./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.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_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/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_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/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_557f7be5-fae6-406c-bc9b-2ff12ca27365/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 8ce45e17f6cb4c017891df1db140fbcb2581e20f4065ad4296f4e21077bc6fbb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:46:46,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:46:46,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:46:46,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:46:46,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:46:46,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:46:46,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:46:46,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:46:46,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:46:46,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:46:46,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:46:46,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:46:46,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:46:46,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:46:46,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:46:46,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:46:46,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:46:46,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:46:46,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:46:46,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:46:46,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:46:46,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:46:46,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:46:46,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:46:46,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:46:46,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:46:46,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:46:46,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:46:46,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:46:46,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:46:46,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:46:46,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:46:46,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:46:46,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:46:46,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:46:46,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:46:46,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:46:46,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:46:46,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:46:46,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:46:46,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:46:46,367 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 14:46:46,418 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:46:46,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:46:46,419 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:46:46,420 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:46:46,420 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:46:46,420 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:46:46,421 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:46:46,421 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:46:46,421 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:46:46,421 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:46:46,429 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:46:46,429 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:46:46,429 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:46:46,430 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:46:46,430 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:46:46,430 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:46:46,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:46:46,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:46:46,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:46:46,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:46:46,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:46:46,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:46:46,433 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:46:46,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:46:46,433 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:46:46,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:46:46,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:46:46,434 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:46:46,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:46:46,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:46:46,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:46:46,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:46:46,437 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:46:46,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:46:46,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:46:46,438 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:46:46,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:46:46,438 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_557f7be5-fae6-406c-bc9b-2ff12ca27365/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ce45e17f6cb4c017891df1db140fbcb2581e20f4065ad4296f4e21077bc6fbb [2021-11-19 14:46:46,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:46:46,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:46:46,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:46:46,756 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:46:46,757 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:46:46,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i [2021-11-19 14:46:46,844 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/data/c1b68bc5e/2fed121e7f0e49479bab3c6118c3750d/FLAGace967740 [2021-11-19 14:46:47,966 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:46:47,967 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i [2021-11-19 14:46:48,035 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/data/c1b68bc5e/2fed121e7f0e49479bab3c6118c3750d/FLAGace967740 [2021-11-19 14:46:48,229 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/data/c1b68bc5e/2fed121e7f0e49479bab3c6118c3750d [2021-11-19 14:46:48,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:46:48,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:46:48,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:46:48,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:46:48,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:46:48,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:48" (1/1) ... [2021-11-19 14:46:48,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a8b614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:48, skipping insertion in model container [2021-11-19 14:46:48,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:48" (1/1) ... [2021-11-19 14:46:48,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:46:48,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:46:49,801 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 14:46:49,803 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 14:46:50,800 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 14:46:50,801 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 14:46:51,574 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_557f7be5-fae6-406c-bc9b-2ff12ca27365/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389426,389439] [2021-11-19 14:46:51,578 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_557f7be5-fae6-406c-bc9b-2ff12ca27365/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389592,389605] [2021-11-19 14:46:51,579 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_557f7be5-fae6-406c-bc9b-2ff12ca27365/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389756,389769] [2021-11-19 14:46:51,579 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_557f7be5-fae6-406c-bc9b-2ff12ca27365/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389921,389934] [2021-11-19 14:46:51,599 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:46:51,709 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 14:46:51,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2742e3ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:51, skipping insertion in model container [2021-11-19 