./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.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_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/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_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/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_fb0e452e-1e86-4011-8961-0f76dbf1951c/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 08c4ab5181b7abd6700c38bd6f4a3ecc0debf94ce89805012c81d15880051c78 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:59:46,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:59:46,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:59:46,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:59:46,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:59:46,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:59:46,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:59:46,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:59:46,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:59:46,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:59:46,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:59:46,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:59:46,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:59:46,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:59:46,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:59:46,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:59:46,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:59:46,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:59:46,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:59:46,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:59:46,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:59:46,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:59:46,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:59:46,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:59:46,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:59:46,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:59:46,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:59:46,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:59:46,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:59:46,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:59:46,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:59:46,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:59:46,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:59:46,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:59:46,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:59:46,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:59:46,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:59:46,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:59:46,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:59:46,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:59:46,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:59:46,305 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:59:46,347 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:59:46,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:59:46,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:59:46,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:59:46,352 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:59:46,353 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:59:46,353 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:59:46,353 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:59:46,353 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:59:46,353 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:59:46,360 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:59:46,360 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:59:46,360 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:59:46,361 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:59:46,361 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:59:46,361 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:59:46,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:59:46,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:59:46,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:59:46,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:59:46,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:59:46,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:59:46,369 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:59:46,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:59:46,370 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:59:46,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:59:46,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:59:46,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:59:46,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:59:46,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:59:46,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:59:46,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:59:46,371 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:59:46,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:59:46,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:59:46,371 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:59:46,371 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:59:46,371 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_fb0e452e-1e86-4011-8961-0f76dbf1951c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08c4ab5181b7abd6700c38bd6f4a3ecc0debf94ce89805012c81d15880051c78 [2021-11-19 13:59:46,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:59:46,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:59:46,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:59:46,727 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:59:46,728 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:59:46,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-19 13:59:46,820 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/data/ef74e3024/a61b5078743d482ea3e92814e9615055/FLAG60331cc96 [2021-11-19 13:59:47,848 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:59:47,848 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-19 13:59:47,917 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/data/ef74e3024/a61b5078743d482ea3e92814e9615055/FLAG60331cc96 [2021-11-19 13:59:48,164 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/data/ef74e3024/a61b5078743d482ea3e92814e9615055 [2021-11-19 13:59:48,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:59:48,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:59:48,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:59:48,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:59:48,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:59:48,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:59:48" (1/1) ... [2021-11-19 13:59:48,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec099bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:48, skipping insertion in model container [2021-11-19 13:59:48,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:59:48" (1/1) ... [2021-11-19 13:59:48,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:59:48,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:59:51,128 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 13:59:51,136 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 13:59:51,144 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 13:59:51,748 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 13:59:51,749 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 13:59:52,047 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 13:59:53,505 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_fb0e452e-1e86-4011-8961-0f76dbf1951c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445714,445727] [2021-11-19 13:59:53,514 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_fb0e452e-1e86-4011-8961-0f76dbf1951c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445883,445896] [2021-11-19 13:59:53,515 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_fb0e452e-1e86-4011-8961-0f76dbf1951c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446050,446063] [2021-11-19 13:59:53,516 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_fb0e452e-1e86-4011-8961-0f76dbf1951c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446218,446231] [2021-11-19 13:59:53,560 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:59:53,704 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 13:59:53,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@269b3bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:53, skipping insertion in model container [2021-11-19 13:59:53,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:59:53,705 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:59:53,709 INFO L158 Benchmark]: Toolchain (without parser) took 5538.29ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 91.4MB in the beginning and 103.7MB in the end (delta: -12.4MB). Peak memory consumption was 89.8MB. Max. memory is 16.1GB. [2021-11-19 13:59:53,710 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:59:53,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5535.93ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 91.0MB in the beginning and 103.7MB in the end (delta: -12.7MB). Peak memory consumption was 89.8MB. Max. memory is 16.1GB. [2021-11-19 13:59:53,714 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5535.93ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 91.0MB in the beginning and 103.7MB in the end (delta: -12.7MB). Peak memory consumption was 89.