./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/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 1b84ae01ff77d37e9299320c753590c425a9f784ed44d0a112a3afe6584a446b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:25:05,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:25:05,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:25:05,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:25:05,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:25:05,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:25:05,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:25:05,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:25:05,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:25:05,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:25:05,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:25:05,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:25:05,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:25:05,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:25:05,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:25:05,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:25:05,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:25:05,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:25:06,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:25:06,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:25:06,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:25:06,015 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:25:06,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:25:06,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:25:06,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:25:06,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:25:06,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:25:06,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:25:06,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:25:06,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:25:06,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:25:06,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:25:06,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:25:06,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:25:06,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:25:06,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:25:06,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:25:06,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:25:06,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:25:06,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:25:06,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:25:06,042 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:25:06,068 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:25:06,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:25:06,070 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:25:06,070 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:25:06,070 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:25:06,070 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:25:06,071 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:25:06,071 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:25:06,071 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:25:06,071 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:25:06,072 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:25:06,072 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:25:06,072 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:25:06,072 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:25:06,073 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:25:06,073 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:25:06,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:25:06,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:25:06,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:25:06,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:25:06,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:25:06,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:25:06,075 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:25:06,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:25:06,075 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:25:06,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:25:06,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:25:06,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:25:06,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:25:06,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:25:06,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:25:06,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:25:06,077 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:25:06,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:25:06,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:25:06,078 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:25:06,078 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:25:06,078 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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b84ae01ff77d37e9299320c753590c425a9f784ed44d0a112a3afe6584a446b [2021-11-19 13:25:06,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:25:06,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:25:06,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:25:06,372 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:25:06,372 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:25:06,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-11-19 13:25:06,450 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/data/9eecb3465/e38e62682047487dab49d9b5ff76690f/FLAGe7c41ef17 [2021-11-19 13:25:07,834 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:25:07,835 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-11-19 13:25:07,946 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/data/9eecb3465/e38e62682047487dab49d9b5ff76690f/FLAGe7c41ef17 [2021-11-19 13:25:08,291 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/data/9eecb3465/e38e62682047487dab49d9b5ff76690f [2021-11-19 13:25:08,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:25:08,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:25:08,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:25:08,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:25:08,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:25:08,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:25:08" (1/1) ... [2021-11-19 13:25:08,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21dbfcbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:08, skipping insertion in model container [2021-11-19 13:25:08,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:25:08" (1/1) ... [2021-11-19 13:25:08,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:25:08,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:25:14,199 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 13:25:14,200 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 13:25:14,200 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 13:25:14,202 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 13:25:14,206 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 13:25:14,207 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 13:25:14,214 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 13:25:14,420 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 13:25:14,452 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 13:25:19,402 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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945328,945341] [2021-11-19 13:25:19,405 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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945497,945510] [2021-11-19 13:25:19,405 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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945664,945677] [2021-11-19 13:25:19,406 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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945832,945845] [2021-11-19 13:25:19,440 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:25:19,545 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 13:25:19,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@52b20fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:19, skipping insertion in model container [2021-11-19 13:25:19,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:25:19,546 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:25:19,548 INFO L158 Benchmark]: Toolchain (without parser) took 11249.25ms. Allocated memory was 104.9MB in the beginning and 255.9MB in the end (delta: 151.0MB). Free memory was 47.1MB in the beginning and 153.4MB in the end (delta: -106.3MB). Peak memory consumption was 180.7MB. Max. memory is 16.1GB. [2021-11-19 13:25:19,549 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:25:19,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 11245.53ms. Allocated memory was 104.9MB in the beginning and 255.9MB in the end (delta: 151.0MB). Free memory was 46.8MB in the beginning and 153.4MB in the end (delta: -106.6MB). Peak memory consumption was 180.7MB. Max. memory is 16.1GB. [2021-11-19 13:25:19,552 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 11245.53ms. Allocated memory was 104.9MB in the beginning and 255.9MB in the end (delta: 151.0MB). Free memory was 46.8MB in the beginning and 153.4MB in the end (delta: -106.6MB). Peak memory consumption was 180.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7670]: 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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/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 1b84ae01ff77d37e9299320c753590c425a9f784ed44d0a112a3afe6584a446b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:25:21,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:25:21,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:25:21,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:25:21,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:25:21,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:25:21,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:25:21,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:25:21,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:25:21,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:25:21,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:25:21,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:25:21,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:25:21,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:25:21,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:25:21,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:25:21,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:25:21,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:25:21,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:25:21,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:25:21,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:25:21,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:25:21,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:25:21,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:25:21,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:25:21,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:25:21,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:25:21,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:25:21,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:25:21,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:25:21,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:25:21,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:25:21,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:25:21,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:25:21,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:25:21,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:25:21,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:25:21,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:25:21,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:25:21,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:25:21,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:25:21,838 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:25:21,876 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:25:21,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:25:21,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:25:21,879 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:25:21,879 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:25:21,879 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:25:21,879 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:25:21,879 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:25:21,880 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:25:21,881 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:25:21,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:25:21,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:25:21,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:25:21,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:25:21,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:25:21,884 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:25:21,884 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:25:21,885 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:25:21,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:25:21,885 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:25:21,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:25:21,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:25:21,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:25:21,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:25:21,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:25:21,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:25:21,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:25:21,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:25:21,887 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:25:21,887 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:25:21,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:25:21,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:25:21,888 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:25:21,889 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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b84ae01ff77d37e9299320c753590c425a9f784ed44d0a112a3afe6584a446b [2021-11-19 13:25:22,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:25:22,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:25:22,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:25:22,296 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:25:22,297 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:25:22,298 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-11-19 13:25:22,373 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/data/e94636ac8/76579d09bb064265bce521c5daba0897/FLAG5b1cbfd1b [2021-11-19 13:25:23,805 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:25:23,806 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-11-19 13:25:23,939 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/data/e94636ac8/76579d09bb064265bce521c5daba0897/FLAG5b1cbfd1b [2021-11-19 13:25:24,221 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/data/e94636ac8/76579d09bb064265bce521c5daba0897 [2021-11-19 13:25:24,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:25:24,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:25:24,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:25:24,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:25:24,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:25:24,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:25:24" (1/1) ... [2021-11-19 13:25:24,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fb559f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:24, skipping insertion in model container [2021-11-19 13:25:24,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:25:24" (1/1) ... [2021-11-19 13:25:24,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:25:24,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:25:35,642 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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945328,945341] [2021-11-19 13:25:35,645 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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945497,945510] [2021-11-19 13:25:35,645 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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945664,945677] [2021-11-19 13:25:35,646 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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945832,945845] [2021-11-19 13:25:35,680 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:25:35,786 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:25:35,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:25:36,947 