14:46:51,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:46:51,710 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 14:46:51,712 INFO L158 Benchmark]: Toolchain (without parser) took 3478.13ms. Allocated memory was 94.4MB in the beginning and 159.4MB in the end (delta: 65.0MB). Free memory was 61.7MB in the beginning and 86.5MB in the end (delta: -24.8MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2021-11-19 14:46:51,714 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory was 66.6MB in the beginning and 66.6MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:46:51,715 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3475.68ms. Allocated memory was 94.4MB in the beginning and 159.4MB in the end (delta: 65.0MB). Free memory was 61.4MB in the beginning and 86.5MB in the end (delta: -25.1MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2021-11-19 14:46:51,718 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory was 66.6MB in the beginning and 66.6MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3475.68ms. Allocated memory was 94.4MB in the beginning and 159.4MB in the end (delta: 65.0MB). Free memory was 61.4MB in the beginning and 86.5MB in the end (delta: -25.1MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5650]: 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_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/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_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/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_557f7be5-fae6-406c-bc9b-2ff12ca27365/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 8ce45e17f6cb4c017891df1db140fbcb2581e20f4065ad4296f4e21077bc6fbb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:46:54,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:46:54,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:46:54,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:46:54,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:46:54,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:46:54,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:46:54,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:46:54,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:46:54,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:46:54,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:46:54,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:46:54,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:46:54,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:46:54,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:46:54,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:46:54,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:46:54,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:46:54,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:46:54,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:46:54,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:46:54,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:46:54,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:46:54,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:46:54,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:46:54,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:46:54,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:46:54,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:46:54,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:46:54,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:46:54,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:46:54,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:46:54,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:46:54,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:46:54,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:46:54,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:46:54,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:46:54,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:46:54,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:46:54,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:46:54,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:46:54,220 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 14:46:54,267 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:46:54,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:46:54,268 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:46:54,269 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:46:54,269 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:46:54,269 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:46:54,269 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:46:54,270 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:46:54,270 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:46:54,270 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:46:54,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:46:54,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:46:54,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:46:54,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:46:54,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:46:54,274 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:46:54,275 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 14:46:54,275 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 14:46:54,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:46:54,275 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:46:54,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:46:54,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:46:54,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 14:46:54,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:46:54,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:46:54,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:46:54,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:46:54,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:46:54,277 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 14:46:54,278 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 14:46:54,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:46:54,278 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:46:54,278 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:46:54,279 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_557f7be5-fae6-406c-bc9b-2ff12ca27365/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ce45e17f6cb4c017891df1db140fbcb2581e20f4065ad4296f4e21077bc6fbb [2021-11-19 14:46:54,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:46:54,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:46:54,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:46:54,737 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:46:54,738 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:46:54,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i [2021-11-19 14:46:54,805 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/data/f3eb08983/d4d93920ebd54d7f905d4164922c93d2/FLAGb35bd5017 [2021-11-19 14:46:55,952 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:46:55,953 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i [2021-11-19 14:46:56,025 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/data/f3eb08983/d4d93920ebd54d7f905d4164922c93d2/FLAGb35bd5017 [2021-11-19 14:46:56,231 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/data/f3eb08983/d4d93920ebd54d7f905d4164922c93d2 [2021-11-19 14:46:56,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:46:56,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:46:56,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:46:56,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:46:56,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:46:56,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:56" (1/1) ... [2021-11-19 14:46:56,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab8a836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:56, skipping insertion in model container [2021-11-19 14:46:56,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:56" (1/1) ... [2021-11-19 14:46:56,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:46:56,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:46:59,770 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_557f7be5-fae6-406c-bc9b-2ff12ca27365/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389426,389439] [2021-11-19 14:46:59,773 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_557f7be5-fae6-406c-bc9b-2ff12ca27365/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389592,389605] [2021-11-19 