 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:59:25,882 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:59:25,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:59:25,885 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:59:25,886 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:59:25,886 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:59:25,886 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:59:25,887 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:59:25,887 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:59:25,887 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:59:25,888 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:59:25,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:59:25,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:59:25,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:59:25,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:59:25,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:59:25,893 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:59:25,893 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:59:25,894 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:59:25,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:59:25,894 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:59:25,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:59:25,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:59:25,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:59:25,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:59:25,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:59:25,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:59:25,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:59:25,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:59:25,898 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:59:25,898 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:59:25,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:59:25,898 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:59:25,899 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:59:25,899 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_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3d1583250bab7d5c6e3cae163663e7ac3704cf0fb6c32d7f6b8a0a0c30f1a49 [2021-11-19 14:59:26,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:59:26,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:59:26,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:59:26,452 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:59:26,453 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:59:26,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 14:59:26,543 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/data/1c89097c1/1a47bf9c2e1e4c5cba5ae0b356df42bc/FLAG6cde01909 [2021-11-19 14:59:28,161 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:59:28,162 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 14:59:28,325 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/data/1c89097c1/1a47bf9c2e1e4c5cba5ae0b356df42bc/FLAG6cde01909 [2021-11-19 14:59:28,549 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/data/1c89097c1/1a47bf9c2e1e4c5cba5ae0b356df42bc [2021-11-19 14:59:28,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:59:28,553 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:59:28,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:59:28,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:59:28,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:59:28,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:28" (1/1) ... [2021-11-19 14:59:28,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19551c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:28, skipping insertion in model container [2021-11-19 14:59:28,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:28" (1/1) ... [2021-11-19 14:59:28,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:59:29,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:59:38,297 WARN L230 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_19119228-7e5f-4389-853a-accbc1983840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752340,752353] [2021-11-19 14:59:38,301 WARN L230 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_19119228-7e5f-4389-853a-accbc1983840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752506,752519] [2021-11-19 14:59:38,302 WARN L230 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_19119228-7e5f-4389-853a-accbc1983840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752670,752683] [2021-11-19 14:59:38,303 WARN L230 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_19119228-7e5f-4389-853a-accbc1983840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752835,752848] [2021-11-19 14:59:38,385 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:59:38,505 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:59:38,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:59:39,619 WARN L230 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_19119228-7e5f-4389-853a-accbc1983840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752340,752353] [2021-11-19 14:59:39,620 WARN L230 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_19119228-7e5f-4389-853a-accbc1983840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752506,752519] [2021-11-19 14:59:39,621 WARN L230 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_19119228-7e5f-4389-853a-accbc1983840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752670,752683] [2021-11-19 14:59:39,621 WARN L230 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_19119228-7e5f-4389-853a-accbc1983840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752835,752848] [2021-11-19 14:59:39,641 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:59:39,690 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:59:41,098 WARN L230 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_19119228-7e5f-4389-853a-accbc1983840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752340,752353] [2021-11-19 14:59:41,099 WARN L230 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_19119228-7e5f-4389-853a-accbc1983840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752506,752519] [2021-11-19 14:59:41,101 WARN L230 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_19119228-7e5f-4389-853a-accbc1983840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752670,752683] [2021-11-19 14:59:41,105 WARN L230 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_19119228-7e5f-4389-853a-accbc1983840/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i[752835,752848] [2021-11-19 14:59:41,119 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:59:41,492 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:59:41,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41 WrapperNode [2021-11-19 14:59:41,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:59:41,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:59:41,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:59:41,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:59:41,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41" (1/1) ... [2021-11-19 14:59:41,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41" (1/1) ... [2021-11-19 14:59:42,300 INFO L137 Inliner]: procedures = 677, calls = 11540, calls flagged for inlining = 347, calls inlined = 238, statements flattened = 12453 [2021-11-19 14:59:42,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:59:42,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:59:42,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:59:42,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:59:42,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41" (1/1) ... [2021-11-19 14:59:42,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41" (1/1) ... [2021-11-19 14:59:42,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41" (1/1) ... [2021-11-19 14:59:42,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41" (1/1) ... [2021-11-19 14:59:42,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41" (1/1) ... [2021-11-19 14:59:42,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41" (1/1) ... [2021-11-19 14:59:42,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41" (1/1) ... [2021-11-19 14:59:43,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:59:43,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:59:43,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:59:43,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:59:43,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41" (1/1) ... [2021-11-19 14:59:43,045 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:59:43,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:59:43,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:59:43,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:59:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-19 14:59:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-19 14:59:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 14:59:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 14:59:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure read_register [2021-11-19 14:59:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register [2021-11-19 14:59:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_data [2021-11-19 