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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945328,945341] [2021-11-19 13:25:36,948 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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945497,945510] [2021-11-19 13:25:36,948 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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945664,945677] [2021-11-19 13:25:36,949 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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945832,945845] [2021-11-19 13:25:36,957 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:25:37,005 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:25:38,136 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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945328,945341] [2021-11-19 13:25:38,137 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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945497,945510] [2021-11-19 13:25:38,137 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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945664,945677] [2021-11-19 13:25:38,138 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_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945832,945845] [2021-11-19 13:25:38,154 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:25:38,951 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:25:38,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:38 WrapperNode [2021-11-19 13:25:38,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:25:38,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:25:38,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:25:38,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:25:38,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:38" (1/1) ... [2021-11-19 13:25:39,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:38" (1/1) ... [2021-11-19 13:25:40,470 INFO L137 Inliner]: procedures = 871, calls = 16450, calls flagged for inlining = 419, calls inlined = 352, statements flattened = 28677 [2021-11-19 13:25:40,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:25:40,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:25:40,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:25:40,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:25:40,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:38" (1/1) ... [2021-11-19 13:25:40,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:38" (1/1) ... [2021-11-19 13:25:40,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:38" (1/1) ... [2021-11-19 13:25:40,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:38" (1/1) ... [2021-11-19 13:25:41,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:38" (1/1) ... [2021-11-19 13:25:41,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:38" (1/1) ... [2021-11-19 13:25:41,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:38" (1/1) ... [2021-11-19 13:25:41,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:25:41,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:25:41,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:25:41,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:25:41,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:38" (1/1) ... [2021-11-19 13:25:41,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:25:41,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:25:41,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:25:41,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:25:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2021-11-19 13:25:41,766 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2021-11-19 13:25:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-19 13:25:41,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-19 13:25:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2021-11-19 13:25:41,766 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2021-11-19 13:25:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2021-11-19 13:25:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2021-11-19 13:25:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-19 13:25:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-19 13:25:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-11-19 13:25:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-11-19 13:25:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2021-11-19 13:25:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2021-11-19 13:25:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 13:25:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 13:25:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-19 13:25:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-19 13:25:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 13:25:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 13:25:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2021-11-19 13:25:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2021-11-19 13:25:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 13:25:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 13:25:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-19 13:25:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-19 13:25:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2021-11-19 13:25:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2021-11-19 13:25:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-19 13:25:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-19 13:25:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2021-11-19 13:25:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2021-11-19 13:25:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2021-11-19 13:25:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2021-11-19 13:25:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-11-19 13:25:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-11-19 13:25:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-19 13:25:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-19 13:25:41,772 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-19 13:25:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-19 13:25:41,772 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 13:25:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 13:25:41,772 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-19 13:25:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-19 13:25:41,773 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2021-11-19 13:25:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2021-11-19 13:25:41,773 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2021-11-19 13:25:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2021-11-19 13:25:41,773 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2021-11-19 13:25:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2021-11-19 13:25:41,774 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-19 13:25:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-19 13:25:41,774 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-19 13:25:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-19 13:25:41,774 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 13:25:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 13:25:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2021-11-19 13:25:41,775 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2021-11-19 13:25:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2021-11-19 13:25:41,775 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2021-11-19 13:25:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-19 13:25:41,775 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-19 13:25:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2021-11-19 13:25:41,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2021-11-19 13:25:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 13:25:41,776 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 13:25:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2021-11-19 13:25:41,776 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2021-11-19 13:25:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 13:25:41,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 13:25:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2021-11-19 13:25:41,777 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2021-11-19 13:25:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-19 13:25:41,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-19 13:25:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-19 13:25:41,778 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-19 13:25:41,778 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2021-11-19 13:25:41,778 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2021-11-19 13:25:41,778 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2021-11-19 13:25:41,778 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2021-11-19 13:25:41,778 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-19 13:25:41,778 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-19 13:25:41,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-19 13:25:41,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-19 13:25:41,779 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2021-11-19 13:25:41,779 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2021-11-19 13:25:41,779 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-19 13:25:41,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-19 13:25:41,780 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2021-11-19 13:25:41,780 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2021-11-19 13:25:41,780 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-19 13:25:41,780 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-19 13:25:41,780 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2021-11-19 13:25:41,780 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2021-11-19 13:25:41,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 13:25:41,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 13:25:41,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:25:41,781 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2021-11-19 13:25:41,781 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2021-11-19 13:25:41,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:25:41,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 13:25:41,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 13:25:41,781 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 13:25:41,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 13:25:41,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:25:41,782 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2021-11-19 13:25:41,782 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2021-11-19 13:25:41,782 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 13:25:41,782 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-19 13:25:41,783 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-19 13:25:41,783 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2021-11-19 13:25:41,783 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2021-11-19 13:25:41,783 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-19 13:25:41,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-19 13:25:41,783 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2021-11-19 13:25:41,784 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2021-11-19 13:25:41,784 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 13:25:41,784 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 13:25:41,784 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2021-11-19 13:25:41,784 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2021-11-19 13:25:41,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 13:25:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 13:25:41,785 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-11-19 13:25:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-11-19 13:25:41,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-19 13:25:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-19 13:25:41,785 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-19 13:25:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-19 13:25:41,786 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2021-11-19 13:25:41,786 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2021-11-19 13:25:41,786 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2021-11-19 13:25:41,786 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2021-11-19 13:25:41,786 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-11-19 13:25:41,786 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-11-19 13:25:41,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:25:41,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:25:41,787 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2021-11-19 13:25:41,787 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2021-11-19 13:25:41,787 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-11-19 13:25:41,787 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-11-19 13:25:41,787 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2021-11-19 13:25:41,787 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2021-11-19 13:25:41,788 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2021-11-19 13:25:41,788 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2021-11-19 13:25:41,788 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-19 13:25:41,788 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-19 13:25:41,788 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2021-11-19 13:25:41,788 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2021-11-19 13:25:41,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 13:25:41,789 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2021-11-19 13:25:41,789 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2021-11-19 13:25:41,789 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-19 13:25:41,789 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-19 13:25:41,789 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-19 13:25:41,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-19 13:25:41,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-19 13:25:41,790 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_resume [2021-11-19 13:25:41,790 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_resume [2021-11-19 13:25:41,790 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-19 13:25:41,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-19 13:25:41,790 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-19 13:25:41,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-19 13:25:41,790 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2021-11-19 13:25:41,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2021-11-19 13:25:41,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 13:25:41,791 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 13:25:41,791 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2021-11-19 13:25:41,791 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2021-11-19 13:25:41,791 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2021-11-19 13:25:41,791 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2021-11-19 13:25:41,792 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-11-19 13:25:41,792 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-11-19 13:25:41,792 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-19 13:25:41,792 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-19 13:25:41,792 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2021-11-19 13:25:41,792 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2021-11-19 13:25:41,792 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-19 13:25:41,792 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-19 13:25:41,793 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-19 13:25:41,793 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-19 13:25:41,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:25:41,793 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-19 13:25:41,793 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-19 13:25:41,793 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2021-11-19 13:25:41,793 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2021-11-19 13:25:41,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:25:41,794 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-19 13:25:41,794 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-19 13:25:41,794 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2021-11-19 13:25:41,794 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2021-11-19 13:25:41,794 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2021-11-19 13:25:41,795 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2021-11-19 