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6624]: 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_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/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_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/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_fb0e452e-1e86-4011-8961-0f76dbf1951c/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 08c4ab5181b7abd6700c38bd6f4a3ecc0debf94ce89805012c81d15880051c78 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:59:56,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:59:56,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:59:56,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:59:56,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:59:56,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:59:56,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:59:56,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:59:56,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:59:56,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:59:56,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:59:56,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:59:56,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:59:56,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:59:56,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:59:56,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:59:56,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:59:56,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:59:56,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:59:56,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:59:56,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:59:56,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:59:56,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:59:56,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:59:56,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:59:56,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:59:56,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:59:56,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:59:56,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:59:56,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:59:56,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:59:56,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:59:56,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:59:56,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:59:56,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:59:56,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:59:56,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:59:56,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:59:56,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:59:56,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:59:56,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:59:56,255 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:59:56,282 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:59:56,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:59:56,288 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:59:56,288 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:59:56,288 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:59:56,288 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:59:56,289 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:59:56,289 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:59:56,289 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:59:56,290 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:59:56,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:59:56,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:59:56,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:59:56,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:59:56,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:59:56,294 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:59:56,294 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:59:56,294 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:59:56,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:59:56,295 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:59:56,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:59:56,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:59:56,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:59:56,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:59:56,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:59:56,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:59:56,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:59:56,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:59:56,297 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:59:56,297 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:59:56,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:59:56,298 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:59:56,298 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:59:56,298 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_fb0e452e-1e86-4011-8961-0f76dbf1951c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08c4ab5181b7abd6700c38bd6f4a3ecc0debf94ce89805012c81d15880051c78 [2021-11-19 13:59:56,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:59:56,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:59:56,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:59:56,748 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:59:56,749 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:59:56,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-19 13:59:56,826 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/data/0c2282a0f/ec2dffa28025448691a244ee4cecd1e9/FLAG10dbafe82 [2021-11-19 13:59:58,017 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:59:58,017 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-19 13:59:58,080 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/data/0c2282a0f/ec2dffa28025448691a244ee4cecd1e9/FLAG10dbafe82 [2021-11-19 13:59:58,251 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/data/0c2282a0f/ec2dffa28025448691a244ee4cecd1e9 [2021-11-19 13:59:58,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:59:58,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:59:58,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:59:58,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:59:58,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:59:58,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:59:58" (1/1) ... [2021-11-19 13:59:58,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d56a7fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:58, skipping insertion in model container [2021-11-19 13:59:58,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:59:58" (1/1) ... [2021-11-19 13:59:58,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:59:58,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:00:03,949 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_fb0e452e-1e86-4011-8961-0f76dbf1951c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445714,445727] [2021-11-19 14:00:03,958 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_fb0e452e-1e86-4011-8961-0f76dbf1951c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445883,445896] [2021-11-19 14:00:03,959 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_fb0e452e-1e86-4011-8961-0f76dbf1951c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446050,446063] [2021-11-19 14:00:03,959 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_fb0e452e-1e86-4011-8961-0f76dbf1951c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446218,446231] [2021-11-19 14:00:03,998 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:00:04,096 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 14:00:04,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:00:04,674 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_fb0e452e-1e86-4011-8961-0f76dbf1951c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445714,445727] [2021-11-19 14:00:04,674 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_fb0e452e-1e86-4011-8961-0f76dbf1951c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445883,445896] [2021-11-19 14:00:04,675 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_fb0e452e-1e86-4011-8961-0f76dbf1951c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446050,446063] [2021-11-19 14:00:04,675 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_fb0e452e-1e86-4011-8961-0f76dbf1951c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446218,446231] [2021-11-19 14:00:04,684 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:00:04,733 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:00:05,316 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_fb0e452e-1e86-4011-8961-0f76dbf1951c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445714,445727] [2021-11-19 14:00:05,317 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_fb0e452e-1e86-4011-8961-0f76dbf1951c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445883,445896] [2021-11-19 14:00:05,318 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_fb0e452e-1e86-4011-8961-0f76dbf1951c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446050,446063] [2021-11-19 14:00:05,318 