./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 64aaa2c87a4de1c88eb34c3e46acac6ee922a28857b5aba2fc46176181dd1912 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:28:24,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:28:24,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:28:24,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:28:24,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:28:24,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:28:24,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:28:24,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:28:24,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:28:24,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:28:24,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:28:24,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:28:24,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:28:24,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:28:24,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:28:24,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:28:24,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:28:24,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:28:24,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:28:24,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:28:24,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:28:24,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:28:24,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:28:24,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:28:24,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:28:24,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:28:24,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:28:24,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:28:24,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:28:24,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:28:24,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:28:24,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:28:24,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:28:24,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:28:24,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:28:24,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:28:24,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:28:24,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:28:24,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:28:24,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:28:24,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:28:24,222 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:28:24,247 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:28:24,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:28:24,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:28:24,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:28:24,248 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:28:24,249 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:28:24,249 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:28:24,249 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:28:24,249 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:28:24,249 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:28:24,250 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:28:24,250 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:28:24,250 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:28:24,250 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:28:24,250 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:28:24,251 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:28:24,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:28:24,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:28:24,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:28:24,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:28:24,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:28:24,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:28:24,253 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:28:24,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:28:24,253 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:28:24,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:28:24,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:28:24,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:28:24,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:28:24,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:28:24,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:28:24,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:28:24,255 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:28:24,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:28:24,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:28:24,255 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:28:24,256 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:28:24,256 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_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64aaa2c87a4de1c88eb34c3e46acac6ee922a28857b5aba2fc46176181dd1912 [2021-11-12 23:28:24,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:28:24,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:28:24,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:28:24,501 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:28:24,507 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:28:24,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-12 23:28:24,578 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/data/9a495424a/763506fead064dfbb00ef7be1b9f62b3/FLAG440de83dc [2021-11-12 23:28:25,688 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:28:25,689 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-12 23:28:25,771 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/data/9a495424a/763506fead064dfbb00ef7be1b9f62b3/FLAG440de83dc [2021-11-12 23:28:26,086 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/data/9a495424a/763506fead064dfbb00ef7be1b9f62b3 [2021-11-12 23:28:26,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:28:26,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:28:26,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:28:26,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:28:26,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:28:26,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:28:26" (1/1) ... [2021-11-12 23:28:26,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f1e58cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:28:26, skipping insertion in model container [2021-11-12 23:28:26,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:28:26" (1/1) ... [2021-11-12 23:28:26,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:28:26,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:28:30,856 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:28:30,867 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:28:30,881 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:28:30,884 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:28:30,886 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:28:30,887 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:28:31,591 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:28:32,091 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:28:32,100 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:28:33,402 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656828,656841] [2021-11-12 23:28:33,405 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656994,657007] [2021-11-12 23:28:33,406 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657158,657171] [2021-11-12 23:28:33,406 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657323,657336] [2021-11-12 23:28:33,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:28:33,509 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 23:28:33,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@996cc47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:28:33, skipping insertion in model container [2021-11-12 23:28:33,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:28:33,510 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:28:33,512 INFO L158 Benchmark]: Toolchain (without parser) took 7421.00ms. Allocated memory was 107.0MB in the beginning and 222.3MB in the end (delta: 115.3MB). Free memory was 66.6MB in the beginning and 115.4MB in the end (delta: -48.8MB). Peak memory consumption was 109.3MB. Max. memory is 16.1GB. [2021-11-12 23:28:33,513 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory was 59.3MB in the beginning and 59.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:28:33,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7418.78ms. Allocated memory was 107.0MB in the beginning and 222.3MB in the end (delta: 115.3MB). Free memory was 66.6MB in the beginning and 115.4MB in the end (delta: -48.8MB). Peak memory consumption was 109.3MB. Max. memory is 16.1GB. [2021-11-12 23:28:33,515 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory was 59.3MB in the beginning and 59.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7418.78ms. Allocated memory was 107.0MB in the beginning and 222.3MB in the end (delta: 115.3MB). Free memory was 66.6MB in the beginning and 115.4MB in the end (delta: -48.8MB). Peak memory consumption was 109.