13:25:41,795 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2021-11-19 13:25:41,795 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2021-11-19 13:25:41,795 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2021-11-19 13:25:41,795 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2021-11-19 13:25:41,795 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-19 13:25:41,795 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-19 13:25:41,796 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2021-11-19 13:25:41,796 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2021-11-19 13:25:41,796 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 13:25:41,796 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 13:25:41,796 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-19 13:25:41,796 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-19 13:25:41,796 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2021-11-19 13:25:41,796 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2021-11-19 13:25:41,797 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2021-11-19 13:25:41,797 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2021-11-19 13:25:41,797 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2021-11-19 13:25:41,797 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2021-11-19 13:25:41,797 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2021-11-19 13:25:41,797 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2021-11-19 13:25:41,797 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2021-11-19 13:25:41,798 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2021-11-19 13:25:41,798 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-19 13:25:41,798 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-19 13:25:41,798 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2021-11-19 13:25:41,798 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2021-11-19 13:25:41,798 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2021-11-19 13:25:41,798 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2021-11-19 13:25:41,798 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-19 13:25:41,799 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-19 13:25:41,799 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 13:25:41,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 13:25:41,799 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 13:25:41,799 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 13:25:41,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 13:25:41,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 13:25:41,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 13:25:41,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 13:25:41,800 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2021-11-19 13:25:41,800 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2021-11-19 13:25:41,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 13:25:41,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 13:25:41,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_88 [2021-11-19 13:25:41,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_88 [2021-11-19 13:25:41,801 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2021-11-19 13:25:41,801 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2021-11-19 13:25:41,801 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-19 13:25:41,801 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-19 13:25:41,802 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2021-11-19 13:25:41,802 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2021-11-19 13:25:41,802 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2021-11-19 13:25:41,802 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2021-11-19 13:25:41,802 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2021-11-19 13:25:41,802 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2021-11-19 13:25:41,803 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-11-19 13:25:41,803 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-11-19 13:25:41,803 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2021-11-19 13:25:41,803 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2021-11-19 13:25:41,803 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2021-11-19 13:25:41,803 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2021-11-19 13:25:41,803 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-19 13:25:41,804 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-19 13:25:41,804 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-19 13:25:41,804 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-19 13:25:41,804 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-19 13:25:41,804 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-19 13:25:41,804 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-19 13:25:41,804 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2021-11-19 13:25:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2021-11-19 13:25:41,805 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-19 13:25:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-19 13:25:41,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_91 [2021-11-19 13:25:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_91 [2021-11-19 13:25:41,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 13:25:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 13:25:41,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_82 [2021-11-19 13:25:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_82 [2021-11-19 13:25:41,806 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-19 13:25:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-19 13:25:41,806 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2021-11-19 13:25:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2021-11-19 13:25:41,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 13:25:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 13:25:41,807 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2021-11-19 13:25:41,807 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2021-11-19 13:25:41,807 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2021-11-19 13:25:41,807 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2021-11-19 13:25:41,807 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2021-11-19 13:25:41,807 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2021-11-19 13:25:41,807 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-19 13:25:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-19 13:25:41,808 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-19 13:25:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-19 13:25:41,808 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-19 13:25:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-19 13:25:41,808 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-19 13:25:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-19 13:25:41,808 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2021-11-19 13:25:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2021-11-19 13:25:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2021-11-19 13:25:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2021-11-19 13:25:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2021-11-19 13:25:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2021-11-19 13:25:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_83 [2021-11-19 13:25:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_83 [2021-11-19 13:25:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2021-11-19 13:25:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2021-11-19 13:25:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2021-11-19 13:25:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2021-11-19 13:25:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 13:25:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 13:25:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-19 13:25:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-19 13:25:41,811 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 13:25:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 13:25:41,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 13:25:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 13:25:41,811 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-19 13:25:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-19 13:25:41,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:25:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 13:25:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:25:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:25:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2021-11-19 13:25:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2021-11-19 13:25:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 13:25:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2021-11-19 13:25:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2021-11-19 13:25:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2021-11-19 13:25:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2021-11-19 13:25:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2021-11-19 13:25:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2021-11-19 13:25:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2021-11-19 13:25:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2021-11-19 13:25:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 13:25:41,814 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 13:25:41,814 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2021-11-19 13:25:41,814 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2021-11-19 13:25:41,814 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2021-11-19 13:25:41,814 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2021-11-19 13:25:41,814 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 13:25:41,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 13:25:41,815 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2021-11-19 13:25:41,815 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2021-11-19 13:25:41,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 13:25:41,815 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 13:25:41,815 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2021-11-19 13:25:41,815 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2021-11-19 13:25:41,815 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2021-11-19 13:25:41,816 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2021-11-19 13:25:41,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-19 13:25:41,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-19 13:25:41,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 13:25:41,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 13:25:41,816 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-11-19 13:25:41,816 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-11-19 13:25:41,816 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2021-11-19 13:25:41,817 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2021-11-19 13:25:41,817 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-19 13:25:41,817 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-19 13:25:41,817 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-11-19 13:25:41,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-11-19 13:25:41,817 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2021-11-19 13:25:41,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2021-11-19 13:25:41,818 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-19 13:25:41,818 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-19 13:25:41,818 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-19 13:25:41,818 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-19 13:25:41,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 13:25:41,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 13:25:41,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 13:25:41,819 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2021-11-19 13:25:41,819 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2021-11-19 13:25:41,819 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-11-19 13:25:41,819 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-11-19 13:25:41,819 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2021-11-19 13:25:41,819 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2021-11-19 13:25:41,819 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2021-11-19 13:25:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2021-11-19 13:25:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2021-11-19 13:25:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2021-11-19 13:25:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 13:25:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 13:25:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-19 13:25:41,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-19 13:25:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-19 13:25:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-19 13:25:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2021-11-19 13:25:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2021-11-19 13:25:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-19 13:25:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-19 13:25:41,821 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2021-11-19 13:25:41,821 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2021-11-19 13:25:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2021-11-19 13:25:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2021-11-19 13:25:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-19 13:25:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-19 13:25:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2021-11-19 13:25:41,822 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2021-11-19 13:25:41,822 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-19 13:25:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-19 13:25:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2021-11-19 13:25:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2021-11-19 13:25:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-19 13:25:41,823 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-19 13:25:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 13:25:41,823 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2021-11-19 13:25:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2021-11-19 13:25:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-19 13:25:41,824 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-19 13:25:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 13:25:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 13:25:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:25:41,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 13:25:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 13:25:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 13:25:41,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 13:25:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-19 13:25:41,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-19 13:25:41,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 13:25:41,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 13:25:41,826 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-19 13:25:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-19 13:25:41,826 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-19 13:25:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-19 13:25:41,826 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2021-11-19 13:25:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2021-11-19 13:25:41,826 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-19 13:25:41,826 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-19 13:25:41,827 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-19 13:25:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-19 13:25:41,827 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2021-11-19 13:25:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2021-11-19 13:25:41,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 13:25:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 13:25:41,827 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2021-11-19 13:25:41,827 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2021-11-19 13:25:41,828 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-19 13:25:41,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-19 13:25:41,828 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2021-11-19 13:25:41,828 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2021-11-19 13:25:41,828 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 13:25:41,828 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 