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_fb0e452e-1e86-4011-8961-0f76dbf1951c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446218,446231] [2021-11-19 14:00:05,330 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:00:05,767 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:00:05,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:05 WrapperNode [2021-11-19 14:00:05,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:00:05,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:00:05,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:00:05,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:00:05,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:05" (1/1) ... [2021-11-19 14:00:05,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:05" (1/1) ... [2021-11-19 14:00:06,239 INFO L137 Inliner]: procedures = 677, calls = 4677, calls flagged for inlining = 358, calls inlined = 345, statements flattened = 10143 [2021-11-19 14:00:06,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:00:06,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:00:06,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:00:06,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:00:06,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:05" (1/1) ... [2021-11-19 14:00:06,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:05" (1/1) ... [2021-11-19 14:00:06,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:05" (1/1) ... [2021-11-19 14:00:06,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:05" (1/1) ... [2021-11-19 14:00:06,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:05" (1/1) ... [2021-11-19 14:00:06,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:05" (1/1) ... [2021-11-19 14:00:06,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:05" (1/1) ... [2021-11-19 14:00:06,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:00:06,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:00:06,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:00:06,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:00:06,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:05" (1/1) ... [2021-11-19 14:00:06,830 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:00:06,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:00:06,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:00:06,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:00:06,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 14:00:06,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 14:00:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-19 14:00:06,900 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-19 14:00:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure hw_del_addr [2021-11-19 14:00:06,900 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_del_addr [2021-11-19 14:00:06,900 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 14:00:06,901 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 14:00:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol [2021-11-19 14:00:06,901 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol [2021-11-19 14:00:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 14:00:06,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 14:00:06,901 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-19 14:00:06,902 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-19 14:00:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_init [2021-11-19 14:00:06,902 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_init [2021-11-19 14:00:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ack_intr [2021-11-19 14:00:06,902 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ack_intr [2021-11-19 14:00:06,902 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_timeout [2021-11-19 14:00:06,903 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_timeout [2021-11-19 14:00:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure bridge_change [2021-11-19 14:00:06,903 INFO L138 BoogieDeclarations]: Found implementation of procedure bridge_change [2021-11-19 14:00:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 14:00:06,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 14:00:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure set_flow_ctrl [2021-11-19 14:00:06,904 INFO L138 BoogieDeclarations]: Found implementation of procedure set_flow_ctrl [2021-11-19 14:00:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 14:00:06,904 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 14:00:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2021-11-19 14:00:06,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2021-11-19 14:00:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-19 14:00:06,905 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-19 14:00:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_len [2021-11-19 14:00:06,905 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_len [2021-11-19 14:00:06,905 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_check_desc_num [2021-11-19 14:00:06,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_check_desc_num [2021-11-19 14:00:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 14:00:06,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 14:00:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 14:00:06,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 14:00:06,906 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 14:00:06,906 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 14:00:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-19 14:00:06,907 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-19 14:00:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure set_media_state [2021-11-19 14:00:06,907 INFO L138 BoogieDeclarations]: Found implementation of procedure set_media_state [2021-11-19 14:00:06,907 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 14:00:06,908 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 14:00:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 14:00:06,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 14:00:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-19 14:00:06,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-19 14:00:06,908 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_intr [2021-11-19 14:00:06,909 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_intr [2021-11-19 14:00:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:00:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-19 14:00:06,909 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-19 14:00:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-11-19 14:00:06,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-11-19 14:00:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-11-19 14:00:06,910 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-11-19 14:00:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg [2021-11-19 14:00:06,910 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg [2021-11-19 14:00:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 14:00:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 14:00:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 14:00:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure state_gpio [2021-11-19 14:00:06,911 INFO L138 BoogieDeclarations]: Found implementation of procedure state_gpio [2021-11-19 14:00:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr [2021-11-19 14:00:06,911 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr [2021-11-19 14:00:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2021-11-19 14:00:06,912 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2021-11-19 14:00:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 14:00:06,912 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 14:00:06,912 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_resume [2021-11-19 14:00:06,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_resume [2021-11-19 14:00:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr_bit [2021-11-19 14:00:06,913 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr_bit [2021-11-19 14:00:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_eeprom_len [2021-11-19 14:00:06,913 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_eeprom_len [2021-11-19 14:00:06,913 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_buffers [2021-11-19 14:00:06,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_buffers [2021-11-19 14:00:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_clk [2021-11-19 14:00:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_clk [2021-11-19 14:00:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 14:00:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 14:00:06,914 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset [2021-11-19 14:00:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset [2021-11-19 14:00:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 14:00:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 14:00:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure rx_proc [2021-11-19 14:00:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_proc [2021-11-19 14:00:06,915 INFO L130 BoogieDeclarations]: Found specification of procedure release_desc [2021-11-19 14:00:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure release_desc [2021-11-19 14:00:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 14:00:06,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 