14:59:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_data [2021-11-19 14:59:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure write_register_byte [2021-11-19 14:59:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register_byte [2021-11-19 14:59:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:59:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:59:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-19 14:59:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-19 14:59:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-11-19 14:59:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-11-19 14:59:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_release_firmware [2021-11-19 14:59:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_release_firmware [2021-11-19 14:59:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_configure_security [2021-11-19 14:59:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_configure_security [2021-11-19 14:59:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 14:59:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 14:59:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-19 14:59:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-19 14:59:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_adapter [2021-11-19 14:59:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_adapter [2021-11-19 14:59:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_security_information [2021-11-19 14:59:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_security_information [2021-11-19 14:59:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-19 14:59:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-19 14:59:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 14:59:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 14:59:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 14:59:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 14:59:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:59:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:59:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 14:59:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 14:59:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 14:59:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 14:59:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mandatory_bssid [2021-11-19 14:59:43,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mandatory_bssid [2021-11-19 14:59:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:59:43,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:59:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-19 14:59:43,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-19 14:59:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 14:59:43,157 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 14:59:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2021-11-19 14:59:43,158 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2021-11-19 14:59:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_unregister [2021-11-19 14:59:43,158 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_unregister [2021-11-19 14:59:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_adapter [2021-11-19 14:59:43,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_adapter [2021-11-19 14:59:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-19 14:59:43,159 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-19 14:59:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:59:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 14:59:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:59:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:59:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:59:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_send_command [2021-11-19 14:59:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_send_command [2021-11-19 14:59:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-19 14:59:43,162 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-19 14:59:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_word [2021-11-19 14:59:43,162 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_word [2021-11-19 14:59:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 14:59:43,162 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 14:59:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure isr_scan_complete [2021-11-19 14:59:43,163 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_scan_complete [2021-11-19 14:59:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_power_mode [2021-11-19 14:59:43,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_power_mode [2021-11-19 14:59:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 14:59:43,164 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 14:59:43,165 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_byte [2021-11-19 14:59:43,165 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_byte [2021-11-19 14:59:43,165 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 14:59:43,165 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 14:59:43,166 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-11-19 14:59:43,166 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-11-19 14:59:43,167 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 14:59:43,167 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 14:59:43,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-19 14:59:43,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-19 14:59:43,168 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_dword [2021-11-19 14:59:43,168 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_dword [2021-11-19 14:59:43,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:59:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:59:43,169 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_channel [2021-11-19 14:59:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_channel [2021-11-19 14:59:43,169 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 14:59:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 14:59:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_up [2021-11-19 14:59:43,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_up [2021-11-19 14:59:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_commands [2021-11-19 14:59:43,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_commands [2021-11-19 14:59:43,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:59:43,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:59:43,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 14:59:43,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 14:59:43,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 14:59:43,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 14:59:43,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 14:59:43,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 14:59:43,176 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-19 14:59:43,177 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-19 14:59:43,177 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-19 14:59:43,178 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-19 14:59:43,178 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_adapter [2021-11-19 14:59:43,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_adapter [2021-11-19 14:59:43,179 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 14:59:43,180 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 14:59:43,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_action_mutex_of_ipw2100_priv [2021-11-19 14:59:43,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_action_mutex_of_ipw2100_priv [2021-11-19 14:59:43,187 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_scan_options [2021-11-19 14:59:43,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_scan_options [2021-11-19 14:59:43,187 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_txb_free [2021-11-19 14:59:43,187 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_txb_free [2021-11-19 14:59:43,188 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_fatalerror [2021-11-19 14:59:43,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_fatalerror [2021-11-19 14:59:43,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:59:43,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:59:43,188 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_rates [2021-11-19 14:59:43,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_rates [2021-11-19 14:59:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:59:43,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:59:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure print_ssid [2021-11-19 14:59:43,189 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ssid [2021-11-19 14:59:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 14:59:43,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 14:59:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:59:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-19 14:59:43,190 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-19 14:59:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 14:59:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:59:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:59:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:59:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_snapshot_free [2021-11-19 14:59:43,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_snapshot_free [2021-11-19 14:59:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure snprint_line [2021-11-19 14:59:43,192 INFO L138 BoogieDeclarations]: Found implementation of procedure snprint_line [2021-11-19 14:59:43,192 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_reset [2021-11-19 14:59:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_reset [2021-11-19 14:59:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-19 14:59:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-19 14:59:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 14:59:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 14:59:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure sw_reset_and_clock [2021-11-19 14:59:43,194 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_reset_and_clock [2021-11-19 14:59:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_interrupts [2021-11-19 14:59:43,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_interrupts [2021-11-19 14:59:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-19 14:59:43,194 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-19 14:59:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_resume [2021-11-19 14:59:43,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_resume [2021-11-19 14:59:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:59:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-11-19 14:59:43,196 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-11-19 14:59:43,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:59:43,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:59:43,196 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2021-11-19 14:59:43,196 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2021-11-19 14:59:43,196 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_pci_remove_one [2021-11-19 14:59:43,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_pci_remove_one [2021-11-19 14:59:43,197 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_free [2021-11-19 14:59:43,197 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_free [2021-11-19 14:59:43,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:59:43,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-19 14:59:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-19 14:59:43,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:59:43,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:59:43,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:59:43,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:59:43,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:59:43,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:59:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:59:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_alloc_skb [2021-11-19 14:59:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_alloc_skb [2021-11-19 14:59:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-19 14:59:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-19 14:59:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_get_ordinal [2021-11-19 14:59:43,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_get_ordinal [2021-11-19 14:59:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_stop_adapter [2021-11-19 14:59:43,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_stop_adapter [2021-11-19 14:59:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure write_register [2021-11-19 14:59:43,201 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register [2021-11-19 14:59:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_set_gpio [2021-11-19 14:59:43,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_set_gpio [2021-11-19 14:59:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-19 14:59:43,202 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-19 14:59:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_down [2021-11-19 14:59:43,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_down [2021-11-19 14:59:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_adapter_mutex_of_ipw2100_priv [2021-11-19 14:59:43,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_adapter_mutex_of_ipw2100_priv [2021-11-19 14:59:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_close [2021-11-19 14:59:43,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_close [2021-11-19 14:59:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_wait_for_card_state [2021-11-19 14:59:43,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_wait_for_card_state [2021-11-19 14:59:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_rf_kill [2021-11-19 14:59:43,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_rf_kill [2021-11-19 14:59:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 14:59:43,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 14:59:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure read_register_byte [2021-11-19 14:59:43,204 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register_byte [2021-11-19 14:59:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure status_queue_free [2021-11-19 14:59:43,205 INFO L138 BoogieDeclarations]: Found implementation of procedure status_queue_free [2021-11-19 14:59:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-19 14:59:43,205 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-19 14:59:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:59:43,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:59:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 14:59:43,206 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 14:59:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_rx_free [2021-11-19 14:59:43,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_rx_free [2021-11-19 14:59:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-19 14:59:43,207 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-19 14:59:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-19 14:59:43,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-19 14:59:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 14:59:43,207 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 14:59:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-19 14:59:43,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-19 14:59:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:59:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure mod_delayed_work [2021-11-19 14:59:43,208 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_delayed_work [2021-11-19 14:59:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 14:59:43,208 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 14:59:43,209 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_shutdown [2021-11-19 14:59:43,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_shutdown [2021-11-19 14:59:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:59:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_word [2021-11-19 14:59:43,214 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_word [2021-11-19 14:59:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_association_lost [2021-11-19 14:59:43,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_association_lost [2021-11-19 14:59:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_free [2021-11-19 14:59:43,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_free [2021-11-19 14:59:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mac_address [2021-11-19 14:59:43,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mac_address [2021-11-19 14:59:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_essid [2021-11-19 14:59:43,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_essid [2021-11-19 14:59:43,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:59:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:59:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:59:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-19 14:59:43,219 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-19 14:59:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:59:43,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:59:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_interrupts [2021-11-19 14:59:43,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_interrupts [2021-11-19 14:59:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-19 14:59:43,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-19 14:59:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-19 14:59:43,220 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-19 14:59:43,220 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-19 14:59:43,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-19 14:59:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_rts_threshold [2021-11-19 14:59:43,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_rts_threshold [2021-11-19 14:59:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_byte [2021-11-19 14:59:43,221 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_byte [2021-11-19 14:59:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 14:59:43,222 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 14:59:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure free_libipw [2021-11-19 14:59:43,222 INFO L138 BoogieDeclarations]: Found implementation of procedure free_libipw [2021-11-19 14:59:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:59:43,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:59:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-19 14:59:43,223 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-19 14:59:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-19 14:59:43,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-19 14:59:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_msg_free [2021-11-19 14:59:43,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_msg_free [2021-11-19 14:59:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure printk_buf [2021-11-19 14:59:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure printk_buf [2021-11-19 14:59:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure ipw_ethtool_get_drvinfo [2021-11-19 14:59:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw_ethtool_get_drvinfo [2021-11-19 14:59:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-11-19 14:59:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-11-19 14:59:43,224 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_power [2021-11-19 14:59:43,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_power [2021-11-19 14:59:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-19 14:59:43,225 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-19 14:59:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-19 14:59:43,225 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-19 14:59:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-19 14:59:43,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-19 14:59:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 14:59:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 14:59:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-11-19 14:59:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-11-19 14:59:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_system_config [2021-11-19 14:59:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_system_config [2021-11-19 14:59:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_kill_works [2021-11-19 14:59:43,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_kill_works [2021-11-19 14:59:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2021-11-19 14:59:43,227 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2021-11-19 14:59:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 14:59:43,227 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 14:59:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-19 14:59:43,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-19 14:59:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:59:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:59:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:59:43,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:59:43,229 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_free [2021-11-19 14:59:43,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_free [2021-11-19 14:59:43,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:59:43,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:59:43,229 INFO L130 BoogieDeclarations]: Found specification of procedure rf_kill_active [2021-11-19 14:59:43,229 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_kill_active [2021-11-19 14:59:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure get_seconds [2021-11-19 14:59:43,230 INFO L138 BoogieDeclarations]: Found implementation of procedure get_seconds [2021-11-19 14:59:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_allocate [2021-11-19 14:59:43,230 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_allocate [2021-11-19 14:59:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 14:59:43,230 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 14:59:43,230 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_priv [2021-11-19 14:59:43,231 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_priv [2021-11-19 14:59:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-19 14:59:43,231 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-19 14:59:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-19 14:59:43,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-19 14:59:43,231 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_timeout [2021-11-19 14:59:43,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_timeout [2021-11-19 14:59:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_action_mutex_of_ipw2100_priv [2021-11-19 14:59:43,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_action_mutex_of_ipw2100_priv [2021-11-19 14:59:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_adapter_mutex_of_ipw2100_priv [2021-11-19 14:59:43,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_adapter_mutex_of_ipw2100_priv [2021-11-19 14:59:43,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:59:43,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:59:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 14:59:43,233 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 14:59:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-19 14:59:43,233 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-19 14:59:43,233 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 14:59:43,234 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 14:59:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-19 14:59:43,234 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-19 14:59:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_open [2021-11-19 14:59:43,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_open [2021-11-19 14:59:43,234 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-19 14:59:43,234 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-19 14:59:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_initialize [2021-11-19 14:59:43,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_initialize [2021-11-19 14:59:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-19 14:59:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure pm_qos_update_request [2021-11-19 14:59:43,235 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_qos_update_request [2021-11-19 14:59:43,235 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_associated [2021-11-19 14:59:43,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_associated [2021-11-19 14:59:43,236 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_scanning [2021-11-19 14:59:43,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_scanning [2021-11-19 14:59:43,236 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_dword [2021-11-19 14:59:43,236 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_dword [2021-11-19 14:59:43,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:59:43,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:59:43,237 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-19 14:59:43,237 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-19 14:59:43,237 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_initialize [2021-11-19 14:59:43,237 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_initialize [2021-11-19 14:59:43,237 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_start_scan [2021-11-19 14:59:43,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_start_scan [2021-11-19 14:59:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-19 14:59:43,238 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-19 14:59:44,649 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:59:44,654 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:59:44,945 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 15:07:00,749 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 15:07:00,780 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 15:07:00,780 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-19 15:07:00,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:00 BoogieIcfgContainer [2021-11-19 15:07:00,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 15:07:00,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 15:07:00,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 15:07:00,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 15:07:00,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:59:28" (1/3) ... [2021-11-19 15:07:00,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71603458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:07:00, skipping insertion in model container [2021-11-19 15:07:00,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:41" (2/3) ... [2021-11-19 15:07:00,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71603458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:07:00, skipping insertion in model container [2021-11-19 15:07:00,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:00" (3/3) ... [2021-11-19 15:07:00,798 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-11-19 15:07:00,804 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 15:07:00,804 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-19 15:07:00,893 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 15:07:00,900 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 [2021-11-19 15:07:00,900 