13:25:41,828 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-19 13:25:41,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-19 13:25:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-19 13:25:41,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-19 13:25:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-19 13:25:41,829 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-19 13:25:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-19 13:25:41,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-19 13:25:41,829 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-11-19 13:25:41,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-11-19 13:25:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 13:25:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 13:25:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 13:25:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:25:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:25:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2021-11-19 13:25:41,830 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2021-11-19 13:25:41,830 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2021-11-19 13:25:41,831 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2021-11-19 13:25:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-19 13:25:41,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-19 13:25:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2021-11-19 13:25:41,831 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2021-11-19 13:25:41,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-19 13:25:41,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-19 13:25:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 13:25:41,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 13:25:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-19 13:25:41,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-19 13:25:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2021-11-19 13:25:41,832 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2021-11-19 13:25:41,832 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2021-11-19 13:25:41,832 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2021-11-19 13:25:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2021-11-19 13:25:41,833 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2021-11-19 13:25:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_87 [2021-11-19 13:25:41,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_87 [2021-11-19 13:25:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2021-11-19 13:25:41,833 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2021-11-19 13:25:41,833 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 13:25:41,833 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 13:25:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 13:25:41,834 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 13:25:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-19 13:25:41,834 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-19 13:25:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2021-11-19 13:25:41,834 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2021-11-19 13:25:41,834 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2021-11-19 13:25:41,834 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2021-11-19 13:25:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2021-11-19 13:25:41,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2021-11-19 13:25:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2021-11-19 13:25:41,835 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2021-11-19 13:25:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-19 13:25:41,835 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-19 13:25:41,835 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 13:25:41,835 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 13:25:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2021-11-19 13:25:41,836 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2021-11-19 13:25:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2021-11-19 13:25:41,836 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2021-11-19 13:25:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2021-11-19 13:25:41,836 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2021-11-19 13:25:41,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2021-11-19 13:25:41,837 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2021-11-19 13:25:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2021-11-19 13:25:41,837 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2021-11-19 13:25:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 13:25:41,837 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 13:25:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2021-11-19 13:25:41,837 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2021-11-19 13:25:41,837 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-19 13:25:41,838 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-19 13:25:41,838 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-11-19 13:25:41,838 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-11-19 13:25:41,838 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-19 13:25:41,838 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-19 13:25:41,838 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2021-11-19 13:25:41,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2021-11-19 13:25:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2021-11-19 13:25:41,839 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2021-11-19 13:25:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 13:25:41,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 13:25:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-19 13:25:41,839 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-19 13:25:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-19 13:25:41,839 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-19 13:25:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-19 13:25:41,840 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-19 13:25:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2021-11-19 13:25:41,840 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2021-11-19 13:25:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-19 13:25:41,840 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-19 13:25:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-19 13:25:41,840 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-19 13:25:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_e1000_phy_lock [2021-11-19 13:25:41,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_e1000_phy_lock [2021-11-19 13:25:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 13:25:41,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 13:25:41,841 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-19 13:25:44,117 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:25:44,130 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:26:05,356 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 13:32:03,946 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:32:04,027 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:32:04,028 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-19 13:32:04,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:32:04 BoogieIcfgContainer [2021-11-19 13:32:04,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:32:04,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:32:04,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:32:04,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:32:04,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:25:24" (1/3) ... [2021-11-19 13:32:04,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77484f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:32:04, skipping insertion in model container [2021-11-19 13:32:04,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:38" (2/3) ... [2021-11-19 13:32:04,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77484f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:32:04, skipping insertion in model container [2021-11-19 13:32:04,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:32:04" (3/3) ... [2021-11-19 13:32:04,045 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-11-19 13:32:04,050 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:32:04,051 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-19 13:32:04,127 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:32:04,133 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 13:32:04,133 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 13:32:04,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 8047 states, 5637 states have (on average 1.3505410679439418) internal successors, (7613), 5745 states have internal predecessors, (7613), 2159 states have call successors, (2159), 250 states have call predecessors, (2159), 249 states have return successors, (2155), 2142 states have call predecessors, (2155), 2155 states have call successors, (2155) [2021-11-19 13:32:04,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-19 13:32:04,479 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:32:04,480 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:32:04,481 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 13:32:04,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:32:04,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1700569265, now seen corresponding path program 1 times [2021-11-19 13:32:04,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:32:04,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [145551907] [2021-11-19 13:32:04,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:32:04,533 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:32:04,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:32:04,536 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:32:04,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:32:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:32:21,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 9905 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:32:21,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:32:22,113 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 13:32:22,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:32:22,505 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 13:32:22,506 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:32:22,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [145551907] [2021-11-19 13:32:22,507 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [145551907] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:32:22,507 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:32:22,508 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 7 [2021-11-19 13:32:22,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168543646] [2021-11-19 13:32:22,510 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:32:22,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 13:32:22,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:32:22,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 13:32:22,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:32:22,568 INFO L87 Difference]: Start difference. First operand has 8047 states, 5637 states have (on average 1.3505410679439418) internal successors, (7613), 5745 states have internal predecessors, (7613), 2159 states have call successors, (2159), 250 states have call predecessors, (2159), 249 states have return successors, (2155), 2142 states have call predecessors, (2155), 2155 states have call successors, (2155) Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-19 13:32:23,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:32:23,953 INFO L93 Difference]: Finished difference Result 16039 states and 24220 transitions. [2021-11-19 13:32:23,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:32:23,956 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 50 [2021-11-19 13:32:23,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:32:24,049 INFO L225 Difference]: With dead ends: 16039 [2021-11-19 13:32:24,050 INFO L226 Difference]: Without dead ends: 8005 [2021-11-19 13:32:24,165 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:32:24,173 INFO L933 BasicCegarLoop]: 11843 mSDtfsCounter, 11801 mSDsluCounter, 35494 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11819 SdHoareTripleChecker+Valid, 47337 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:32:24,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11819 Valid, 47337 Invalid, 46 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 13:32:24,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8005 states. [2021-11-19 13:32:24,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8005 to 8005. [2021-11-19 13:32:24,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8005 states, 5600 states have (on average 1.3446428571428573) internal successors, (7530), 5705 states have internal predecessors, (7530), 2153 states have call successors, (2153), 250 states have call predecessors, (2153), 249 states have return successors, (2150), 2137 states have call predecessors, (2150), 2150 states have call successors, (2150) [2021-11-19 13:32:25,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8005 states to 8005 states and 11833 transitions. [2021-11-19 13:32:25,055 INFO L78 Accepts]: Start accepts. Automaton has 8005 states and 11833 transitions. Word has length 50 [2021-11-19 13:32:25,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:32:25,057 INFO L470 AbstractCegarLoop]: Abstraction has 8005 states and 11833 transitions. [2021-11-19 13:32:25,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-19 13:32:25,058 INFO L276 IsEmpty]: Start isEmpty. Operand 8005 states and 11833 transitions. [2021-11-19 13:32:25,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-19 13:32:25,063 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:32:25,064 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:32:25,278 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forcibly destroying the process [2021-11-19 13:32:25,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:32:25,282 INFO L402 AbstractCegarLoop]: === Iteration 2 === 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 13:32:25,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:32:25,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1547788251, now seen corresponding path program 1 times [2021-11-19 13:32:25,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:32:25,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:32:25,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1594162424] [2021-11-19 13:32:25,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:32:25,312 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:32:25,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:32:25,318 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:32:25,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:32:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:32:42,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 9912 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:32:42,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:32:42,937 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 13:32:42,937 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:32:43,393 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 13:32:43,393 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:32:43,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1594162424] [2021-11-19 13:32:43,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1594162424] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:32:43,393 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:32:43,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-19 13:32:43,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020723470] [2021-11-19 13:32:43,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:32:43,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:32:43,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:32:43,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:32:43,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:32:43,396 INFO L87 Difference]: Start difference. First operand 8005 states and 11833 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-19 13:32:44,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:32:44,489 INFO L93 Difference]: Finished difference Result 8045 states and 11871 transitions. [2021-11-19 13:32:44,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:32:44,490 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2021-11-19 13:32:44,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:32:44,580 INFO L225 Difference]: With dead ends: 8045 [2021-11-19 13:32:44,580 INFO L226 Difference]: Without dead ends: 8043 [2021-11-19 13:32:44,589 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:32:44,590 INFO L933 BasicCegarLoop]: 11854 mSDtfsCounter, 11780 mSDsluCounter, 23728 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11796 SdHoareTripleChecker+Valid, 35582 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:32:44,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11796 Valid, 35582 Invalid, 28 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 13:32:44,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8043 states. [2021-11-19 13:32:45,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8043 to 8041. [2021-11-19 13:32:45,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8041 states, 5624 states have (on average 1.343705547652916) internal successors, (7557), 5731 states have internal predecessors, (7557), 2157 states have call successors, (2157), 258 states have call predecessors, (2157), 257 states have return successors, (2154), 2141 states have call predecessors, (2154), 2154 states have call successors, (2154) [2021-11-19 13:32:45,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8041 states to 8041 states and 11868 transitions. [2021-11-19 13:32:45,754 INFO L78 Accepts]: Start accepts. Automaton has 8041 states and 11868 transitions. Word has length 55 [2021-11-19 13:32:45,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:32:45,755 INFO L470 AbstractCegarLoop]: Abstraction has 8041 states and 11868 transitions. [2021-11-19 13:32:45,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-19 13:32:45,756 INFO L276 IsEmpty]: Start isEmpty. Operand 8041 states and 11868 transitions. [2021-11-19 13:32:45,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-19 13:32:45,767 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:32:45,768 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:32:45,996 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forcibly destroying the process [2021-11-19 13:32:46,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:32:46,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:32:46,067 INFO L402 AbstractCegarLoop]: === Iteration 3 === 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 13:32:46,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:32:46,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1225421617, now seen corresponding path program 1 times [2021-11-19 13:32:46,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:32:46,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1561295114] [2021-11-19 13:32:46,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:32:46,084 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:32:46,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:32:46,085 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:32:46,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:33:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:04,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 9919 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:33:04,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:33:05,246 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-19 13:33:05,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:33:05,664 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-19 13:33:05,664 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:33:05,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1561295114] [2021-11-19 13:33:05,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1561295114] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:33:05,665 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:33:05,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-19 13:33:05,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746247871] [2021-11-19 13:33:05,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:33:05,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:33:05,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:33:05,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:33:05,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:33:05,667 INFO L87 Difference]: Start difference. First operand 8041 states and 11868 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-19 13:33:06,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:33:06,559 INFO L93 Difference]: Finished difference Result 8047 states and 11873 transitions. [2021-11-19 13:33:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:33:06,559 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 60 [2021-11-19 13:33:06,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:33:06,666 INFO L225 Difference]: With dead ends: 8047 [2021-11-19 13:33:06,666 INFO L226 Difference]: Without dead ends: 8045 [2021-11-19 13:33:06,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:33:06,678 INFO L933 BasicCegarLoop]: 11830 mSDtfsCounter, 11794 mSDsluCounter, 23635 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11809 SdHoareTripleChecker+Valid, 35465 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:33:06,680 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11809 Valid, 35465 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:33:06,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8045 states. [2021-11-19 13:33:07,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8045 to 8045. [2021-11-19 13:33:07,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8045 states, 5627 states have (on average 1.3435223031810912) internal successors, (7560), 5734 states have internal predecessors, (7560), 2157 states have call successors, (2157), 259 states have call predecessors, (2157), 258 states have return successors, (2154), 2141 states have call predecessors, (2154), 2154 states have call successors, (2154) [2021-11-19 13:33:07,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8045 states to 8045 states and 11871 transitions. [2021-11-19 13:33:07,624 INFO L78 Accepts]: Start accepts. Automaton has 8045 states and 11871 transitions. Word has length 60 [2021-11-19 13:33:07,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:33:07,625 INFO L470 AbstractCegarLoop]: Abstraction has 8045 states and 11871 transitions. [2021-11-19 13:33:07,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-19 13:33:07,625 INFO L276 IsEmpty]: Start isEmpty. Operand 8045 states and 11871 transitions. [2021-11-19 13:33:07,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-19 13:33:07,629 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:33:07,630 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:33:07,846 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forcibly destroying the process [2021-11-19 13:33:07,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:33:07,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:33:07,881 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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 13:33:07,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:33:07,881 INFO L85 PathProgramCache]: Analyzing trace with hash 258413093, now seen corresponding path program 1 times [2021-11-19 13:33:07,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:33:07,891 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [428685662] [2021-11-19 13:33:07,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:07,891 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:33:07,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:33:07,892 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:33:07,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 13:33:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:25,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 9926 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:33:25,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:33:25,795 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:33:25,795 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:33:26,203 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-19 13:33:26,203 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:33:26,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [428685662] [2021-11-19 13:33:26,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [428685662] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:33:26,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:33:26,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-19 13:33:26,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060804812] [2021-11-19 13:33:26,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:33:26,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:33:26,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:33:26,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:33:26,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:33:26,205 INFO L87 Difference]: Start difference. First operand 8045 states and 11871 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-19 13:33:27,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:33:27,002 INFO L93 Difference]: Finished difference Result 8051 states and 11876 transitions. [2021-11-19 13:33:27,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:33:27,003 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 65 [2021-11-19 13:33:27,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:33:27,056 INFO L225 Difference]: With dead ends: 8051 [2021-11-19 13:33:27,056 INFO L226 Difference]: Without dead ends: 8049 [2021-11-19 13:33:27,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:33:27,063 INFO L933 BasicCegarLoop]: 11830 mSDtfsCounter, 11794 mSDsluCounter, 23635 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11808 SdHoareTripleChecker+Valid, 35465 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:33:27,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11808 Valid, 35465 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:33:27,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8049 states. [2021-11-19 13:33:27,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8049 to 8049. [2021-11-19 13:33:27,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8049 states, 5630 states have (on average 1.3433392539964477) internal successors, (7563), 5737 states have internal predecessors, (7563), 2157 states have call successors, (2157), 260 states have call predecessors, (2157), 259 states have return successors, (2154), 2141 states have call predecessors, (2154), 2154 states have call successors, (2154) [2021-11-19 13:33:27,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8049 states to 8049 states and 11874 transitions. [2021-11-19 13:33:27,752 INFO L78 Accepts]: Start accepts. Automaton has 8049 states and 11874 transitions. Word has length 65 [2021-11-19 13:33:27,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:33:27,752 INFO L470 AbstractCegarLoop]: Abstraction has 8049 states and 11874 transitions. [2021-11-19 13:33:27,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-19 13:33:27,753 INFO L276 IsEmpty]: Start isEmpty. Operand 8049 states and 11874 transitions. [2021-11-19 13:33:27,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-19 13:33:27,754 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:33:27,754 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:33:27,973 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forcibly destroying the process [2021-11-19 13:33:28,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 13:33:28,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:33:28,002 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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 13:33:28,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:33:28,003 INFO L85 PathProgramCache]: Analyzing trace with hash -587298225, now seen corresponding path program 1 times [2021-11-19 13:33:28,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:33:28,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67374702] [2021-11-19 13:33:28,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:28,017 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:33:28,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:33:28,018 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:33:28,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 13:33:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:33:45,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 9933 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:33:45,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:33:45,776 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-19 13:33:45,777 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:33:46,175 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-19 13:33:46,175 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:33:46,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67374702] [2021-11-19 13:33:46,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67374702] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:33:46,176 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:33:46,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-19 13:33:46,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899969357] [2021-11-19 13:33:46,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:33:46,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:33:46,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:33:46,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:33:46,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:33:46,178 INFO L87 Difference]: Start difference. First operand 8049 states and 11874 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-19 13:33:47,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:33:47,026 INFO L93 Difference]: Finished difference Result 8478 states and 12484 transitions. [2021-11-19 13:33:47,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:33:47,026 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 70 [2021-11-19 13:33:47,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:33:47,080 INFO L225 Difference]: With dead ends: 8478 [2021-11-19 13:33:47,081 INFO L226 Difference]: Without dead ends: 8476 [2021-11-19 13:33:47,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:33:47,088 INFO L933 BasicCegarLoop]: 12354 mSDtfsCounter, 11748 mSDsluCounter, 25333 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11761 SdHoareTripleChecker+Valid, 37687 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:33:47,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11761 Valid, 37687 Invalid, 28 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:33:47,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8476 states. [2021-11-19 13:33:47,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8476 to 8470. [2021-11-19 13:33:47,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8470 states, 5901 states have (on average 1.3397729198440942) internal successors, (7906), 6013 states have internal predecessors, (7906), 2286 states have call successors, (2286), 283 states have call predecessors, (2286), 280 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2021-11-19 13:33:47,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8470 states to 8470 states and 12478 transitions. [2021-11-19 13:33:47,903 INFO L78 Accepts]: Start accepts. Automaton has 8470 states and 12478 transitions. Word has length 70 [2021-11-19 13:33:47,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:33:47,904 INFO L470 AbstractCegarLoop]: Abstraction has 8470 states and 12478 transitions. [2021-11-19 13:33:47,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-19 13:33:47,905 INFO L276 IsEmpty]: Start isEmpty. Operand 8470 states and 12478 transitions. [2021-11-19 13:33:47,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-19 13:33:47,906 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:33:47,906 INFO L514 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:33:48,126 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forcibly destroying the process [2021-11-19 13:33:48,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 13:33:48,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:33:48,159 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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 13:33:48,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:33:48,160 INFO L85 PathProgramCache]: Analyzing trace with hash 52081701, now seen corresponding path program 1 times [2021-11-19 13:33:48,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:33:48,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [552487821] [2021-11-19 13:33:48,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:33:48,174 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:33:48,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:33:48,175 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:33:48,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 13:34:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:05,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 