14:00:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure hw_resume_rx [2021-11-19 14:00:06,916 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_resume_rx [2021-11-19 14:00:06,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 14:00:06,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 14:00:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 14:00:06,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 14:00:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_netpoll [2021-11-19 14:00:06,917 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_netpoll [2021-11-19 14:00:06,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 14:00:06,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 14:00:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-19 14:00:06,918 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-19 14:00:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 14:00:06,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 14:00:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_add_addr [2021-11-19 14:00:06,919 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_add_addr [2021-11-19 14:00:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-19 14:00:06,919 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-19 14:00:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_grp_addr [2021-11-19 14:00:06,919 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_grp_addr [2021-11-19 14:00:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 14:00:06,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 14:00:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 14:00:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 14:00:06,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 14:00:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 14:00:06,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 14:00:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:00:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure sw_w_sta_mac_table [2021-11-19 14:00:06,921 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_w_sta_mac_table [2021-11-19 14:00:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2021-11-19 14:00:06,921 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2021-11-19 14:00:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 14:00:06,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 14:00:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 14:00:06,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 14:00:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 14:00:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 14:00:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 14:00:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:00:06,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 14:00:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 14:00:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure hw_stop_rx [2021-11-19 14:00:06,923 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_stop_rx [2021-11-19 14:00:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_intr [2021-11-19 14:00:06,924 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_intr [2021-11-19 14:00:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-19 14:00:06,924 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-19 14:00:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_rx_buffers [2021-11-19 14:00:06,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_rx_buffers [2021-11-19 14:00:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_mem [2021-11-19 14:00:06,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_mem [2021-11-19 14:00:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 14:00:06,925 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 14:00:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure hw_w_phy [2021-11-19 14:00:06,925 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_w_phy [2021-11-19 14:00:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-19 14:00:06,925 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-19 14:00:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-19 14:00:06,926 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-19 14:00:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 14:00:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-19 14:00:06,926 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-19 14:00:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_rx_mode [2021-11-19 14:00:06,926 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_rx_mode [2021-11-19 14:00:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-19 14:00:06,927 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-19 14:00:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-19 14:00:06,927 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-19 14:00:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:00:06,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:00:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_cleanup [2021-11-19 14:00:06,928 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_cleanup [2021-11-19 14:00:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 14:00:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure hw_r_phy [2021-11-19 14:00:06,928 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_r_phy [2021-11-19 14:00:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 14:00:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 14:00:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_addr [2021-11-19 14:00:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_addr [2021-11-19 14:00:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 14:00:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 14:00:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 14:00:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 14:00:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 14:00:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_pkt [2021-11-19 14:00:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_pkt [2021-11-19 14:00:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2021-11-19 14:00:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2021-11-19 14:00:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure port_get_link_speed [2021-11-19 14:00:06,931 INFO L138 BoogieDeclarations]: Found implementation of procedure port_get_link_speed [2021-11-19 14:00:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 14:00:06,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 14:00:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure port_r16 [2021-11-19 14:00:06,931 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r16 [2021-11-19 14:00:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hwlock_of_dev_info [2021-11-19 14:00:06,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hwlock_of_dev_info [2021-11-19 14:00:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_port_base_vlan [2021-11-19 14:00:06,932 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_port_base_vlan [2021-11-19 14:00:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure drop_gpio [2021-11-19 14:00:06,932 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_gpio [2021-11-19 14:00:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 14:00:06,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 14:00:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_desc_base [2021-11-19 14:00:06,933 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_desc_base [2021-11-19 14:00:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-19 14:00:06,933 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-19 14:00:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure hw_block_intr [2021-11-19 14:00:06,934 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_block_intr [2021-11-19 14:00:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-19 14:00:06,934 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-19 14:00:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-11-19 14:00:06,934 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-11-19 14:00:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2021-11-19 14:00:06,934 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2021-11-19 14:00:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_timer [2021-11-19 14:00:06,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_timer [2021-11-19 14:00:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset_pkts [2021-11-19 14:00:06,935 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset_pkts [2021-11-19 14:00:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 14:00:06,935 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 14:00:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure hw_disable [2021-11-19 14:00:06,936 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_disable [2021-11-19 14:00:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 14:00:06,936 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 14:00:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-11-19 14:00:06,936 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-11-19 14:00:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure get_mac_addr [2021-11-19 14:00:06,937 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mac_addr [2021-11-19 14:00:06,937 INFO L130 BoogieDeclarations]: Found specification of procedure hw_restore_intr [2021-11-19 14:00:06,937 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_restore_intr [2021-11-19 14:00:06,937 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 14:00:06,937 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 14:00:06,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:00:06,938 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 14:00:06,938 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 14:00:06,938 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-19 14:00:06,938 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-19 14:00:06,938 INFO L130 BoogieDeclarations]: Found specification of procedure hw_start_rx [2021-11-19 14:00:06,938 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_start_rx [2021-11-19 14:00:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:00:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg_broad_storm [2021-11-19 14:00:06,939 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg_broad_storm [2021-11-19 14:00:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-19 14:00:06,939 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-19 14:00:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure hw_turn_on_intr [2021-11-19 14:00:06,940 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_turn_on_intr [2021-11-19 14:00:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-19 14:00:06,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-19 14:00:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 14:00:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 14:00:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure sw_chk [2021-11-19 14:00:06,941 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_chk [2021-11-19 14:00:06,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 14:00:06,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 14:00:06,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 14:00:06,941 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_wol_frame [2021-11-19 14:00:06,941 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_wol_frame [2021-11-19 14:00:06,942 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-19 14:00:06,942 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-19 14:00:06,942 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-19 14:00:06,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-19 14:00:06,942 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 14:00:06,942 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 14:00:06,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 14:00:06,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 14:00:06,943 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-19 14:00:06,943 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-19 14:00:06,943 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_pkt [2021-11-19 14:00:06,943 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_pkt [2021-11-19 14:00:06,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-19 14:00:06,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-19 14:00:06,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_63 [2021-11-19 14:00:06,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_63 [2021-11-19 14:00:06,944 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg [2021-11-19 14:00:06,944 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg [2021-11-19 14:00:06,944 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2021-11-19 14:00:06,944 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2021-11-19 14:00:06,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hwlock_of_dev_info [2021-11-19 14:00:06,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hwlock_of_dev_info [2021-11-19 14:00:06,945 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_update_timer [2021-11-19 14:00:06,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_update_timer [2021-11-19 14:00:06,945 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 14:00:06,945 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 14:00:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_free [2021-11-19 14:00:06,946 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_free [2021-11-19 14:00:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:00:06,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 14:00:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_stop_timer [2021-11-19 14:00:06,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_stop_timer [2021-11-19 14:00:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 14:00:06,947 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 14:00:06,947 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_intr [2021-11-19 14:00:06,947 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_intr [2021-11-19 14:00:06,947 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-19 14:00:06,947 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-19 14:00:06,947 INFO L130 BoogieDeclarations]: Found specification of procedure hw_add_addr [2021-11-19 14:00:06,947 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_add_addr [2021-11-19 14:00:06,948 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_cnt [2021-11-19 14:00:06,948 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_cnt [2021-11-19 14:00:06,948 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_buf [2021-11-19 14:00:06,948 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_buf [2021-11-19 14:00:06,948 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-19 14:00:06,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-19 14:00:06,949 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 14:00:06,949 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 14:00:06,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_72 [2021-11-19 14:00:06,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_72 [2021-11-19 14:00:06,949 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_multicast [2021-11-19 14:00:06,949 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_multicast [2021-11-19 14:00:06,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 14:00:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 14:00:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 14:00:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 14:00:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 14:00:06,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 14:00:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_regs_len [2021-11-19 14:00:06,951 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_regs_len [2021-11-19 14:00:06,951 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_multicast [2021-11-19 14:00:06,951 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_multicast [2021-11-19 14:00:06,951 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_link_speed [2021-11-19 14:00:06,951 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_link_speed [2021-11-19 14:00:06,951 INFO L130 BoogieDeclarations]: Found specification of procedure raise_gpio [2021-11-19 14:00:06,951 INFO L138 BoogieDeclarations]: Found implementation of procedure raise_gpio [2021-11-19 14:00:06,952 INFO L130 BoogieDeclarations]: Found specification of procedure port_w16 [2021-11-19 14:00:06,952 INFO L138 BoogieDeclarations]: Found implementation of procedure port_w16 [2021-11-19 14:00:06,952 INFO L130 BoogieDeclarations]: Found specification of procedure empty_addr [2021-11-19 14:00:06,952 INFO L138 BoogieDeclarations]: Found implementation of procedure empty_addr [2021-11-19 14:00:06,952 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 14:00:06,952 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 14:00:06,952 INFO L130 BoogieDeclarations]: Found specification of procedure mib_read_work [2021-11-19 14:00:06,953 INFO L138 BoogieDeclarations]: Found implementation of procedure mib_read_work [2021-11-19 14:00:06,953 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable_wol [2021-11-19 14:00:06,953 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable_wol [2021-11-19 14:00:06,953 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_stp_state [2021-11-19 14:00:06,953 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_stp_state [2021-11-19 14:00:06,953 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_wol_pme_status [2021-11-19 14:00:06,954 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_wol_pme_status [2021-11-19 14:00:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_64 [2021-11-19 14:00:06,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_64 [2021-11-19 14:00:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_start_timer [2021-11-19 14:00:06,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_start_timer [2021-11-19 14:00:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-19 14:00:06,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-19 14:00:06,955 INFO L130 BoogieDeclarations]: Found specification of procedure copy_old_skb [2021-11-19 14:00:06,955 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_old_skb [2021-11-19 14:00:06,955 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol_pme [2021-11-19 14:00:06,955 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol_pme [2021-11-19 14:00:06,955 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_buf [2021-11-19 14:00:06,955 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_buf [2021-11-19 14:00:06,956 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_network_header [2021-11-19 14:00:06,956 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_network_header [2021-11-19 14:00:06,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 14:00:06,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 14:00:06,956 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 14:00:06,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 14:00:06,956 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_exit [2021-11-19 14:00:06,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_exit [2021-11-19 14:00:06,957 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable [2021-11-19 14:00:06,957 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable [2021-11-19 14:00:06,957 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_alloc_soft_desc [2021-11-19 14:00:06,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_alloc_soft_desc [2021-11-19 14:00:06,957 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-11-19 14:00:06,958 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-11-19 14:00:06,958 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-19 14:00:06,958 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-19 14:00:06,958 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_broad_storm [2021-11-19 14:00:06,958 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_broad_storm [2021-11-19 14:00:06,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 14:00:06,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 14:00:06,959 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_power_saving [2021-11-19 14:00:06,959 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_power_saving [2021-11-19 14:00:06,959 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-19 14:00:06,959 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-19 14:00:06,959 INFO L130 BoogieDeclarations]: Found specification of procedure spi_reg [2021-11-19 14:00:06,959 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_reg [2021-11-19 14:00:08,319 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:00:08,327 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:00:11,474 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 14:02:06,035 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 14:02:06,449 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:02:06,489 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:02:06,489 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-19 14:02:06,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:02:06 BoogieIcfgContainer [2021-11-19 14:02:06,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:02:06,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:02:06,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:02:06,504 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:02:06,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:59:58" (1/3) ... [2021-11-19 14:02:06,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4804605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:02:06, skipping insertion in model container [2021-11-19 14:02:06,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:00:05" (2/3) ... [2021-11-19 14:02:06,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4804605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:02:06, skipping insertion in model container [2021-11-19 14:02:06,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:02:06" (3/3) ... [2021-11-19 14:02:06,508 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-11-19 14:02:06,514 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:02:06,514 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-19 14:02:06,585 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:02:06,592 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 14:02:06,592 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 14:02:06,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 3184 states, 2248 states have (on average 1.2887010676156583) internal successors, (2897), 2315 states have internal predecessors, (2897), 767 states have call successors, (767), 171 states have call predecessors, (767), 170 states have return successors, (761), 748 states have call predecessors, (761), 761 states have call successors, (761) [2021-11-19 14:02:06,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-19 14:02:06,733 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:02:06,734 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:06,736 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:02:06,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:02:06,742 INFO L85 PathProgramCache]: Analyzing trace with hash -410247399, now seen corresponding path program 1 times [2021-11-19 14:02:06,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:02:06,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1014716319] [2021-11-19 14:02:06,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:06,769 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:02:06,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:02:06,776 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:02:06,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 14:02:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:09,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 2372 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:02:09,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:02:11,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2021-11-19 14:02:11,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:02:12,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-19 14:02:12,334 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:02:12,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1014716319] [2021-11-19 14:02:12,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1014716319] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:02:12,336 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:02:12,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:02:12,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756781860] [2021-11-19 14:02:12,338 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:02:12,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:02:12,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:02:12,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:02:12,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:02:12,386 INFO L87 Difference]: Start difference. First operand has 3184 states, 2248 states have (on average 1.2887010676156583) internal successors, (2897), 2315 states have internal predecessors, (2897), 767 states have call successors, (767), 171 states have call predecessors, (767), 170 states have return successors, (761), 748 states have call predecessors, (761), 761 states have call successors, (761) Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 4 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2021-11-19 14:02:14,708 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 14:02:46,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:02:46,097 INFO L93 Difference]: Finished difference Result 12413 states and 17438 transitions. [2021-11-19 14:02:46,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:02:46,100 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 4 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 237 [2021-11-19 14:02:46,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:02:46,221 INFO L225 Difference]: With dead ends: 12413 [2021-11-19 14:02:46,222 INFO L226 Difference]: Without dead ends: 9255 [2021-11-19 14:02:46,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 470 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 14:02:46,257 INFO L933 BasicCegarLoop]: 5843 mSDtfsCounter, 11344 mSDsluCounter, 7068 mSDsCounter, 0 mSdLazyCounter, 1544 mSolverCounterSat, 1443 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11344 SdHoareTripleChecker+Valid, 12911 SdHoareTripleChecker+Invalid, 2988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1443 IncrementalHoareTripleChecker+Valid, 1544 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:02:46,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11344 Valid, 12911 Invalid, 2988 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1443 Valid, 1544 Invalid, 1 Unknown, 0 Unchecked, 32.8s Time] [2021-11-19 14:02:46,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9255 states. [2021-11-19 14:02:46,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9255 to 9229. [2021-11-19 14:02:46,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9229 states, 6554 states have (on average 1.2876106194690264) internal successors, (8439), 6745 states have internal predecessors, (8439), 2169 states have call successors, (2169), 504 states have call predecessors, (2169), 503 states have return successors, (2165), 2126 states have call predecessors, (2165), 2165 states have call successors, (2165) [2021-11-19 14:02:47,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9229 states to 9229 states and 12773 transitions. [2021-11-19 14:02:47,023 INFO L78 Accepts]: Start accepts. Automaton has 9229 states and 12773 transitions. Word has length 237 [2021-11-19 14:02:47,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:02:47,030 INFO L470 AbstractCegarLoop]: Abstraction has 9229 states and 12773 transitions. [2021-11-19 14:02:47,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 4 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2021-11-19 14:02:47,030 INFO L276 IsEmpty]: Start isEmpty. Operand 9229 states and 12773 transitions. [2021-11-19 