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 15:07:01,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 3483 states, 2476 states have (on average 1.3279483037156705) internal successors, (3288), 2502 states have internal predecessors, (3288), 839 states have call successors, (839), 165 states have call predecessors, (839), 164 states have return successors, (835), 834 states have call predecessors, (835), 835 states have call successors, (835) [2021-11-19 15:07:01,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-19 15:07:01,096 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:07:01,097 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-19 15:07:01,098 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 15:07:01,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:07:01,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1337009685, now seen corresponding path program 1 times [2021-11-19 15:07:01,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:07:01,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [52045610] [2021-11-19 15:07:01,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:07:01,135 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:07:01,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:07:01,142 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:07:01,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 15:07:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:07:15,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 8114 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:07:15,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:07:19,615 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 15:07:19,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:07:22,330 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 15:07:22,331 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:07:22,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [52045610] [2021-11-19 15:07:22,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [52045610] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:07:22,332 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 15:07:22,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-19 15:07:22,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178883879] [2021-11-19 15:07:22,335 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:07:22,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 15:07:22,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:07:22,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 15:07:22,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 15:07:22,386 INFO L87 Difference]: Start difference. First operand has 3483 states, 2476 states have (on average 1.3279483037156705) internal successors, (3288), 2502 states have internal predecessors, (3288), 839 states have call successors, (839), 165 states have call predecessors, (839), 164 states have return successors, (835), 834 states have call predecessors, (835), 835 states have call successors, (835) Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-19 15:07:23,749 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:07:26,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:07:26,512 INFO L93 Difference]: Finished difference Result 8850 states and 13360 transitions. [2021-11-19 15:07:26,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 15:07:26,515 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 51 [2021-11-19 15:07:26,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:07:26,614 INFO L225 Difference]: With dead ends: 8850 [2021-11-19 15:07:26,614 INFO L226 Difference]: Without dead ends: 5383 [2021-11-19 15:07:26,682 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-19 15:07:26,687 INFO L933 BasicCegarLoop]: 6773 mSDtfsCounter, 4756 mSDsluCounter, 29968 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4761 SdHoareTripleChecker+Valid, 36741 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 15:07:26,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4761 Valid, 36741 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 15:07:26,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5383 states. [2021-11-19 15:07:27,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5383 to 5379. [2021-11-19 15:07:27,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5379 states, 3861 states have (on average 1.3356643356643356) internal successors, (5157), 3888 states have internal predecessors, (5157), 1256 states have call successors, (1256), 260 states have call predecessors, (1256), 259 states have return successors, (1253), 1252 states have call predecessors, (1253), 1253 states have call successors, (1253) [2021-11-19 15:07:27,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5379 states to 5379 states and 7666 transitions. [2021-11-19 15:07:27,350 INFO L78 Accepts]: Start accepts. Automaton has 5379 states and 7666 transitions. Word has length 51 [2021-11-19 15:07:27,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:07:27,351 INFO L470 AbstractCegarLoop]: Abstraction has 5379 states and 7666 transitions. [2021-11-19 15:07:27,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-19 15:07:27,351 INFO L276 IsEmpty]: Start isEmpty. Operand 5379 states and 7666 transitions. [2021-11-19 15:07:27,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-19 15:07:27,356 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:07:27,357 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-11-19 15:07:27,558 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2021-11-19 15:07:27,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 15:07:27,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:07:27,577 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 15:07:27,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:07:27,578 INFO L85 PathProgramCache]: Analyzing trace with hash -251081265, now seen corresponding path program 1 times [2021-11-19 15:07:27,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:07:27,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2032040792] [2021-11-19 15:07:27,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:07:27,590 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:07:27,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:07:27,592 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:07:27,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 15:07:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:07:43,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 8121 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:07:43,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:07:48,481 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 15:07:48,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:07:51,447 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 15:07:51,447 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:07:51,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2032040792] [2021-11-19 15:07:51,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2032040792] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 15:07:51,448 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 15:07:51,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2021-11-19 15:07:51,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186933204] [2021-11-19 15:07:51,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:07:51,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:07:51,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:07:51,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:07:51,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 15:07:51,451 INFO L87 Difference]: Start difference. First operand 5379 states and 7666 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-19 15:07:52,902 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:07:55,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:07:55,691 INFO L93 Difference]: Finished difference Result 6369 states and 8974 transitions. [2021-11-19 15:07:55,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 15:07:55,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 56 [2021-11-19 15:07:55,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:07:55,762 INFO L225 Difference]: With dead ends: 6369 [2021-11-19 15:07:55,763 INFO L226 Difference]: Without dead ends: 6367 [2021-11-19 15:07:55,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 15:07:55,772 INFO L933 BasicCegarLoop]: 5082 mSDtfsCounter, 4789 mSDsluCounter, 10920 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4792 SdHoareTripleChecker+Valid, 16002 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-19 15:07:55,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4792 Valid, 16002 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-19 15:07:55,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6367 states. [2021-11-19 15:07:56,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6367 to 6365. [2021-11-19 15:07:56,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6365 states, 4585 states have (on average 1.3308615049073065) internal successors, (6102), 4616 states have internal predecessors, (6102), 1436 states have call successors, (1436), 342 states have call predecessors, (1436), 341 states have return successors, (1433), 1432 states have call predecessors, (1433), 1433 