9940 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:34:05,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:34:06,322 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-19 13:34:06,323 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:34:06,762 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-19 13:34:06,762 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:34:06,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [552487821] [2021-11-19 13:34:06,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [552487821] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:34:06,762 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:34:06,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-19 13:34:06,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145276879] [2021-11-19 13:34:06,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:06,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:34:06,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:34:06,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:34:06,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:34:06,764 INFO L87 Difference]: Start difference. First operand 8470 states and 12478 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-19 13:34:07,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:07,665 INFO L93 Difference]: Finished difference Result 8504 states and 12503 transitions. [2021-11-19 13:34:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:34:07,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 75 [2021-11-19 13:34:07,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:07,705 INFO L225 Difference]: With dead ends: 8504 [2021-11-19 13:34:07,706 INFO L226 Difference]: Without dead ends: 8502 [2021-11-19 13:34:07,711 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:34:07,713 INFO L933 BasicCegarLoop]: 11832 mSDtfsCounter, 11490 mSDsluCounter, 23961 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11502 SdHoareTripleChecker+Valid, 35793 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:07,713 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11502 Valid, 35793 Invalid, 28 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:34:07,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8502 states. [2021-11-19 13:34:08,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8502 to 8500. [2021-11-19 13:34:08,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8500 states, 5922 states have (on average 1.3387369132049982) internal successors, (7928), 6034 states have internal predecessors, (7928), 2286 states have call successors, (2286), 292 states have call predecessors, (2286), 289 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2021-11-19 13:34:08,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8500 states to 8500 states and 12500 transitions. [2021-11-19 13:34:08,585 INFO L78 Accepts]: Start accepts. Automaton has 8500 states and 12500 transitions. Word has length 75 [2021-11-19 13:34:08,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:08,585 INFO L470 AbstractCegarLoop]: Abstraction has 8500 states and 12500 transitions. [2021-11-19 13:34:08,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-19 13:34:08,586 INFO L276 IsEmpty]: Start isEmpty. Operand 8500 states and 12500 transitions. [2021-11-19 13:34:08,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-19 13:34:08,587 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:08,588 INFO L514 BasicCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:08,812 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forcibly destroying the process [2021-11-19 13:34:08,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 13:34:08,838 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:34:08,838 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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 13:34:08,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:08,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1766722481, now seen corresponding path program 1 times [2021-11-19 13:34:08,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:34:08,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947452894] [2021-11-19 13:34:08,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:08,848 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:34:08,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:34:08,849 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:34:08,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 13:34:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:26,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 9987 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-19 13:34:26,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:34:28,171 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-19 13:34:28,171 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:34:29,599 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-19 13:34:29,599 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:34:29,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1947452894] [2021-11-19 13:34:29,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1947452894] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:34:29,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1712885755] [2021-11-19 13:34:29,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:29,600 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 13:34:29,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 13:34:29,613 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 13:34:29,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-19 13:34:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:34,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 9987 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:34:34,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:34:36,109 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-19 13:34:36,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:34:36,848 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-19 13:34:36,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1712885755] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:34:36,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-19 13:34:36,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16, 16, 4] total 24 [2021-11-19 13:34:36,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707147307] [2021-11-19 13:34:36,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:36,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:34:36,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:34:36,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:34:36,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=501, Unknown=0, NotChecked=0, Total=552 [2021-11-19 13:34:36,851 INFO L87 Difference]: Start difference. First operand 8500 states and 12500 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-19 13:34:37,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:37,962 INFO L93 Difference]: Finished difference Result 8506 states and 12505 transitions. [2021-11-19 13:34:37,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:34:37,963 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 93 [2021-11-19 13:34:37,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:38,005 INFO L225 Difference]: With dead ends: 8506 [2021-11-19 13:34:38,006 INFO L226 Difference]: Without dead ends: 8504 [2021-11-19 13:34:38,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-11-19 13:34:38,011 INFO L933 BasicCegarLoop]: 11830 mSDtfsCounter, 11784 mSDsluCounter, 23635 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11795 SdHoareTripleChecker+Valid, 35465 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:38,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11795 Valid, 35465 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:34:38,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8504 states. [2021-11-19 13:34:38,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8504 to 8504. [2021-11-19 13:34:38,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8504 states, 5925 states have (on average 1.3385654008438819) internal successors, (7931), 6037 states have internal predecessors, (7931), 2286 states have call successors, (2286), 293 states have call predecessors, (2286), 290 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2021-11-19 13:34:38,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8504 states to 8504 states and 12503 transitions. [2021-11-19 13:34:38,931 INFO L78 Accepts]: Start accepts. Automaton has 8504 states and 12503 transitions. Word has length 93 [2021-11-19 13:34:38,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:38,933 INFO L470 AbstractCegarLoop]: Abstraction has 8504 states and 12503 transitions. [2021-11-19 13:34:38,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-19 13:34:38,933 INFO L276 IsEmpty]: Start isEmpty. Operand 8504 states and 12503 transitions. [2021-11-19 13:34:38,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-19 13:34:38,942 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:38,943 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:39,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-11-19 13:34:39,370 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forcibly destroying the process [2021-11-19 13:34:39,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 137 [2021-11-19 13:34:39,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:34:39,459 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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 13:34:39,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:39,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1731661949, now seen corresponding path program 1 times [2021-11-19 13:34:39,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:34:39,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [37526189] [2021-11-19 13:34:39,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:39,480 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:34:39,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:34:39,481 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:34:39,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-19 13:34:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:57,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 9994 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-19 13:34:57,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:34:59,086 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-11-19 13:34:59,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:35:00,447 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-11-19 13:35:00,448 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:35:00,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [37526189] [2021-11-19 13:35:00,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [37526189] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:35:00,448 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1256069120] [2021-11-19 13:35:00,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:35:00,448 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 13:35:00,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 13:35:00,449 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 13:35:00,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-19 13:35:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:35:05,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 9994 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:35:05,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:35:07,002 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-19 13:35:07,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:35:07,800 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-19 13:35:07,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1256069120] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:35:07,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-19 13:35:07,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16, 16, 4] total 24 [2021-11-19 13:35:07,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034022732] [2021-11-19 13:35:07,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:35:07,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:35:07,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:35:07,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:35:07,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=501, Unknown=0, NotChecked=0, Total=552 [2021-11-19 13:35:07,803 INFO L87 Difference]: Start difference. First operand 8504 states and 12503 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-19 13:35:08,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:35:08,693 INFO L93 Difference]: Finished difference Result 8510 states and 12508 transitions. [2021-11-19 13:35:08,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:35:08,694 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 98 [2021-11-19 13:35:08,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:35:08,745 INFO L225 Difference]: With dead ends: 8510 [2021-11-19 13:35:08,745 INFO L226 Difference]: Without dead ends: 8508 [2021-11-19 13:35:08,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-11-19 13:35:08,754 INFO L933 BasicCegarLoop]: 11830 mSDtfsCounter, 11784 mSDsluCounter, 23635 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11794 SdHoareTripleChecker+Valid, 35465 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:35:08,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11794 Valid, 35465 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:35:08,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8508 states. [2021-11-19 13:35:09,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8508 to 8508. [2021-11-19 13:35:09,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8508 states, 5928 states have (on average 1.3383940620782726) internal successors, (7934), 6040 states have internal predecessors, (7934), 2286 states have call successors, (2286), 294 states have call predecessors, (2286), 291 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2021-11-19 13:35:09,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8508 states to 8508 states and 12506 transitions. [2021-11-19 13:35:09,739 INFO L78 Accepts]: Start accepts. Automaton has 8508 states and 12506 transitions. Word has length 98 [2021-11-19 13:35:09,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:35:09,739 INFO L470 AbstractCegarLoop]: Abstraction has 8508 states and 12506 transitions. [2021-11-19 13:35:09,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-19 13:35:09,740 INFO L276 IsEmpty]: Start isEmpty. Operand 8508 states and 12506 transitions. [2021-11-19 13:35:09,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-19 13:35:09,742 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:35:09,742 INFO L514 BasicCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:35:09,958 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Forcibly destroying the process [2021-11-19 13:35:09,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-19 13:35:10,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-11-19 13:35:10,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 13:35:10,189 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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 13:35:10,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:35:10,190 INFO L85 PathProgramCache]: Analyzing trace with hash -937773391, now seen corresponding path program 1 times [2021-11-19 13:35:10,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:35:10,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1589279529] [2021-11-19 13:35:10,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:35:10,204 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:35:10,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:35:10,205 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:35:10,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-19 13:35:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:35:27,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 10001 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-19 13:35:27,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:35:29,367 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-19 13:35:29,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:35:30,609 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-11-19 13:35:30,609 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:35:30,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1589279529] [2021-11-19 13:35:30,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1589279529] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:35:30,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1977661996] [2021-11-19 13:35:30,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:35:30,609 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 