14:46:59,774 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_557f7be5-fae6-406c-bc9b-2ff12ca27365/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389756,389769] [2021-11-19 14:46:59,775 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_557f7be5-fae6-406c-bc9b-2ff12ca27365/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389921,389934] [2021-11-19 14:46:59,791 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:46:59,909 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:46:59,985 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:47:00,434 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_557f7be5-fae6-406c-bc9b-2ff12ca27365/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389426,389439] [2021-11-19 14:47:00,435 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_557f7be5-fae6-406c-bc9b-2ff12ca27365/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389592,389605] [2021-11-19 14:47:00,435 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_557f7be5-fae6-406c-bc9b-2ff12ca27365/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389756,389769] [2021-11-19 14:47:00,436 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_557f7be5-fae6-406c-bc9b-2ff12ca27365/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389921,389934] [2021-11-19 14:47:00,444 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:47:00,517 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:47:01,015 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_557f7be5-fae6-406c-bc9b-2ff12ca27365/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389426,389439] [2021-11-19 14:47:01,016 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_557f7be5-fae6-406c-bc9b-2ff12ca27365/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389592,389605] [2021-11-19 14:47:01,016 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_557f7be5-fae6-406c-bc9b-2ff12ca27365/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389756,389769] [2021-11-19 14:47:01,017 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_557f7be5-fae6-406c-bc9b-2ff12ca27365/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389921,389934] [2021-11-19 14:47:01,028 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:47:01,617 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:47:01,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:01 WrapperNode [2021-11-19 14:47:01,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:47:01,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:47:01,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:47:01,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:47:01,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:01" (1/1) ... [2021-11-19 14:47:01,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:01" (1/1) ... [2021-11-19 14:47:02,001 INFO L137 Inliner]: procedures = 413, calls = 3706, calls flagged for inlining = 224, calls inlined = 212, statements flattened = 6433 [2021-11-19 14:47:02,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:47:02,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:47:02,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:47:02,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:47:02,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:01" (1/1) ... [2021-11-19 14:47:02,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:01" (1/1) ... [2021-11-19 14:47:02,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:01" (1/1) ... [2021-11-19 14:47:02,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:01" (1/1) ... [2021-11-19 14:47:02,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:01" (1/1) ... [2021-11-19 14:47:02,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:01" (1/1) ... [2021-11-19 14:47:02,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:01" (1/1) ... [2021-11-19 14:47:02,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:47:02,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:47:02,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:47:02,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:47:02,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:01" (1/1) ... [2021-11-19 14:47:02,520 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:47:02,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:47:02,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:47:02,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:47:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_phy_mutex_of_usbnet [2021-11-19 14:47:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_phy_mutex_of_usbnet [2021-11-19 14:47:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure asix_write_medium_mode [2021-11-19 14:47:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_write_medium_mode [2021-11-19 14:47:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure mii_check_media [2021-11-19 14:47:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_check_media [2021-11-19 14:47:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 14:47:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 14:47:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_nway_reset [2021-11-19 14:47:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_nway_reset [2021-11-19 14:47:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_link [2021-11-19 14:47:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_link [2021-11-19 14:47:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:47:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:47:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure asix_write_rx_ctl [2021-11-19 14:47:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_write_rx_ctl [2021-11-19 14:47:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_stop [2021-11-19 14:47:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_stop [2021-11-19 14:47:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_settings [2021-11-19 14:47:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_settings [2021-11-19 14:47:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure ax88178_reset [2021-11-19 14:47:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88178_reset [2021-11-19 14:47:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-19 14:47:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-19 14:47:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_settings [2021-11-19 14:47:02,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_settings [2021-11-19 14:47:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure asix_mdio_write [2021-11-19 14:47:02,609 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_mdio_write [2021-11-19 14:47:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure asix_status [2021-11-19 14:47:02,609 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_status [2021-11-19 14:47:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure asix_read_rx_ctl [2021-11-19 14:47:02,610 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_read_rx_ctl [2021-11-19 14:47:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2021-11-19 14:47:02,610 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2021-11-19 14:47:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-19 14:47:02,610 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-19 14:47:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure asix_set_eeprom [2021-11-19 14:47:02,611 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_set_eeprom [2021-11-19 14:47:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:47:02,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:47:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 14:47:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 14:47:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-19 14:47:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-19 14:47:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 14:47:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 14:47:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:47:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:47:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-19 14:47:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-19 14:47:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_reset_phy [2021-11-19 14:47:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_reset_phy [2021-11-19 14:47:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:47:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_unbind [2021-11-19 14:47:02,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_unbind [2021-11-19 14:47:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 14:47:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure ax88772_link_reset [2021-11-19 14:47:02,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88772_link_reset [2021-11-19 14:47:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:47:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:47:02,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:47:02,617 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 14:47:02,617 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 14:47:02,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_asix_driver_exit_10_2 [2021-11-19 14:47:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_asix_driver_exit_10_2 [2021-11-19 14:47:02,618 INFO L130 BoogieDeclarations]: Found specification of procedure asix_set_netdev_dev_addr [2021-11-19 14:47:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_set_netdev_dev_addr [2021-11-19 14:47:02,618 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_bind [2021-11-19 14:47:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_bind [2021-11-19 14:47:02,619 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2021-11-19 14:47:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2021-11-19 14:47:02,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:47:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:47:02,619 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2021-11-19 14:47:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2021-11-19 14:47:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure ax88178_bind [2021-11-19 14:47:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88178_bind [2021-11-19 14:47:02,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:47:02,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:47:02,621 INFO L130 BoogieDeclarations]: Found specification of procedure asix_read_phy_addr [2021-11-19 14:47:02,621 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_read_phy_addr [2021-11-19 14:47:02,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 14:47:02,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 14:47:02,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_phy_mutex_of_usbnet [2021-11-19 14:47:02,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_phy_mutex_of_usbnet [2021-11-19 14:47:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure asix_rx_fixup_internal [2021-11-19 14:47:02,623 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_rx_fixup_internal [2021-11-19 14:47:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:47:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 14:47:02,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 14:47:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 14:47:02,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 14:47:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:47:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-19 14:47:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-19 14:47:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_eeprom_len [2021-11-19 14:47:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_eeprom_len [2021-11-19 14:47:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:47:02,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:47:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 14:47:02,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 14:47:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:47:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:47:02,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:47:02,629 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_wol [2021-11-19 14:47:02,630 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_wol [2021-11-19 14:47:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:47:02,630 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2021-11-19 14:47:02,631 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2021-11-19 14:47:02,631 INFO L130 BoogieDeclarations]: Found specification of procedure asix_write_cmd_async [2021-11-19 14:47:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_write_cmd_async [2021-11-19 14:47:02,632 INFO L130 BoogieDeclarations]: Found specification of procedure ax88772_unbind [2021-11-19 14:47:02,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88772_unbind [2021-11-19 14:47:02,639 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_reset [2021-11-19 14:47:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_reset [2021-11-19 14:47:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172_link_reset [2021-11-19 14:47:02,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172_link_reset [2021-11-19 14:47:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_start_xmit [2021-11-19 14:47:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_start_xmit [2021-11-19 14:47:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-19 14:47:02,641 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-19 14:47:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_drvinfo [2021-11-19 14:47:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_drvinfo [2021-11-19 14:47:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:47:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure asix_set_hw_mii [2021-11-19 14:47:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_set_hw_mii [2021-11-19 14:47:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:47:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:47:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:47:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-19 14:47:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-19 14:47:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_msglevel [2021-11-19 14:47:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_msglevel [2021-11-19 14:47:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2021-11-19 14:47:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2021-11-19 14:47:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:47:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:47:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:47:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:47:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:47:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:47:02,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:47:02,644 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_set_settings [2021-11-19 14:47:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_set_settings [2021-11-19 14:47:02,645 INFO L130 BoogieDeclarations]: Found specification of procedure ax88772_reset [2021-11-19 14:47:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88772_reset [2021-11-19 14:47:02,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_6_4 [2021-11-19 14:47:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_6_4 [2021-11-19 14:47:02,645 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_phyid [2021-11-19 14:47:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_phyid [2021-11-19 14:47:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2021-11-19 14:47:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2021-11-19 14:47:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-11-19 14:47:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-11-19 14:47:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure asix_tx_fixup [2021-11-19 14:47:02,646 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_tx_fixup [2021-11-19 14:47:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-19 14:47:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-19 14:47:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:47:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:47:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2021-11-19 14:47:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2021-11-19 14:47:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_msglevel [2021-11-19 14:47:02,647 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_msglevel [2021-11-19 14:47:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-19 14:47:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-19 14:47:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure asix_sw_reset [2021-11-19 14:47:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_sw_reset [2021-11-19 14:47:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:47:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172_bind [2021-11-19 