states have call successors, (1433) [2021-11-19 15:07:56,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6365 states to 6365 states and 8971 transitions. [2021-11-19 15:07:56,268 INFO L78 Accepts]: Start accepts. Automaton has 6365 states and 8971 transitions. Word has length 56 [2021-11-19 15:07:56,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:07:56,269 INFO L470 AbstractCegarLoop]: Abstraction has 6365 states and 8971 transitions. [2021-11-19 15:07:56,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-19 15:07:56,271 INFO L276 IsEmpty]: Start isEmpty. Operand 6365 states and 8971 transitions. [2021-11-19 15:07:56,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-19 15:07:56,282 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:07:56,283 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2021-11-19 15:07:56,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-19 15:07:56,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:07:56,499 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 15:07:56,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:07:56,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1790754859, now seen corresponding path program 1 times [2021-11-19 15:07:56,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:07:56,507 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1489668370] [2021-11-19 15:07:56,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:07:56,508 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:07:56,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:07:56,509 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:07:56,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 15:08:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:08:11,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 8128 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:08:12,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:08:16,964 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-19 15:08:16,964 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:08:19,692 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-19 15:08:19,692 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:08:19,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1489668370] [2021-11-19 15:08:19,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1489668370] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 15:08:19,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 15:08:19,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2021-11-19 15:08:19,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780765386] [2021-11-19 15:08:19,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:08:19,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:08:19,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:08:19,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:08:19,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 15:08:19,694 INFO L87 Difference]: Start difference. First operand 6365 states and 8971 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-19 15:08:21,067 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:08:23,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:08:23,199 INFO L93 Difference]: Finished difference Result 6371 states and 8976 transitions. [2021-11-19 15:08:23,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 15:08:23,200 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 61 [2021-11-19 15:08:23,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:08:23,280 INFO L225 Difference]: With dead ends: 6371 [2021-11-19 15:08:23,280 INFO L226 Difference]: Without dead ends: 6369 [2021-11-19 15:08:23,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 15:08:23,291 INFO L933 BasicCegarLoop]: 4929 mSDtfsCounter, 4905 mSDsluCounter, 9846 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4907 SdHoareTripleChecker+Valid, 14775 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-19 15:08:23,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4907 Valid, 14775 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-19 15:08:23,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6369 states. [2021-11-19 15:08:23,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6369 to 6369. [2021-11-19 15:08:23,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6369 states, 4588 states have (on average 1.3306451612903225) internal successors, (6105), 4619 states have internal predecessors, (6105), 1436 states have call successors, (1436), 343 states have call predecessors, (1436), 342 states have return successors, (1433), 1432 states have call predecessors, (1433), 1433 states have call successors, (1433) [2021-11-19 15:08:23,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6369 states to 6369 states and 8974 transitions. [2021-11-19 15:08:23,787 INFO L78 Accepts]: Start accepts. Automaton has 6369 states and 8974 transitions. Word has length 61 [2021-11-19 15:08:23,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:08:23,788 INFO L470 AbstractCegarLoop]: Abstraction has 6369 states and 8974 transitions. [2021-11-19 15:08:23,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-19 15:08:23,788 INFO L276 IsEmpty]: Start isEmpty. Operand 6369 states and 8974 transitions. [2021-11-19 15:08:23,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-19 15:08:23,793 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:08:23,793 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 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] [2021-11-19 15:08:24,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 15:08:24,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:08:24,019 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 15:08:24,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:08:24,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1697972465, now seen corresponding path program 1 times [2021-11-19 15:08:24,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:08:24,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2038081559] [2021-11-19 15:08:24,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:08:24,034 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:08:24,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:08:24,036 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:08:24,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 15:08:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:08:39,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 8135 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:08:39,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:08:45,396 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 15:08:45,397 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:08:48,268 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 15:08:48,269 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:08:48,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2038081559] [2021-11-19 15:08:48,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2038081559] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 15:08:48,269 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 15:08:48,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2021-11-19 15:08:48,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750969065] [2021-11-19 15:08:48,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:08:48,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:08:48,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:08:48,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:08:48,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 15:08:48,272 INFO L87 Difference]: Start difference. First operand 6369 states and 8974 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-19 15:08:49,753 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:08:52,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:08:52,265 INFO L93 Difference]: Finished difference Result 6375 states and 8979 transitions. [2021-11-19 15:08:52,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 15:08:52,266 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 66 [2021-11-19 15:08:52,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:08:52,332 INFO L225 Difference]: With dead ends: 6375 [2021-11-19 15:08:52,333 INFO L226 Difference]: Without dead ends: 6371 [2021-11-19 15:08:52,340 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 15:08:52,343 INFO L933 BasicCegarLoop]: 4929 mSDtfsCounter, 4905 mSDsluCounter, 9846 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4906 SdHoareTripleChecker+Valid, 14775 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-19 15:08:52,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4906 Valid, 14775 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-19 15:08:52,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6371 states. [2021-11-19 15:08:52,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6371 to 6371. [2021-11-19 15:08:52,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6371 states, 4590 states have (on average 1.3302832244008715) internal successors, (6106), 4620 states have internal predecessors, (6106), 1436 states have call successors, (1436), 344 states have call predecessors, (1436), 342 states have return successors, (1433), 1432 states have call predecessors, (1433), 1433 states have call