13:35:30,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 13:35:30,610 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 13:35:30,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-11-19 13:35:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:35:36,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 10001 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:35:36,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:35:37,743 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-11-19 13:35:37,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:35:38,526 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-11-19 13:35:38,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1977661996] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:35:38,527 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-19 13:35:38,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16, 16, 4] total 24 [2021-11-19 13:35:38,527 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947362855] [2021-11-19 13:35:38,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:35:38,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:35:38,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:35:38,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:35:38,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=501, Unknown=0, NotChecked=0, Total=552 [2021-11-19 13:35:38,529 INFO L87 Difference]: Start difference. First operand 8508 states and 12506 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-19 13:35:39,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:35:39,451 INFO L93 Difference]: Finished difference Result 8514 states and 12511 transitions. [2021-11-19 13:35:39,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:35:39,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 103 [2021-11-19 13:35:39,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:35:39,496 INFO L225 Difference]: With dead ends: 8514 [2021-11-19 13:35:39,497 INFO L226 Difference]: Without dead ends: 8512 [2021-11-19 13:35:39,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-11-19 13:35:39,505 INFO L933 BasicCegarLoop]: 11830 mSDtfsCounter, 11784 mSDsluCounter, 23635 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11793 SdHoareTripleChecker+Valid, 35465 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:35:39,506 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11793 Valid, 35465 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:35:39,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8512 states. [2021-11-19 13:35:40,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8512 to 8512. [2021-11-19 13:35:40,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8512 states, 5931 states have (on average 1.338222896644748) internal successors, (7937), 6043 states have internal predecessors, (7937), 2286 states have call successors, (2286), 295 states have call predecessors, (2286), 292 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2021-11-19 13:35:40,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8512 states to 8512 states and 12509 transitions. [2021-11-19 13:35:40,591 INFO L78 Accepts]: Start accepts. Automaton has 8512 states and 12509 transitions. Word has length 103 [2021-11-19 13:35:40,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:35:40,592 INFO L470 AbstractCegarLoop]: Abstraction has 8512 states and 12509 transitions. [2021-11-19 13:35:40,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-19 13:35:40,592 INFO L276 IsEmpty]: Start isEmpty. Operand 8512 states and 12509 transitions. [2021-11-19 13:35:40,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-19 13:35:40,595 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:35:40,595 INFO L514 BasicCegarLoop]: trace histogram [10, 9, 9, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:35:40,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-11-19 13:35:40,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-11-19 13:35:41,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:35:41,007 INFO L402 AbstractCegarLoop]: === Iteration 10 === 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 13:35:41,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:35:41,007 INFO L85 PathProgramCache]: Analyzing trace with hash -592213979, now seen corresponding path program 1 times [2021-11-19 13:35:41,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:35:41,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1716667849] [2021-11-19 13:35:41,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:35:41,018 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:35:41,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:35:41,019 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:35:41,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-19 13:35:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:35:59,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 9968 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:35:59,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:36:00,682 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-11-19 13:36:00,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:36:01,170 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-11-19 13:36:01,171 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:36:01,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1716667849] [2021-11-19 13:36:01,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1716667849] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:36:01,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:36:01,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-19 13:36:01,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986622842] [2021-11-19 13:36:01,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:36:01,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:36:01,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:36:01,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:36:01,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:36:01,172 INFO L87 Difference]: Start difference. First operand 8512 states and 12509 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-19 13:36:02,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:36:02,059 INFO L93 Difference]: Finished difference Result 8518 states and 12514 transitions. [2021-11-19 13:36:02,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:36:02,060 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 95 [2021-11-19 13:36:02,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:36:02,098 INFO L225 Difference]: With dead ends: 8518 [2021-11-19 13:36:02,099 INFO L226 Difference]: Without dead ends: 8516 [2021-11-19 13:36:02,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:36:02,104 INFO L933 BasicCegarLoop]: 11830 mSDtfsCounter, 11794 mSDsluCounter, 23635 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11802 SdHoareTripleChecker+Valid, 35465 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:36:02,105 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11802 Valid, 35465 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:36:02,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8516 states. [2021-11-19 13:36:02,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8516 to 8516. [2021-11-19 13:36:02,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8516 states, 5934 states have (on average 1.338051904280418) internal successors, (7940), 6046 states have internal predecessors, (7940), 2286 states have call successors, (2286), 296 states have call predecessors, (2286), 293 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2021-11-19 13:36:03,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8516 states to 8516 states and 12512 transitions. [2021-11-19 13:36:03,039 INFO L78 Accepts]: Start accepts. Automaton has 8516 states and 12512 transitions. Word has length 95 [2021-11-19 13:36:03,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:36:03,039 INFO L470 AbstractCegarLoop]: Abstraction has 8516 states and 12512 transitions. [2021-11-19 13:36:03,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-19 13:36:03,039 INFO L276 IsEmpty]: Start isEmpty. Operand 8516 states and 12512 transitions. [2021-11-19 13:36:03,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-19 13:36:03,042 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:36:03,042 INFO L514 BasicCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:36:03,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-19 13:36:03,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:36:03,249 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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 13:36:03,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:36:03,250 INFO L85 PathProgramCache]: Analyzing trace with hash -608542001, now seen corresponding path program 1 times [2021-11-19 13:36:03,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:36:03,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1249922200] [2021-11-19 13:36:03,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:36:03,262 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:36:03,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:36:03,263 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:36:03,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-19 13:36:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:36:22,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 9975 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:36:22,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:36:22,960 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-11-19 13:36:22,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:36:23,470 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2021-11-19 13:36:23,470 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:36:23,471 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1249922200] [2021-11-19 13:36:23,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1249922200] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:36:23,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:36:23,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-19 13:36:23,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340890617] [2021-11-19 13:36:23,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:36:23,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:36:23,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:36:23,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:36:23,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:36:23,473 INFO L87 Difference]: Start difference. First operand 8516 states and 12512 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-19 13:36:24,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:36:24,156 INFO L93 Difference]: Finished difference Result 8522 states and 12517 transitions. [2021-11-19 13:36:24,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:36:24,157 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 100 [2021-11-19 13:36:24,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:36:24,192 INFO L225 Difference]: With dead ends: 8522 [2021-11-19 13:36:24,192 INFO L226 Difference]: Without dead ends: 8520 [2021-11-19 13:36:24,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:36:24,200 INFO L933 BasicCegarLoop]: 11830 mSDtfsCounter, 11794 mSDsluCounter, 23635 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11801 SdHoareTripleChecker+Valid, 35465 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:36:24,200 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11801 Valid, 35465 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:36:24,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8520 states. [2021-11-19 13:36:25,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8520 to 8520. [2021-11-19 13:36:25,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8520 states, 5937 states have (on average 1.337881084722924) internal successors, (7943), 6049 states have internal predecessors, (7943), 2286 states have call successors, (2286), 297 states have call predecessors, (2286), 294 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2021-11-19 13:36:25,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8520 states to 8520 states and 12515 transitions. [2021-11-19 13:36:25,066 INFO L78 Accepts]: Start accepts. Automaton has 8520 states and 12515 transitions. Word has length 100 [2021-11-19 13:36:25,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:36:25,066 INFO L470 AbstractCegarLoop]: Abstraction has 8520 states and 12515 transitions. [2021-11-19 13:36:25,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-19 13:36:25,066 INFO L276 IsEmpty]: Start isEmpty. Operand 8520 states and 12515 transitions. [2021-11-19 13:36:25,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-19 13:36:25,068 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:36:25,068 INFO L514 BasicCegarLoop]: trace histogram [12, 11, 11, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:36:25,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-11-19 13:36:25,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:36:25,283 INFO L402 AbstractCegarLoop]: === Iteration 12 === 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 13:36:25,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:36:25,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1931524645, now seen corresponding path program 1 times [2021-11-19 13:36:25,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:36:25,291 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1349423041] [2021-11-19 13:36:25,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:36:25,292 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:36:25,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:36:25,293 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:36:25,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-19 13:36:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:36:42,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 9982 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:36:42,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:36:43,938 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-19 13:36:43,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:36:44,475 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-19 13:36:44,475 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:36:44,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1349423041] [2021-11-19 13:36:44,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1349423041] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:36:44,476 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:36:44,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-19 13:36:44,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169409570] [2021-11-19 13:36:44,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:36:44,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:36:44,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:36:44,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:36:44,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:36:44,477 INFO L87 Difference]: Start difference. First operand 8520 states and 12515 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-19 13:36:45,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:36:45,223 INFO L93 Difference]: Finished difference Result 8526 states and 12520 transitions. [2021-11-19 13:36:45,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:36:45,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 105 [2021-11-19 13:36:45,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:36:45,256 INFO L225 Difference]: With dead ends: 8526 [2021-11-19 13:36:45,256 INFO L226 Difference]: Without dead ends: 8524 [2021-11-19 13:36:45,262 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:36:45,263 INFO L933 BasicCegarLoop]: 11830 mSDtfsCounter, 11794 mSDsluCounter, 23635 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11800 SdHoareTripleChecker+Valid, 35465 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:36:45,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11800 Valid, 35465 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:36:45,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8524 states. [2021-11-19 13:36:46,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8524 to 8524. [2021-11-19 13:36:46,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8524 states, 5940 states have (on average 1.3377104377104376) internal successors, (7946), 6052 states have internal predecessors, (7946), 2286 states have call successors, (2286), 298 states have call predecessors, (2286), 295 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2021-11-19 13:36:46,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8524 states to 8524 states and 12518 transitions. [2021-11-19 13:36:46,156 INFO L78 Accepts]: Start accepts. Automaton has 8524 states and 12518 transitions. Word