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 7867]: 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_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 64aaa2c87a4de1c88eb34c3e46acac6ee922a28857b5aba2fc46176181dd1912 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:28:35,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:28:35,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:28:35,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:28:35,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:28:35,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:28:35,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:28:35,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:28:35,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:28:35,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:28:35,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:28:35,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:28:35,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:28:35,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:28:35,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:28:35,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:28:35,784 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:28:35,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:28:35,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:28:35,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:28:35,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:28:35,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:28:35,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:28:35,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:28:35,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:28:35,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:28:35,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:28:35,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:28:35,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:28:35,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:28:35,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:28:35,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:28:35,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:28:35,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:28:35,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:28:35,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:28:35,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:28:35,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:28:35,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:28:35,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:28:35,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:28:35,828 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:28:35,865 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:28:35,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:28:35,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:28:35,867 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:28:35,867 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:28:35,868 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:28:35,868 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:28:35,868 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:28:35,868 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:28:35,868 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:28:35,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:28:35,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:28:35,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:28:35,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:28:35,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:28:35,871 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:28:35,872 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:28:35,872 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:28:35,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:28:35,872 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:28:35,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:28:35,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:28:35,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:28:35,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:28:35,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:28:35,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:28:35,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:28:35,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:28:35,874 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:28:35,874 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:28:35,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:28:35,874 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:28:35,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:28:35,875 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_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64aaa2c87a4de1c88eb34c3e46acac6ee922a28857b5aba2fc46176181dd1912 [2021-11-12 23:28:36,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:28:36,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:28:36,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:28:36,277 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:28:36,278 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:28:36,280 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-12 23:28:36,357 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/data/d55603cb8/7aa5051d7d744872a60f2cf6d0c27496/FLAG854be33bc [2021-11-12 23:28:37,543 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:28:37,544 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-12 23:28:37,625 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/data/d55603cb8/7aa5051d7d744872a60f2cf6d0c27496/FLAG854be33bc [2021-11-12 23:28:37,710 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/data/d55603cb8/7aa5051d7d744872a60f2cf6d0c27496 [2021-11-12 23:28:37,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:28:37,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:28:37,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:28:37,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:28:37,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:28:37,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:28:37" (1/1) ... [2021-11-12 23:28:37,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c2cdb10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:28:37, skipping insertion in model container [2021-11-12 23:28:37,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:28:37" (1/1) ... [2021-11-12 23:28:37,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:28:38,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:28:44,724 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656828,656841] [2021-11-12 23:28:44,728 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656994,657007] [2021-11-12 23:28:44,729 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657158,657171] [2021-11-12 23:28:44,730 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657323,657336] [2021-11-12 23:28:44,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:28:44,903 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:28:45,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:28:45,704 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656828,656841] [2021-11-12 23:28:45,705 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656994,657007] [2021-11-12 23:28:45,706 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657158,657171] [2021-11-12 23:28:45,706 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657323,657336] [2021-11-12 23:28:45,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:28:45,796 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:28:46,794 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656828,656841] [2021-11-12 23:28:46,795 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656994,657007] [2021-11-12 23:28:46,796 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657158,657171] [2021-11-12 23:28:46,797 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657323,657336] [2021-11-12 23:28:46,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:28:47,304 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:28:47,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:28:47 WrapperNode [2021-11-12 23:28:47,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:28:47,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:28:47,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:28:47,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:28:47,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:28:47" (1/1) ... [2021-11-12 23:28:47,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:28:47" (1/1) ... [2021-11-12 23:28:48,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:28:48,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:28:48,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:28:48,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:28:48,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:28:47" (1/1) ... [2021-11-12 23:28:48,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:28:47" (1/1) ... [2021-11-12 23:28:48,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:28:47" (1/1) ... [2021-11-12 