successors, (1433) [2021-11-19 15:08:52,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6371 states to 6371 states and 8975 transitions. [2021-11-19 15:08:52,860 INFO L78 Accepts]: Start accepts. Automaton has 6371 states and 8975 transitions. Word has length 66 [2021-11-19 15:08:52,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:08:52,864 INFO L470 AbstractCegarLoop]: Abstraction has 6371 states and 8975 transitions. [2021-11-19 15:08:52,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-19 15:08:52,864 INFO L276 IsEmpty]: Start isEmpty. Operand 6371 states and 8975 transitions. [2021-11-19 15:08:52,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-19 15:08:52,867 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:08:52,867 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 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] [2021-11-19 15:08:53,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 15:08:53,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:08:53,083 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 15:08:53,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:08:53,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1792965013, now seen corresponding path program 1 times [2021-11-19 15:08:53,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:08:53,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [549304379] [2021-11-19 15:08:53,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:08:53,098 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:08:53,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:08:53,099 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:08:53,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 15:09:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:09:08,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 8142 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 15:09:08,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:09:14,265 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-19 15:09:14,265 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:09:17,351 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-19 15:09:17,351 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:09:17,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [549304379] [2021-11-19 15:09:17,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [549304379] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 15:09:17,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 15:09:17,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2021-11-19 15:09:17,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661581045] [2021-11-19 15:09:17,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:09:17,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 15:09:17,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:09:17,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 15:09:17,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 15:09:17,355 INFO L87 Difference]: Start difference. First operand 6371 states and 8975 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-19 15:09:18,749 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 15:09:20,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:09:20,801 INFO L93 Difference]: Finished difference Result 6371 states and 8975 transitions. [2021-11-19 15:09:20,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 15:09:20,802 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 71 [2021-11-19 15:09:20,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:09:20,881 INFO L225 Difference]: With dead ends: 6371 [2021-11-19 15:09:20,881 INFO L226 Difference]: Without dead ends: 5987 [2021-11-19 15:09:20,890 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 15:09:20,891 INFO L933 BasicCegarLoop]: 4927 mSDtfsCounter, 4901 mSDsluCounter, 9845 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4901 SdHoareTripleChecker+Valid, 14772 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-19 15:09:20,892 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4901 Valid, 14772 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-19 15:09:20,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5987 states. [2021-11-19 15:09:21,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5987 to 5987. [2021-11-19 15:09:21,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5987 states, 4309 states have (on average 1.3313993966117428) internal successors, (5737), 4334 states have internal predecessors, (5737), 1345 states have call successors, (1345), 331 states have call predecessors, (1345), 331 states have return successors, (1345), 1344 states have call predecessors, (1345), 1345 states have call successors, (1345) [2021-11-19 15:09:21,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5987 states to 5987 states and 8427 transitions. [2021-11-19 15:09:21,345 INFO L78 Accepts]: Start accepts. Automaton has 5987 states and 8427 transitions. Word has length 71 [2021-11-19 15:09:21,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:09:21,346 INFO L470 AbstractCegarLoop]: Abstraction has 5987 states and 8427 transitions. [2021-11-19 15:09:21,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-19 15:09:21,346 INFO L276 IsEmpty]: Start isEmpty. Operand 5987 states and 8427 transitions. [2021-11-19 15:09:21,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-19 15:09:21,353 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:09:21,353 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-19 15:09:21,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 15:09:21,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 15:09:21,567 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 15:09:21,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:09:21,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1707460365, now seen corresponding path program 1 times [2021-11-19 15:09:21,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:09:21,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1899419796] [2021-11-19 15:09:21,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:09:21,584 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:09:21,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:09:21,587 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:09:21,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 15:09:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:09:43,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 8801 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-19 15:09:43,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:09:49,169 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 79 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-19 15:09:49,169 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:09:56,016 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-19 15:09:56,016 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:09:56,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1899419796] [2021-11-19 15:09:56,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1899419796] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 15:09:56,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2000047365] [2021-11-19 15:09:56,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:09:56,017 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 15:09:56,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 15:09:56,021 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 15:09:56,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-11-19 15:10:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:10:03,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 8801 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 15:10:03,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:10:05,908 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-11-19 15:10:05,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:10:08,081 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-11-19 15:10:08,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2000047365] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 15:10:08,081 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-19 15:10:08,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8, 8] total 11 [2021-11-19 15:10:08,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828642629] [2021-11-19 15:10:08,082 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 15:10:08,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 15:10:08,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:10:08,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 15:10:08,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-19 15:10:08,084 INFO L87 Difference]: Start difference. First operand 5987 states and 8427 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-11-19 15:10:10,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:10:10,962 INFO L93 Difference]: Finished difference Result 12116 states and 17065 transitions. [2021-11-19 15:10:10,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 15:10:10,963 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 122 [2021-11-19 15:10:10,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:10:11,017 INFO L225 Difference]: With dead ends: 12116 [2021-11-19 15:10:11,017 INFO L226 Difference]: Without dead ends: 6147 [2021-11-19 