14:02:47,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-19 14:02:47,042 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:02:47,042 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:02:47,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:02:47,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:02:47,259 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:02:47,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:02:47,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1794453411, now seen corresponding path program 1 times [2021-11-19 14:02:47,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:02:47,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1107980512] [2021-11-19 14:02:47,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:02:47,264 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:02:47,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:02:47,268 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:02:47,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 14:02:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:02:49,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 2430 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:02:49,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:02:50,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2021-11-19 14:02:50,859 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:02:51,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-19 14:02:51,839 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:02:51,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1107980512] [2021-11-19 14:02:51,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1107980512] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:02:51,839 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:02:51,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:02:51,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544471635] [2021-11-19 14:02:51,840 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:02:51,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:02:51,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:02:51,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:02:51,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:02:51,843 INFO L87 Difference]: Start difference. First operand 9229 states and 12773 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 4 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-19 14:02:54,076 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:03:20,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:03:20,058 INFO L93 Difference]: Finished difference Result 36589 states and 50723 transitions. [2021-11-19 14:03:20,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:03:20,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 4 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 241 [2021-11-19 14:03:20,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:03:20,504 INFO L225 Difference]: With dead ends: 36589 [2021-11-19 14:03:20,504 INFO L226 Difference]: Without dead ends: 27403 [2021-11-19 14:03:20,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 478 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 14:03:20,562 INFO L933 BasicCegarLoop]: 5927 mSDtfsCounter, 8606 mSDsluCounter, 10473 mSDsCounter, 0 mSdLazyCounter, 1520 mSolverCounterSat, 15 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8606 SdHoareTripleChecker+Valid, 16400 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1520 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:03:20,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8606 Valid, 16400 Invalid, 1536 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 1520 Invalid, 1 Unknown, 0 Unchecked, 27.2s Time] [2021-11-19 14:03:20,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27403 states. [2021-11-19 14:03:22,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27403 to 27341. [2021-11-19 14:03:22,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27341 states, 19452 states have (on average 1.2884536294468436) internal successors, (25063), 20033 states have internal predecessors, (25063), 6379 states have call successors, (6379), 1508 states have call predecessors, (6379), 1507 states have return successors, (6477), 6240 states have call predecessors, (6477), 6375 states have call successors, (6477) [2021-11-19 14:03:22,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27341 states to 27341 states and 37919 transitions. [2021-11-19 14:03:22,254 INFO L78 Accepts]: Start accepts. Automaton has 27341 states and 37919 transitions. Word has length 241 [2021-11-19 14:03:22,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:03:22,256 INFO L470 AbstractCegarLoop]: Abstraction has 27341 states and 37919 transitions. [2021-11-19 14:03:22,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 4 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2021-11-19 14:03:22,257 INFO L276 IsEmpty]: Start isEmpty. Operand 27341 states and 37919 transitions. [2021-11-19 14:03:22,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-19 14:03:22,385 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:03:22,386 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:22,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:03:22,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:03:22,587 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:03:22,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:03:22,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1906340829, now seen corresponding path program 1 times [2021-11-19 14:03:22,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:03:22,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [447281574] [2021-11-19 14:03:22,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:03:22,590 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:03:22,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:03:22,591 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:03:22,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 14:03:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:03:24,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 2460 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:03:24,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:03:26,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2021-11-19 14:03:26,065 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:03:27,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-19 14:03:27,139 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:03:27,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [447281574] [2021-11-19 14:03:27,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [447281574] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:03:27,139 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:03:27,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:03:27,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747013280] [2021-11-19 14:03:27,139 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:03:27,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:03:27,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:03:27,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:03:27,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:03:27,141 INFO L87 Difference]: Start difference. First operand 27341 states and 37919 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-19 14:03:29,328 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:03:54,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:03:54,283 INFO L93 Difference]: Finished difference Result 107696 states and 149465 transitions. [2021-11-19 14:03:54,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:03:54,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 253 [2021-11-19 14:03:54,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:03:55,009 INFO L225 Difference]: With dead ends: 107696 [2021-11-19 14:03:55,009 INFO L226 Difference]: Without dead ends: 80398 [2021-11-19 14:03:55,274 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 502 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 14:03:55,281 INFO L933 BasicCegarLoop]: 6139 mSDtfsCounter, 8425 mSDsluCounter, 11190 mSDsCounter, 0 mSdLazyCounter, 1458 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8425 SdHoareTripleChecker+Valid, 17329 SdHoareTripleChecker+Invalid, 1467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1458 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:03:55,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8425 Valid, 17329 Invalid, 1467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1458 Invalid, 1 Unknown, 0 Unchecked, 24.8s Time] [2021-11-19 14:03:55,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80398 states. [2021-11-19 14:03:59,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80398 to 80267. [2021-11-19 14:03:59,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80267 states, 57210 states have (on average 1.287589582240867) internal successors, (73663), 58868 states have internal predecessors, (73663), 18586 states have call successors, (18586), 4469 states have call predecessors, (18586), 4468 states have return successors, (19185), 18162 states have call predecessors, (19185), 18582 states have call successors, (19185) [2021-11-19 14:04:00,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80267 states to 80267 states and 111434 transitions. [2021-11-19 14:04:00,672 INFO L78 Accepts]: Start