14:47:02,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172_bind [2021-11-19 14:47:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_phy_addr [2021-11-19 14:47:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_phy_addr [2021-11-19 14:47:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure asix_write_cmd [2021-11-19 14:47:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_write_cmd [2021-11-19 14:47:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-19 14:47:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-19 14:47:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure asix_read_medium_status [2021-11-19 14:47:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_read_medium_status [2021-11-19 14:47:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:47:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:47:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:47:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:47:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:47:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:47:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure asix_read_cmd [2021-11-19 14:47:02,651 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_read_cmd [2021-11-19 14:47:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-19 14:47:02,651 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-19 14:47:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 14:47:02,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 14:47:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_nway_reset [2021-11-19 14:47:02,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_nway_reset [2021-11-19 14:47:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:47:02,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:47:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 14:47:02,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 14:47:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure asix_write_gpio [2021-11-19 14:47:02,652 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_write_gpio [2021-11-19 14:47:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-19 14:47:02,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-19 14:47:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure asix_mdio_read [2021-11-19 14:47:02,653 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_mdio_read [2021-11-19 14:47:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2021-11-19 14:47:02,653 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2021-11-19 14:47:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure ax88178_link_reset [2021-11-19 14:47:02,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88178_link_reset [2021-11-19 14:47:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:47:02,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:47:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2021-11-19 14:47:02,654 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2021-11-19 14:47:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 14:47:02,654 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 14:47:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 14:47:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 14:47:02,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-19 14:47:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-19 14:47:02,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:47:02,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:47:02,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:47:02,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:47:02,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:47:02,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:47:02,656 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_adjust_link [2021-11-19 14:47:02,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_adjust_link [2021-11-19 14:47:02,656 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172_set_multicast [2021-11-19 14:47:02,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172_set_multicast [2021-11-19 14:47:02,656 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_rx_fixup [2021-11-19 14:47:02,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_rx_fixup [2021-11-19 14:47:02,657 INFO L130 BoogieDeclarations]: Found specification of procedure asix_set_sw_mii [2021-11-19 14:47:02,658 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_set_sw_mii [2021-11-19 14:47:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure ax88772_bind [2021-11-19 14:47:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88772_bind [2021-11-19 14:47:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_status [2021-11-19 14:47:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_status [2021-11-19 14:47:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure asix_rx_fixup_common [2021-11-19 14:47:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_rx_fixup_common [2021-11-19 14:47:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:47:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:47:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2021-11-19 14:47:02,664 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2021-11-19 14:47:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-11-19 14:47:02,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-11-19 14:47:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_eeprom [2021-11-19 14:47:02,665 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_eeprom [2021-11-19 14:47:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:47:02,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:47:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure asix_set_wol [2021-11-19 14:47:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_set_wol [2021-11-19 14:47:03,805 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:47:03,812 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:47:08,038 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:48:34,459 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 14:48:36,845 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:48:36,893 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:48:36,895 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 14:48:36,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:36 BoogieIcfgContainer [2021-11-19 14:48:36,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:48:36,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:48:36,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:48:36,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:48:36,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:46:56" (1/3) ... [2021-11-19 14:48:36,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48722b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:48:36, skipping insertion in model container [2021-11-19 14:48:36,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:01" (2/3) ... [2021-11-19 14:48:36,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48722b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:48:36, skipping insertion in model container [2021-11-19 14:48:36,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:36" (3/3) ... [2021-11-19 14:48:36,914 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i [2021-11-19 14:48:36,922 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:48:36,923 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-19 14:48:37,051 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:48:37,061 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 14:48:37,062 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 14:48:37,166 INFO L276 IsEmpty]: Start isEmpty. Operand has 2302 states, 1606 states have (on average 1.290161892901619) internal successors, (2072), 1617 states have internal predecessors, (2072), 586 states have call successors, (586), 109 states have call predecessors, (586), 108 states have return successors, (579), 574 states have call predecessors, (579), 579 states have call successors, (579) [2021-11-19 14:48:37,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2021-11-19 14:48:37,215 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:48:37,218 INFO L514 BasicCegarLoop]: trace histogram [39, 39, 38, 38, 38, 38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:48:37,219 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_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:48:37,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:48:37,228 INFO L85 PathProgramCache]: Analyzing trace with hash -686347856, now seen corresponding path program 1 times [2021-11-19 14:48:37,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:48:37,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1611137956] [2021-11-19 14:48:37,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:48:37,259 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:48:37,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:48:37,263 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:48:37,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:48:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:48:42,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 4336 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:48:42,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:48:43,329 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 6327 trivial. 