23:28:48,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:28:47" (1/1) ... [2021-11-12 23:28:48,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:28:47" (1/1) ... [2021-11-12 23:28:48,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:28:47" (1/1) ... [2021-11-12 23:28:48,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:28:47" (1/1) ... [2021-11-12 23:28:48,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:28:48,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:28:48,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:28:48,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:28:48,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:28:47" (1/1) ... [2021-11-12 23:28:48,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:28:48,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:28:49,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:28:49,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:28:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-12 23:28:49,156 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-12 23:28:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2021-11-12 23:28:49,156 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2021-11-12 23:28:49,156 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2021-11-12 23:28:49,157 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2021-11-12 23:28:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2021-11-12 23:28:49,157 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2021-11-12 23:28:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-12 23:28:49,157 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-12 23:28:49,157 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-12 23:28:49,157 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-12 23:28:49,158 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2021-11-12 23:28:49,158 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2021-11-12 23:28:49,158 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-12 23:28:49,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-12 23:28:49,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:28:49,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:28:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-12 23:28:49,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-12 23:28:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2021-11-12 23:28:49,159 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2021-11-12 23:28:49,159 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2021-11-12 23:28:49,159 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2021-11-12 23:28:49,160 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-12 23:28:49,160 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-12 23:28:49,160 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2021-11-12 23:28:49,160 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2021-11-12 23:28:49,160 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2021-11-12 23:28:49,161 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2021-11-12 23:28:49,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:28:49,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:28:49,161 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2021-11-12 23:28:49,161 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2021-11-12 23:28:49,161 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2021-11-12 23:28:49,162 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2021-11-12 23:28:49,162 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-12 23:28:49,162 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-12 23:28:49,163 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2021-11-12 23:28:49,163 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2021-11-12 23:28:49,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_11_4 [2021-11-12 23:28:49,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_11_4 [2021-11-12 23:28:49,163 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2021-11-12 23:28:49,164 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2021-11-12 23:28:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-12 23:28:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-12 23:28:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2021-11-12 23:28:49,165 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2021-11-12 23:28:49,165 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2021-11-12 23:28:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2021-11-12 23:28:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-12 23:28:49,166 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-12 23:28:49,166 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-12 23:28:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-12 23:28:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-12 23:28:49,167 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-12 23:28:49,167 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2021-11-12 23:28:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2021-11-12 23:28:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-12 23:28:49,168 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-12 23:28:49,168 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2021-11-12 23:28:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2021-11-12 23:28:49,169 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-12 23:28:49,169 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-12 23:28:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2021-11-12 23:28:49,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2021-11-12 23:28:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 23:28:49,170 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 23:28:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2021-11-12 23:28:49,170 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2021-11-12 23:28:49,170 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2021-11-12 23:28:49,171 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2021-11-12 23:28:49,171 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-12 23:28:49,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-12 23:28:49,171 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2021-11-12 23:28:49,172 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2021-11-12 23:28:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-11-12 23:28:49,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-11-12 23:28:49,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2021-11-12 23:28:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2021-11-12 23:28:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-12 23:28:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-12 23:28:49,174 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-12 23:28:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:28:49,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:28:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-12 23:28:49,174 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-12 23:28:49,174 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-12 23:28:49,175 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-12 23:28:49,175 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-12 23:28:49,175 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-12 23:28:49,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:28:49,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:28:49,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-12 23:28:49,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-12 23:28:49,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2021-11-12 23:28:49,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2021-11-12 23:28:49,176 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-12 23:28:49,176 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-12 23:28:49,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:28:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2021-11-12 23:28:49,177 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2021-11-12 23:28:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:28:49,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:28:49,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:28:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2021-11-12 23:28:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2021-11-12 23:28:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-12 23:28:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-12 23:28:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-12 23:28:49,183 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-12 23:28:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2021-11-12 23:28:49,184 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2021-11-12 23:28:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-12 23:28:49,190 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-12 23:28:49,190 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2021-11-12 23:28:49,191 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2021-11-12 23:28:49,191 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-12 23:28:49,191 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-12 