has length 105 [2021-11-19 13:36:46,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:36:46,157 INFO L470 AbstractCegarLoop]: Abstraction has 8524 states and 12518 transitions. [2021-11-19 13:36:46,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-19 13:36:46,157 INFO L276 IsEmpty]: Start isEmpty. Operand 8524 states and 12518 transitions. [2021-11-19 13:36:46,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-19 13:36:46,159 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:36:46,160 INFO L514 BasicCegarLoop]: trace histogram [13, 12, 12, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:36:46,360 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (16)] Forcibly destroying the process [2021-11-19 13:36:46,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-19 13:36:46,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:36:46,371 INFO L402 AbstractCegarLoop]: === Iteration 13 === 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 13:36:46,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:36:46,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1812553649, now seen corresponding path program 1 times [2021-11-19 13:36:46,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:36:46,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1669870246] [2021-11-19 13:36:46,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:36:46,382 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:36:46,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:36:46,384 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:36:46,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-19 13:37:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:37:04,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 9989 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:37:04,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:37:05,343 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2021-11-19 13:37:05,343 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:37:05,881 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2021-11-19 13:37:05,881 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:37:05,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1669870246] [2021-11-19 13:37:05,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1669870246] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:37:05,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:37:05,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-19 13:37:05,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310241315] [2021-11-19 13:37:05,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:37:05,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:37:05,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:37:05,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:37:05,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:37:05,884 INFO L87 Difference]: Start difference. First operand 8524 states and 12518 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-19 13:37:06,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:37:06,688 INFO L93 Difference]: Finished difference Result 8530 states and 12523 transitions. [2021-11-19 13:37:06,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:37:06,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 110 [2021-11-19 13:37:06,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:37:06,714 INFO L225 Difference]: With dead ends: 8530 [2021-11-19 13:37:06,715 INFO L226 Difference]: Without dead ends: 8528 [2021-11-19 13:37:06,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:37:06,720 INFO L933 BasicCegarLoop]: 11830 mSDtfsCounter, 11794 mSDsluCounter, 23635 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11799 SdHoareTripleChecker+Valid, 35465 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:37:06,720 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11799 Valid, 35465 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:37:06,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8528 states. [2021-11-19 13:37:07,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8528 to 8528. [2021-11-19 13:37:07,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8528 states, 5943 states have (on average 1.3375399629816591) internal successors, (7949), 6055 states have internal predecessors, (7949), 2286 states have call successors, (2286), 299 states have call predecessors, (2286), 296 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2021-11-19 13:37:07,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8528 states to 8528 states and 12521 transitions. [2021-11-19 13:37:07,625 INFO L78 Accepts]: Start accepts. Automaton has 8528 states and 12521 transitions. Word has length 110 [2021-11-19 13:37:07,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:37:07,626 INFO L470 AbstractCegarLoop]: Abstraction has 8528 states and 12521 transitions. [2021-11-19 13:37:07,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-19 13:37:07,626 INFO L276 IsEmpty]: Start isEmpty. Operand 8528 states and 12521 transitions. [2021-11-19 13:37:07,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-19 13:37:07,631 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:37:07,631 INFO L514 BasicCegarLoop]: trace histogram [14, 13, 13, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:37:07,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-19 13:37:07,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:37:07,859 INFO L402 AbstractCegarLoop]: === Iteration 14 === 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 13:37:07,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:37:07,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1194347779, now seen corresponding path program 1 times [2021-11-19 13:37:07,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:37:07,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [218267699] [2021-11-19 13:37:07,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:37:07,870 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:37:07,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:37:07,873 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:37:07,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-19 13:37:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:37:26,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 10036 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-19 13:37:26,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:37:27,622 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2021-11-19 13:37:27,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:37:29,001 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2021-11-19 13:37:29,001 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:37:29,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [218267699] [2021-11-19 13:37:29,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [218267699] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 13:37:29,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2008370086] [2021-11-19 13:37:29,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:37:29,002 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-19 13:37:29,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/cvc4 [2021-11-19 13:37:29,004 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-19 13:37:29,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-11-19 13:37:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:37:34,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 10036 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:37:34,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:37:36,084 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2021-11-19 13:37:36,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:37:36,962 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2021-11-19 13:37:36,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2008370086] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:37:36,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-19 13:37:36,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16, 16, 4] total 24 [2021-11-19 13:37:36,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975276915] [2021-11-19 13:37:36,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:37:36,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:37:36,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:37:36,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:37:36,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=501, Unknown=0, NotChecked=0, Total=552 [2021-11-19 13:37:36,965 INFO L87 Difference]: Start difference. First operand 8528 states and 12521 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-19 13:37:38,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:37:38,096 INFO L93 Difference]: Finished difference Result 8534 states and 12526 transitions. [2021-11-19 13:37:38,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:37:38,096 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 128 [2021-11-19 13:37:38,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:37:38,125 INFO L225 Difference]: With dead ends: 8534 [2021-11-19 13:37:38,125 INFO L226 Difference]: Without dead ends: 8532 [2021-11-19 13:37:38,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 486 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2021-11-19 13:37:38,130 INFO L933 BasicCegarLoop]: 11830 mSDtfsCounter, 11784 mSDsluCounter, 23635 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11788 SdHoareTripleChecker+Valid, 35465 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:37:38,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11788 Valid, 35465 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:37:38,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8532 states. [2021-11-19 13:37:38,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8532 to 8532. [2021-11-19 13:37:38,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8532 states, 5946 states have (on average 1.3373696602758156) internal successors, (7952), 6058 states have internal predecessors, (7952), 2286 states have call successors, (2286), 300 states have call predecessors, (2286), 297 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2021-11-19 13:37:39,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8532 states to 8532 states and 12524 transitions. [2021-11-19 13:37:39,171 INFO L78 Accepts]: Start accepts. Automaton has 8532 states and 12524 transitions. Word has length 128 [2021-11-19 13:37:39,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:37:39,171 INFO L470 AbstractCegarLoop]: Abstraction has 8532 states and 12524 transitions. [2021-11-19 13:37:39,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-19 13:37:39,171 INFO L276 IsEmpty]: Start isEmpty. Operand 8532 states and 12524 transitions. [2021-11-19 13:37:39,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-19 13:37:39,173 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:37:39,173 INFO L514 BasicCegarLoop]: trace histogram [15, 14, 14, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:37:39,374 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (18)] Forcibly destroying the process [2021-11-19 13:37:39,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-19 13:37:39,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2021-11-19 13:37:39,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/cvc4 --incremental --print-success --lang smt [2021-11-19 13:37:39,586 INFO L402 AbstractCegarLoop]: === Iteration 15 === 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 13:37:39,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:37:39,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1150660047, now seen corresponding path program 1 times [2021-11-19 13:37:39,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:37:39,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [692930386] [2021-11-19 13:37:39,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:37:39,598 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:37:39,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:37:39,599 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:37:39,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-19 13:37:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:37:58,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 10003 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 13:37:58,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:37:59,475 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2021-11-19 13:37:59,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:38:00,052 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2021-11-19 13:38:00,052 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:38:00,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [692930386] [2021-11-19 13:38:00,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [692930386] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 13:38:00,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 13:38:00,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-19 13:38:00,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887703659] [2021-11-19 13:38:00,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:38:00,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 13:38:00,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:38:00,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 13:38:00,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 13:38:00,055 INFO L87 Difference]: Start difference. First operand 8532 states and 12524 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-19 13:38:00,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:38:00,996 INFO L93 Difference]: Finished difference Result 8538 states and 12529 transitions. [2021-11-19 13:38:00,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:38:00,997 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 120 [2021-11-19 13:38:00,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:38:01,020 INFO L225 Difference]: With dead ends: 8538 [2021-11-19 13:38:01,020 INFO L226 Difference]: Without dead ends: 8536 [2021-11-19 13:38:01,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:38:01,023 INFO L933 BasicCegarLoop]: 11830 mSDtfsCounter, 11794 mSDsluCounter, 23635 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11797 SdHoareTripleChecker+Valid, 35465 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:38:01,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11797 Valid, 35465 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:38:01,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8536 states. [2021-11-19 13:38:01,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8536 to 8536. [2021-11-19 13:38:01,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8536 states, 5949 states have (on average 1.3371995293326608) internal successors, (7955), 6061 states have internal predecessors, (7955), 2286 states have call successors, (2286), 301 states have call predecessors, (2286), 298 states have return successors, (2286), 2267 states have call predecessors, (2286), 2283 states have call successors, (2286) [2021-11-19 13:38:01,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8536 states to 8536 states and 12527 transitions. [2021-11-19 13:38:01,990 INFO L78 Accepts]: Start accepts. Automaton has 8536 states and 12527 transitions. Word has length 120 [2021-11-19 13:38:01,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:38:01,991 INFO L470 AbstractCegarLoop]: Abstraction has 8536 states and 12527 transitions. [2021-11-19 13:38:01,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-19 13:38:01,991 INFO L276 IsEmpty]: Start isEmpty. Operand 8536 states and 12527 transitions. [2021-11-19 13:38:01,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-19 13:38:01,992 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:38:01,993 INFO L514 BasicCegarLoop]: trace histogram [16, 15, 15, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:38:02,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-19 13:38:02,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:38:02,194 INFO L402 AbstractCegarLoop]: === Iteration 16 === 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 13:38:02,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:38:02,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1856954755, now seen corresponding path program 1 times [2021-11-19 13:38:02,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:38:02,207 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [197837237] [2021-11-19 13:38:02,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:38:02,207 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:38:02,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:38:02,208 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:38:02,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ceb1f3-62fb-4e72-9c15-3439d074c18b/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process