0 not checked. [2021-11-19 14:48:43,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:48:44,721 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6441 trivial. 0 not checked. [2021-11-19 14:48:44,722 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:48:44,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1611137956] [2021-11-19 14:48:44,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1611137956] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:48:44,724 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:48:44,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:48:44,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590221584] [2021-11-19 14:48:44,728 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:48:44,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:48:44,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:48:44,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:48:44,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:48:44,780 INFO L87 Difference]: Start difference. First operand has 2302 states, 1606 states have (on average 1.290161892901619) internal successors, (2072), 1617 states have internal predecessors, (2072), 586 states have call successors, (586), 109 states have call predecessors, (586), 108 states have return successors, (579), 574 states have call predecessors, (579), 579 states have call successors, (579) Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 4 states have call successors, (45), 3 states have call predecessors, (45), 3 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2021-11-19 14:48:47,670 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:03,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:49:03,943 INFO L93 Difference]: Finished difference Result 8768 states and 12491 transitions. [2021-11-19 14:49:03,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:49:03,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 4 states have call successors, (45), 3 states have call predecessors, (45), 3 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) Word has length 448 [2021-11-19 14:49:03,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:49:04,051 INFO L225 Difference]: With dead ends: 8768 [2021-11-19 14:49:04,051 INFO L226 Difference]: Without dead ends: 6528 [2021-11-19 14:49:04,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 894 GetRequests, 892 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:49:04,088 INFO L933 BasicCegarLoop]: 4274 mSDtfsCounter, 8093 mSDsluCounter, 5004 mSDsCounter, 0 mSdLazyCounter, 1201 mSolverCounterSat, 1066 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8093 SdHoareTripleChecker+Valid, 9278 SdHoareTripleChecker+Invalid, 2268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1066 IncrementalHoareTripleChecker+Valid, 1201 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:49:04,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8093 Valid, 9278 Invalid, 2268 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1066 Valid, 1201 Invalid, 1 Unknown, 0 Unchecked, 18.4s Time] [2021-11-19 14:49:04,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6528 states. [2021-11-19 14:49:04,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6528 to 6510. [2021-11-19 14:49:04,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6510 states, 4584 states have (on average 1.2949389179755673) internal successors, (5936), 4610 states have internal predecessors, (5936), 1606 states have call successors, (1606), 318 states have call predecessors, (1606), 317 states have return successors, (1602), 1587 states have call predecessors, (1602), 1602 states have call successors, (1602) [2021-11-19 14:49:04,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6510 states to 6510 states and 9144 transitions. [2021-11-19 14:49:04,712 INFO L78 Accepts]: Start accepts. Automaton has 6510 states and 9144 transitions. Word has length 448 [2021-11-19 14:49:04,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:49:04,716 INFO L470 AbstractCegarLoop]: Abstraction has 6510 states and 9144 transitions. [2021-11-19 14:49:04,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 4 states have call successors, (45), 3 states have call predecessors, (45), 3 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2021-11-19 14:49:04,716 INFO L276 IsEmpty]: Start isEmpty. Operand 6510 states and 9144 transitions. [2021-11-19 14:49:04,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2021-11-19 14:49:04,749 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:49:04,749 INFO L514 BasicCegarLoop]: trace histogram [39, 39, 38, 38, 38, 38, 38, 38, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:49:04,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:49:04,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:49:04,978 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:49:04,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:49:04,979 INFO L85 PathProgramCache]: Analyzing trace with hash 727431744, now seen corresponding path program 1 times [2021-11-19 14:49:04,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:49:04,985 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1689507391] [2021-11-19 14:49:04,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:49:04,985 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:49:04,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:49:04,987 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:49:05,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:49:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:49:10,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 4657 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:49:10,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:49:12,225 INFO L134 CoverageAnalysis]: Checked inductivity of 6450 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 6336 trivial. 0 not checked. [2021-11-19 14:49:12,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:49:13,623 INFO L134 CoverageAnalysis]: Checked inductivity of 6450 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6450 trivial. 0 not checked. [2021-11-19 14:49:13,624 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:49:13,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1689507391] [2021-11-19 14:49:13,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1689507391] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:49:13,624 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:49:13,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:49:13,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329866471] [2021-11-19 14:49:13,627 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:49:13,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:49:13,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:49:13,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:49:13,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:49:13,636 INFO L87 Difference]: Start difference. First operand 6510 states and 9144 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 4 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2021-11-19 14:49:16,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:33,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:49:33,726 INFO L93 Difference]: Finished difference Result 21215 states and 29740 transitions. [2021-11-19 14:49:33,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:49:33,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 4 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) Word has length 506 [2021-11-19 14:49:33,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:49:33,893 INFO L225 Difference]: With dead ends: 