23:28:49,191 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-12 23:28:49,191 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-12 23:28:49,191 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-12 23:28:49,192 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-12 23:28:49,192 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-12 23:28:49,192 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-12 23:28:49,192 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-12 23:28:49,192 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-12 23:28:49,192 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-12 23:28:49,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-12 23:28:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2021-11-12 23:28:49,193 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2021-11-12 23:28:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2021-11-12 23:28:49,193 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2021-11-12 23:28:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 23:28:49,193 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 23:28:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2021-11-12 23:28:49,194 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2021-11-12 23:28:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-12 23:28:49,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-12 23:28:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2021-11-12 23:28:49,194 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2021-11-12 23:28:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:28:49,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:28:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2021-11-12 23:28:49,195 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2021-11-12 23:28:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2021-11-12 23:28:49,195 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2021-11-12 23:28:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-11-12 23:28:49,195 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-11-12 23:28:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2021-11-12 23:28:49,195 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2021-11-12 23:28:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-12 23:28:49,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-12 23:28:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-12 23:28:49,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-12 23:28:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-12 23:28:49,196 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-12 23:28:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:28:49,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:28:49,197 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2021-11-12 23:28:49,197 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2021-11-12 23:28:49,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-12 23:28:49,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-12 23:28:49,197 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2021-11-12 23:28:49,197 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2021-11-12 23:28:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2021-11-12 23:28:49,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2021-11-12 23:28:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2021-11-12 23:28:49,198 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2021-11-12 23:28:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-12 23:28:49,198 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-12 23:28:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-12 23:28:49,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-12 23:28:49,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_59 [2021-11-12 23:28:49,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_59 [2021-11-12 23:28:49,199 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_self_test [2021-11-12 23:28:49,199 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_self_test [2021-11-12 23:28:49,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 23:28:49,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 23:28:49,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2021-11-12 23:28:49,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2021-11-12 23:28:49,201 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-12 23:28:49,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-12 23:28:49,201 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2021-11-12 23:28:49,202 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2021-11-12 23:28:49,202 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2021-11-12 23:28:49,202 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2021-11-12 23:28:49,202 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-12 23:28:49,202 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-12 23:28:49,202 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2021-11-12 23:28:49,202 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2021-11-12 23:28:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2021-11-12 23:28:49,203 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2021-11-12 23:28:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2021-11-12 23:28:49,203 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2021-11-12 23:28:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-12 23:28:49,203 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-12 23:28:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2021-11-12 23:28:49,204 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2021-11-12 23:28:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-12 23:28:49,204 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-12 23:28:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-11-12 23:28:49,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-11-12 23:28:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 23:28:49,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-11-12 23:28:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2021-11-12 23:28:49,205 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2021-11-12 23:28:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2021-11-12 23:28:49,205 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2021-11-12 23:28:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2021-11-12 23:28:49,205 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2021-11-12 23:28:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2021-11-12 23:28:49,205 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2021-11-12 23:28:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:28:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_timer [2021-11-12 23:28:49,206 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_timer [2021-11-12 23:28:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-12 23:28:49,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-12 23:28:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-12 23:28:49,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-12 23:28:49,207 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-12 23:28:49,207 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-12 23:28:49,207 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2021-11-12 23:28:49,207 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2021-11-12 23:28:49,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:28:49,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:28:49,207 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 23:28:49,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 23:28:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:28:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-12 23:28:49,208 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-12 23:28:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-12 23:28:49,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:28:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_29 [2021-11-12 23:28:49,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_29 [2021-11-12 23:28:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2021-11-12 23:28:49,213 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2021-11-12 23:28:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:28:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:28:49,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:28:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:28:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2021-11-12 23:28:49,215 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2021-11-12 23:28:49,215 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-12 23:28:49,215 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-12 23:28:49,215 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2021-11-12 23:28:49,215 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2021-11-12 23:28:49,216 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2021-11-12 23:28:49,216 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2021-11-12 23:28:49,216 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-12 23:28:49,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2021-11-12 23:28:49,216 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-12 