accepts. Automaton has 80267 states and 111434 transitions. Word has length 253 [2021-11-19 14:04:00,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:04:00,673 INFO L470 AbstractCegarLoop]: Abstraction has 80267 states and 111434 transitions. [2021-11-19 14:04:00,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 4 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2021-11-19 14:04:00,674 INFO L276 IsEmpty]: Start isEmpty. Operand 80267 states and 111434 transitions. [2021-11-19 14:04:00,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-19 14:04:00,687 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:04:00,688 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:00,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:04:00,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:04:00,904 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:04:00,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:04:00,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1139698583, now seen corresponding path program 1 times [2021-11-19 14:04:00,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:04:00,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [789279885] [2021-11-19 14:04:00,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:00,911 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:04:00,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:04:00,912 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:04:00,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 14:04:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:03,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 2545 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:04:03,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:04,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 1542 trivial. 0 not checked. [2021-11-19 14:04:04,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:05,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2021-11-19 14:04:05,674 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:05,674 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [789279885] [2021-11-19 14:04:05,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [789279885] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:04:05,674 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:04:05,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 14:04:05,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154309300] [2021-11-19 14:04:05,675 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:04:05,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:04:05,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:04:05,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:04:05,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:04:05,678 INFO L87 Difference]: Start difference. First operand 80267 states and 111434 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 4 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-11-19 14:04:07,884 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 14:04:37,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:04:37,816 INFO L93 Difference]: Finished difference Result 226807 states and 312868 transitions. [2021-11-19 14:04:37,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:04:37,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 4 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 268 [2021-11-19 14:04:37,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:04:38,657 INFO L225 Difference]: With dead ends: 226807 [2021-11-19 14:04:38,657 INFO L226 Difference]: Without dead ends: 146583 [2021-11-19 14:04:39,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 534 GetRequests, 532 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 14:04:39,210 INFO L933 BasicCegarLoop]: 5584 mSDtfsCounter, 9765 mSDsluCounter, 6245 mSDsCounter, 0 mSdLazyCounter, 1577 mSolverCounterSat, 1156 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9765 SdHoareTripleChecker+Valid, 11829 SdHoareTripleChecker+Invalid, 2734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1156 IncrementalHoareTripleChecker+Valid, 1577 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:04:39,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9765 Valid, 11829 Invalid, 2734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1156 Valid, 1577 Invalid, 1 Unknown, 0 Unchecked, 27.3s Time] [2021-11-19 14:04:39,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146583 states. [2021-11-19 14:04:45,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146583 to 146501. [2021-11-19 14:04:45,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146501 states, 103756 states have (on average 1.2823547553876402) internal successors, (133052), 106816 states have internal predecessors, (133052), 33641 states have call successors, (33641), 9096 states have call predecessors, (33641), 9101 states have return successors, (34255), 32973 states have call predecessors, (34255), 33637 states have call successors, (34255) [2021-11-19 14:04:46,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146501 states to 146501 states and 200948 transitions. [2021-11-19 14:04:46,451 INFO L78 Accepts]: Start accepts. Automaton has 146501 states and 200948 transitions. Word has length 268 [2021-11-19 14:04:46,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:04:46,456 INFO L470 AbstractCegarLoop]: Abstraction has 146501 states and 200948 transitions. [2021-11-19 14:04:46,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 4 states have call successors, (37), 3 states have call predecessors, (37), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-11-19 14:04:46,457 INFO L276 IsEmpty]: Start isEmpty. Operand 146501 states and 200948 transitions. [2021-11-19 14:04:46,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-19 14:04:46,464 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:04:46,464 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:46,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 14:04:46,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 14:04:46,688 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 14:04:46,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:04:46,689 INFO L85 PathProgramCache]: Analyzing trace with hash -670162885, now seen corresponding path program 1 times [2021-11-19 14:04:46,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 14:04:46,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1077889990] [2021-11-19 14:04:46,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:04:46,692 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 14:04:46,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 14:04:46,694 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 14:04:46,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb0e452e-1e86-4011-8961-0f76dbf1951c/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 14:04:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:04:49,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 2437 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 14:04:49,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:04:50,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2021-11-19 14:04:50,305 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:04:51,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-19 14:04:51,490 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 14:04:51,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1077889990] [2021-11-19 14:04:51,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1077889990] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:04:51,490 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:04:51,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 14:04:51,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430378565] [2021-11-19 14:04:51,491 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:04:51,492 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:04:51,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 14:04:51,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:04:51,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:04:51,493 INFO L87 Difference]: Start difference. First operand 146501 states and 200948 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-19 14:04:53,696 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 14:05:02,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:05:02,285 INFO L93 Difference]: Finished difference Result 354003 states and 482586 transitions. [2021-11-19 14:05:02,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:05:02,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 264 [2021-11-19 14:05:02,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:05:03,138 INFO L225 Difference]: With dead ends: 354003 [2021-11-19 14:05:03,139 INFO L226 Difference]: Without dead ends: 207545 [2021-11-19 14:05:03,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 525 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:05:03,507 INFO L933 BasicCegarLoop]: 4962 mSDtfsCounter, 3312 mSDsluCounter, 4261 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3312 SdHoareTripleChecker+Valid, 9223 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-19 14:05:03,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3312 Valid, 9223 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 108 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2021-11-19 14:05:04,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207545 states.