21215 [2021-11-19 14:49:33,894 INFO L226 Difference]: Without dead ends: 14786 [2021-11-19 14:49:33,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1010 GetRequests, 1008 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:49:33,943 INFO L933 BasicCegarLoop]: 4215 mSDtfsCounter, 8023 mSDsluCounter, 4946 mSDsCounter, 0 mSdLazyCounter, 1229 mSolverCounterSat, 1061 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8023 SdHoareTripleChecker+Valid, 9161 SdHoareTripleChecker+Invalid, 2291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1061 IncrementalHoareTripleChecker+Valid, 1229 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:49:33,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8023 Valid, 9161 Invalid, 2291 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1061 Valid, 1229 Invalid, 1 Unknown, 0 Unchecked, 19.2s Time] [2021-11-19 14:49:33,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14786 states. [2021-11-19 14:49:34,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14786 to 14744. [2021-11-19 14:49:35,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14744 states, 10419 states have (on average 1.2948459545061906) internal successors, (13491), 10483 states have internal predecessors, (13491), 3577 states have call successors, (3577), 746 states have call predecessors, (3577), 745 states have return successors, (3573), 3528 states have call predecessors, (3573), 3573 states have call successors, (3573) [2021-11-19 14:49:35,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14744 states to 14744 states and 20641 transitions. [2021-11-19 14:49:35,120 INFO L78 Accepts]: Start accepts. Automaton has 14744 states and 20641 transitions. Word has length 506 [2021-11-19 14:49:35,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:49:35,123 INFO L470 AbstractCegarLoop]: Abstraction has 14744 states and 20641 transitions. [2021-11-19 14:49:35,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 4 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2021-11-19 14:49:35,125 INFO L276 IsEmpty]: Start isEmpty. Operand 14744 states and 20641 transitions. [2021-11-19 14:49:35,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 513 [2021-11-19 14:49:35,157 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:49:35,158 INFO L514 BasicCegarLoop]: trace histogram [39, 39, 38, 38, 38, 38, 38, 38, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:49:35,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:49:35,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:49:35,374 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:49:35,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:49:35,375 INFO L85 PathProgramCache]: Analyzing trace with hash -2058409882, now seen corresponding path program 1 times [2021-11-19 14:49:35,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:49:35,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [524174406] [2021-11-19 14:49:35,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:49:35,381 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:49:35,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:49:35,382 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:49:35,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:49:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:49:40,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 4681 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:49:40,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:49:42,304 INFO L134 CoverageAnalysis]: Checked inductivity of 6450 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 6336 trivial. 0 not checked. [2021-11-19 14:49:42,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:49:43,796 INFO L134 CoverageAnalysis]: Checked inductivity of 6450 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6450 trivial. 0 not checked. [2021-11-19 14:49:43,797 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:49:43,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [524174406] [2021-11-19 14:49:43,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [524174406] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:49:43,797 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:49:43,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:49:43,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100238308] [2021-11-19 14:49:43,798 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:49:43,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:49:43,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:49:43,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:49:43,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:49:43,800 INFO L87 Difference]: Start difference. First operand 14744 states and 20641 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 4 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2021-11-19 14:49:46,466 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:49:58,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:49:58,793 INFO L93 Difference]: Finished difference Result 53716 states and 75079 transitions. [2021-11-19 14:49:58,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:49:58,793 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 4 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) Word has length 512 [2021-11-19 14:49:58,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:49:59,180 INFO L225 Difference]: With dead ends: 53716 [2021-11-19 14:49:59,180 INFO L226 Difference]: Without dead ends: 39053 [2021-11-19 14:49:59,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1022 GetRequests, 1020 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:49:59,262 INFO L933 BasicCegarLoop]: 4273 mSDtfsCounter, 6108 mSDsluCounter, 5577 mSDsCounter, 0 mSdLazyCounter, 1232 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6108 SdHoareTripleChecker+Valid, 9850 SdHoareTripleChecker+Invalid, 1271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1232 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:49:59,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6108 Valid, 9850 Invalid, 1271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1232 Invalid, 1 Unknown, 0 Unchecked, 13.8s Time] [2021-11-19 14:49:59,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39053 states. [2021-11-19 14:50:01,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39053 to 39015. [2021-11-19 14:50:01,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39015 states, 27643 states have (on average 1.293889954057085) internal successors, (35767), 27821 states have internal predecessors, (35767), 9340 states have call successors, (9340), 2030 states have call predecessors, (9340), 2029 states have return successors, (9336), 9201 states have call predecessors, (9336), 9336 states have call successors, (9336) [2021-11-19 14:50:02,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39015 states to 39015 states and 54443 transitions. [2021-11-19 14:50:02,412 INFO L78 Accepts]: Start accepts. Automaton has 39015 states and 54443 transitions. Word has length 512 [2021-11-19 14:50:02,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:50:02,414 INFO L470 AbstractCegarLoop]: Abstraction has 39015 states and 54443 transitions. [2021-11-19 14:50:02,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 4 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2021-11-19 14:50:02,415 INFO L276 IsEmpty]: Start isEmpty. Operand 39015 states and 54443 transitions. [2021-11-19 14:50:02,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2021-11-19 14:50:02,482 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:50:02,483 INFO L514 BasicCegarLoop]: trace histogram [39, 39, 38, 38, 38, 38, 38, 38, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:50:02,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:50:02,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:50:02,698 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:50:02,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:50:02,699 INFO L85 PathProgramCache]: Analyzing trace with hash -883530721, now seen corresponding path program 1 times [2021-11-19 14:50:02,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:50:02,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [648420167] [2021-11-19 14:50:02,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:50:02,708 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:50:02,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:50:02,709 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:50:02,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:50:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:50:08,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 4685 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:50:08,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:50:10,665 INFO L134 CoverageAnalysis]: Checked inductivity of 6450 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 6336 trivial. 