23:28:49,216 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-12 23:28:49,216 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-12 23:28:49,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2021-11-12 23:28:49,217 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2021-11-12 23:28:49,217 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2021-11-12 23:28:49,217 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-11-12 23:28:49,217 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-11-12 23:28:49,217 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2021-11-12 23:28:49,217 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2021-11-12 23:28:49,217 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2021-11-12 23:28:49,218 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2021-11-12 23:28:49,218 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-12 23:28:49,218 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-12 23:28:49,218 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-12 23:28:49,218 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-12 23:28:49,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_53 [2021-11-12 23:28:49,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_53 [2021-11-12 23:28:49,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_52 [2021-11-12 23:28:49,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_52 [2021-11-12 23:28:49,219 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-12 23:28:49,219 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-12 23:28:49,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-12 23:28:49,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-12 23:28:49,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_49 [2021-11-12 23:28:49,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_49 [2021-11-12 23:28:49,219 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-11-12 23:28:49,220 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-11-12 23:28:49,220 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-11-12 23:28:49,220 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-11-12 23:28:49,220 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-12 23:28:49,220 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-12 23:28:49,220 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2021-11-12 23:28:49,220 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2021-11-12 23:28:49,220 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-12 23:28:49,221 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-12 23:28:49,221 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-12 23:28:49,221 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-12 23:28:49,221 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2021-11-12 23:28:49,221 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2021-11-12 23:28:49,221 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2021-11-12 23:28:49,221 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2021-11-12 23:28:49,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:28:49,222 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-12 23:28:49,222 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-12 23:28:49,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_40 [2021-11-12 23:28:49,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_40 [2021-11-12 23:28:49,222 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2021-11-12 23:28:49,222 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2021-11-12 23:28:49,222 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-12 23:28:49,223 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-12 23:28:49,223 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2021-11-12 23:28:49,223 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2021-11-12 23:28:49,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:28:49,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:28:49,223 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-12 23:28:49,223 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-12 23:28:49,224 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-12 23:28:49,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-12 23:28:49,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:28:49,224 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2021-11-12 23:28:49,224 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2021-11-12 23:28:49,224 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-12 23:28:49,224 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-12 23:28:49,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:28:49,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:28:49,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:28:49,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:28:49,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:28:49,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:28:49,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:28:49,225 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2021-11-12 23:28:49,225 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2021-11-12 23:28:49,226 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-12 23:28:49,226 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-12 23:28:49,226 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2021-11-12 23:28:49,226 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2021-11-12 23:28:49,226 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-12 23:28:49,226 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-12 23:28:49,226 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-12 23:28:49,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_34 [2021-11-12 23:28:49,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_34 [2021-11-12 23:28:49,227 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-12 23:28:49,227 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-12 23:28:49,227 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-12 23:28:49,227 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-12 23:28:49,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-12 23:28:49,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-12 23:28:49,228 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2021-11-12 23:28:49,228 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2021-11-12 23:28:49,228 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2021-11-12 23:28:49,228 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2021-11-12 23:28:49,228 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-12 23:28:49,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-12 23:28:49,228 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-12 23:28:49,228 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-12 23:28:49,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:28:49,229 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:28:49,229 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2021-11-12 23:28:49,229 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2021-11-12 23:28:49,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-12 23:28:49,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-12 23:28:49,229 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2021-11-12 23:28:49,230 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2021-11-12 23:28:49,230 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-12 23:28:49,230 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-12 23:28:49,230 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2021-11-12 23:28:49,230 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2021-11-12 23:28:49,230 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2021-11-12 23:28:49,230 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2021-11-12 23:28:49,230 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-12 23:28:49,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-12 23:28:49,231 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-12 23:28:49,231 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-12 23:28:49,231 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2021-11-12 23:28:49,231 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2021-11-12 23:28:49,231 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2021-11-12 23:28:49,231 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2021-11-12 23:28:49,232 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-12 23:28:49,233 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-12 23:28:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-12 23:28:49,233 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-12 23:28:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:28:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2021-11-12 23:28:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2021-11-12 23:28:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2021-11-12 23:28:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2021-11-12 23:28:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2021-11-12 23:28:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2021-11-12 23:28:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-12 23:28:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-12 