15:10:11,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 475 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-19 15:10:11,062 INFO L933 BasicCegarLoop]: 4447 mSDtfsCounter, 317 mSDsluCounter, 4331 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 8778 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-19 15:10:11,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [408 Valid, 8778 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-19 15:10:11,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6147 states. [2021-11-19 15:10:11,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6147 to 5988. [2021-11-19 15:10:11,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5988 states, 4310 states have (on average 1.331322505800464) internal successors, (5738), 4335 states have internal predecessors, (5738), 1345 states have call successors, (1345), 331 states have call predecessors, (1345), 331 states have return successors, (1345), 1344 states have call predecessors, (1345), 1345 states have call successors, (1345) [2021-11-19 15:10:11,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5988 states to 5988 states and 8428 transitions. [2021-11-19 15:10:11,704 INFO L78 Accepts]: Start accepts. Automaton has 5988 states and 8428 transitions. Word has length 122 [2021-11-19 15:10:11,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:10:11,704 INFO L470 AbstractCegarLoop]: Abstraction has 5988 states and 8428 transitions. [2021-11-19 15:10:11,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-11-19 15:10:11,705 INFO L276 IsEmpty]: Start isEmpty. Operand 5988 states and 8428 transitions. [2021-11-19 15:10:11,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-19 15:10:11,711 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:10:11,712 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:10:11,912 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forcibly destroying the process [2021-11-19 15:10:11,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 15:10:11,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-11-19 15:10:12,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 15:10:12,131 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 15:10:12,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:10:12,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1619531845, now seen corresponding path program 1 times [2021-11-19 15:10:12,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:10:12,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1238969547] [2021-11-19 15:10:12,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:10:12,140 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:10:12,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:10:12,141 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:10:12,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 15:10:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:10:28,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 8412 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-19 15:10:28,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:10:36,256 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 106 proven. 3 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-11-19 15:10:36,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:10:43,703 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-11-19 15:10:43,703 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 15:10:43,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1238969547] [2021-11-19 15:10:43,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1238969547] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 15:10:43,704 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [631855982] [2021-11-19 15:10:43,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:10:43,704 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 15:10:43,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 15:10:43,707 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 15:10:43,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-11-19 15:11:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:11:47,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 8412 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-19 15:11:47,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 15:11:56,110 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-19 15:11:56,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 15:12:01,016 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-11-19 15:12:01,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [631855982] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 15:12:01,017 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-19 15:12:01,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 8, 6] total 13 [2021-11-19 15:12:01,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099686824] [2021-11-19 15:12:01,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 15:12:01,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 15:12:01,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 15:12:01,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 15:12:01,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-11-19 15:12:01,019 INFO L87 Difference]: Start difference. First operand 5988 states and 8428 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 4 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-19 15:12:02,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 15:12:02,582 INFO L93 Difference]: Finished difference Result 11962 states and 16837 transitions. [2021-11-19 15:12:02,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 15:12:02,583 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 4 states have call predecessors, (19), 3 states have call successors, (19) Word has length 148 [2021-11-19 15:12:02,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 15:12:02,623 INFO L225 Difference]: With dead ends: 11962 [2021-11-19 15:12:02,624 INFO L226 Difference]: Without dead ends: 5988 [2021-11-19 15:12:02,663 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 589 GetRequests, 577 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-19 15:12:02,664 INFO L933 BasicCegarLoop]: 4387 mSDtfsCounter, 513 mSDsluCounter, 16848 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 21235 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 15:12:02,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [694 Valid, 21235 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 15:12:02,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5988 states. [2021-11-19 15:12:03,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5988 to 5988. [2021-11-19 15:12:03,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5988 states, 4310 states have (on average 1.331090487238979) internal successors, (5737), 4334 states have internal predecessors, (5737), 1345 states have call successors, (1345), 331 states have call predecessors, (1345), 331 states have return successors, (1345), 1344 states have call predecessors, (1345), 1345 states have call successors, (1345) [2021-11-19 15:12:03,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5988 states to 5988 states and 8427 transitions. [2021-11-19 15:12:03,087 INFO L78 Accepts]: Start accepts. Automaton has 5988 states and 8427 transitions. Word has length 148 [2021-11-19 15:12:03,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 15:12:03,089 INFO L470 AbstractCegarLoop]: Abstraction has 5988 states and 8427 transitions. [2021-11-19 15:12:03,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 5 states have internal predecessors, (71), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 4 states have call predecessors, (19), 3 states have call successors, (19) [2021-11-19 15:12:03,090 INFO L276 IsEmpty]: Start isEmpty. Operand 5988 states and 8427 transitions. [2021-11-19 15:12:03,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-19 15:12:03,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 15:12:03,094 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 15:12:03,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-19 15:12:03,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2021-11-19 15:12:03,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 15:12:03,495 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 15:12:03,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 15:12:03,496 INFO L85 PathProgramCache]: Analyzing trace with hash -230716258, now seen corresponding path program 1 times [2021-11-19 15:12:03,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 15:12:03,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1762223853] [2021-11-19 15:12:03,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 15:12:03,504 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 15:12:03,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 15:12:03,508 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 15:12:03,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19119228-7e5f-4389-853a-accbc1983840/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-19 15:12:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 15:12:22,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 8423 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-19 15:12:22,084 INFO L286 TraceCheckSpWp]: Computing forward predicates...