0 not checked. [2021-11-19 14:50:10,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:50:12,284 INFO L134 CoverageAnalysis]: Checked inductivity of 6450 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6450 trivial. 0 not checked. [2021-11-19 14:50:12,285 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:50:12,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [648420167] [2021-11-19 14:50:12,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [648420167] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:50:12,285 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:50:12,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:50:12,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906472801] [2021-11-19 14:50:12,286 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:50:12,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:50:12,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:50:12,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:50:12,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:50:12,293 INFO L87 Difference]: Start difference. First operand 39015 states and 54443 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 4 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2021-11-19 14:50:14,980 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:50:28,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:50:28,613 INFO L93 Difference]: Finished difference Result 142695 states and 198042 transitions. [2021-11-19 14:50:28,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:50:28,614 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 4 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) Word has length 513 [2021-11-19 14:50:28,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:50:29,534 INFO L225 Difference]: With dead ends: 142695 [2021-11-19 14:50:29,535 INFO L226 Difference]: Without dead ends: 103761 [2021-11-19 14:50:29,656 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1024 GetRequests, 1022 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:50:29,657 INFO L933 BasicCegarLoop]: 4492 mSDtfsCounter, 5834 mSDsluCounter, 5612 mSDsCounter, 0 mSdLazyCounter, 1154 mSolverCounterSat, 35 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5834 SdHoareTripleChecker+Valid, 10104 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1154 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:50:29,657 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5834 Valid, 10104 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1154 Invalid, 1 Unknown, 0 Unchecked, 13.3s Time] [2021-11-19 14:50:29,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103761 states. [2021-11-19 14:50:34,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103761 to 103715. [2021-11-19 14:50:35,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103715 states, 73848 states have (on average 1.2881594626800996) internal successors, (95128), 74183 states have internal predecessors, (95128), 24170 states have call successors, (24170), 5695 states have call predecessors, (24170), 5694 states have return successors, (24166), 23946 states have call predecessors, (24166), 24166 states have call successors, (24166) [2021-11-19 14:50:36,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103715 states to 103715 states and 143464 transitions. [2021-11-19 14:50:36,047 INFO L78 Accepts]: Start accepts. Automaton has 103715 states and 143464 transitions. Word has length 513 [2021-11-19 14:50:36,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:50:36,050 INFO L470 AbstractCegarLoop]: Abstraction has 103715 states and 143464 transitions. [2021-11-19 14:50:36,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 4 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2021-11-19 14:50:36,050 INFO L276 IsEmpty]: Start isEmpty. Operand 103715 states and 143464 transitions. [2021-11-19 14:50:36,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2021-11-19 14:50:36,082 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:50:36,082 INFO L514 BasicCegarLoop]: trace histogram [39, 39, 38, 38, 38, 38, 38, 38, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:50:36,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:50:36,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:50:36,306 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:50:36,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:50:36,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1583604651, now seen corresponding path program 1 times [2021-11-19 14:50:36,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:50:36,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1923250286] [2021-11-19 14:50:36,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:50:36,315 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:50:36,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:50:36,317 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:50:36,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557f7be5-fae6-406c-bc9b-2ff12ca27365/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:50:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:50:42,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 4686 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:50:42,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:50:44,743 INFO L134 CoverageAnalysis]: Checked inductivity of 6450 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 6336 trivial. 0 not checked. [2021-11-19 14:50:44,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:50:46,607 INFO L134 CoverageAnalysis]: Checked inductivity of 6450 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6450 trivial. 0 not checked. [2021-11-19 14:50:46,608 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:50:46,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1923250286] [2021-11-19 14:50:46,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1923250286] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:50:46,609 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:50:46,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:50:46,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94448721] [2021-11-19 14:50:46,610 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:50:46,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:50:46,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:50:46,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:50:46,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:50:46,614 INFO L87 Difference]: Start difference. First operand 103715 states and 143464 transitions. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 4 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2021-11-19 14:50:49,403 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:51:10,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:51:10,729 INFO L93 Difference]: Finished difference Result 391077 states and 540170 transitions. [2021-11-19 14:51:10,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:51:10,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 4 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) Word has length 514 [2021-11-19 14:51:10,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:51:12,241 INFO L225 Difference]: With dead ends: 391077 [2021-11-19 14:51:12,241 INFO L226 Difference]: Without dead ends: 287443 [2021-11-19 14:51:12,598 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1026 GetRequests, 1024 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:51:12,599 INFO L933 BasicCegarLoop]: 5048 mSDtfsCounter, 5995 mSDsluCounter, 5910 mSDsCounter, 0 mSdLazyCounter, 1154 mSolverCounterSat, 35 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5995 SdHoareTripleChecker+Valid, 10958 SdHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1154 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2021-11-19 14:51:12,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5995 Valid, 10958 Invalid, 1190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1154 Invalid, 1 Unknown, 0 Unchecked, 13.9s Time] [2021-11-19 14:51:13,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287443 states.