23:28:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2021-11-12 23:28:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2021-11-12 23:28:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-12 23:28:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-12 23:28:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2021-11-12 23:28:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2021-11-12 23:28:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:28:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2021-11-12 23:28:49,239 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2021-11-12 23:28:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2021-11-12 23:28:49,239 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2021-11-12 23:28:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2021-11-12 23:28:49,239 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2021-11-12 23:28:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-11-12 23:28:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-11-12 23:28:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2021-11-12 23:28:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2021-11-12 23:28:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2021-11-12 23:28:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2021-11-12 23:28:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:28:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:28:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:28:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2021-11-12 23:28:49,241 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2021-11-12 23:28:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:28:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:28:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2021-11-12 23:28:49,241 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2021-11-12 23:28:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2021-11-12 23:28:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2021-11-12 23:28:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-12 23:28:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-12 23:28:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2021-11-12 23:28:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2021-11-12 23:28:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2021-11-12 23:28:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2021-11-12 23:28:49,243 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-12 23:28:49,243 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-12 23:28:49,243 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2021-11-12 23:28:49,243 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2021-11-12 23:28:49,243 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-12 23:28:49,243 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-12 23:28:49,243 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-12 23:28:49,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2021-11-12 23:28:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2021-11-12 23:28:49,244 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2021-11-12 23:28:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-12 23:28:49,244 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-12 23:28:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2021-11-12 23:28:49,244 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2021-11-12 23:28:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:28:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:28:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2021-11-12 23:28:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2021-11-12 23:28:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-12 23:28:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-12 23:28:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2021-11-12 23:28:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2021-11-12 23:28:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-12 23:28:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-12 23:28:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2021-11-12 23:28:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2021-11-12 23:28:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2021-11-12 23:28:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2021-11-12 23:28:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2021-11-12 23:28:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2021-11-12 23:28:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-12 23:28:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-12 23:28:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2021-11-12 23:28:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2021-11-12 23:28:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-12 23:28:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-12 23:28:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-12 23:28:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-12 23:28:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-12 23:28:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-12 23:28:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-12 23:28:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-12 23:28:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-12 23:28:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-12 23:28:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-12 23:28:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-12 23:28:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2021-11-12 23:28:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2021-11-12 23:28:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:28:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:28:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-12 23:28:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-12 23:28:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2021-11-12 23:28:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2021-11-12 23:28:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2021-11-12 23:28:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2021-11-12 23:28:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2021-11-12 23:28:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2021-11-12 23:28:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mtu [2021-11-12 23:28:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mtu [2021-11-12 23:28:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cnic_lock_of_bnx2 [2021-11-12 23:28:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cnic_lock_of_bnx2 [2021-11-12 23:28:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cnic_lock_of_bnx2 [2021-11-12 23:28:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cnic_lock_of_bnx2 [2021-11-12 23:28:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-12 23:28:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-12 23:28:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-12 23:28:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-12 23:28:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2021-11-12 23:28:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2021-11-12 23:28:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2021-11-12 23:28:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2021-11-12 23:28:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:28:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:28:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:28:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:28:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:28:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:28:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2021-11-12 23:28:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2021-11-12 23:28:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2021-11-12 23:28:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2021-11-12 23:28:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2021-11-12 23:28:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2021-11-12 23:28:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2021-11-12 23:28:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2021-11-12 23:28:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2021-11-12 23:28:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2021-11-12 23:28:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2021-11-12 23:28:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2021-11-12 23:28:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-12 23:28:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-12 23:28:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-12 23:28:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-12 23:28:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-12 23:28:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-12 23:28:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2021-11-12 23:28:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2021-11-12 23:28:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-12 23:28:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-12 23:28:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-12 23:28:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-12 23:28:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2021-11-12 23:28:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2021-11-12 23:28:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2021-11-12 23:28:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2021-11-12 23:28:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2021-11-12 23:28:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2021-11-12 23:28:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2021-11-12 23:28:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2021-11-12 23:28:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:28:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:28:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2021-11-12 23:28:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2021-11-12 23:28:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-12 23:28:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-12 23:28:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-12 23:28:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-12 23:28:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-12 23:28:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-12 23:28:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-12 23:28:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-12 23:28:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-12 23:28:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-12 23:28:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2021-11-12 23:28:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2021-11-12 23:28:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-12 23:28:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-12 23:28:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2021-11-12 23:28:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2021-11-12 23:28:49,260 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2021-11-12 23:28:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2021-11-12 23:28:49,260 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-12 23:28:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-12 23:28:49,260 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_features [2021-11-12 23:28:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_features [2021-11-12 23:28:49,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 23:28:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 23:28:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2021-11-12 23:28:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2021-11-12 23:28:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2021-11-12 23:28:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2021-11-12 23:28:52,066 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:36:30,059 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:36:30,059 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-12 23:36:30,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:36:30 BoogieIcfgContainer [2021-11-12 23:36:30,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:36:30,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:36:30,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:36:30,077 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:36:30,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:28:37" (1/3) ... [2021-11-12 23:36:30,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d749514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:36:30, skipping insertion in model container [2021-11-12 23:36:30,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:28:47" (2/3) ... [2021-11-12 23:36:30,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d749514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:36:30, skipping insertion in model container [2021-11-12 23:36:30,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:36:30" (3/3) ... [2021-11-12 23:36:30,080 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-12 23:36:30,096 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:36:30,103 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-12 23:36:30,184 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:36:30,198 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:36:30,199 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-12 23:36:30,332 INFO L276 IsEmpty]: Start isEmpty. Operand has 5707 states, 3912 states have (on average 1.3093047034764826) internal successors, (5122), 4010 states have internal predecessors, (5122), 1528 states have call successors, (1528), 264 states have call predecessors, (1528), 263 states have return successors, (1521), 1500 states have call predecessors, (1521), 1521 states have call successors, (1521) [2021-11-12 23:36:30,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-12 23:36:30,339 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:36:30,340 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] [2021-11-12 23:36:30,341 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:36:30,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:36:30,347 INFO L85 PathProgramCache]: Analyzing trace with hash 2050008118, now seen corresponding path program 1 times [2021-11-12 23:36:30,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:36:30,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1317706324] [2021-11-12 23:36:30,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:36:30,376 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:36:30,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:36:30,381 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:36:30,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:36:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:36:41,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 4950 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:36:41,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:36:43,481 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:36:43,482 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:36:44,747 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:36:44,748 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:36:44,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1317706324] [2021-11-12 23:36:44,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1317706324] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:36:44,749 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:36:44,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2021-11-12 23:36:44,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66594916] [2021-11-12 23:36:44,752 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:36:44,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:36:44,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:36:44,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:36:44,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:36:44,806 INFO L87 Difference]: Start difference. First operand has 5707 states, 3912 states have (on average 1.3093047034764826) internal successors, (5122), 4010 states have internal predecessors, (5122), 1528 states have call successors, (1528), 264 states have call predecessors, (1528), 263 states have return successors, (1521), 1500 states have call predecessors, (1521), 1521 states have call successors, (1521) Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-11-12 23:36:47,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:36:47,502 INFO L93 Difference]: Finished difference Result 16252 states and 23528 transitions. [2021-11-12 23:36:47,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:36:47,505 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 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 48 [2021-11-12 23:36:47,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:36:47,683 INFO L225 Difference]: With dead ends: 16252 [2021-11-12 23:36:47,683 INFO L226 Difference]: Without dead ends: 10555 [2021-11-12 23:36:47,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:36:47,772 INFO L933 BasicCegarLoop]: 10011 mSDtfsCounter, 7986 mSDsluCounter, 27121 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 901.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7990 SdHoareTripleChecker+Valid, 37132 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 163.51ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 915.40ms IncrementalHoareTripleChecker+Time [2021-11-12 23:36:47,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7990 Valid, 37132 Invalid, 16 Unknown, 0 Unchecked, 163.51ms Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 915.40ms Time] [2021-11-12 23:36:47,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10555 states. [2021-11-12 23:36:48,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10555 to 10517. [2021-11-12 23:36:48,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10517 states, 7244 states have (on average 1.3065985643291) internal successors, (9465), 7406 states have internal predecessors, (9465), 2780 states have call successors, (2780), 491 states have call predecessors, (2780), 490 states have return successors, (2807), 2740 states have call predecessors, (2807), 2777 states have call successors, (2807) [2021-11-12 23:36:48,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10517 states to 10517 states and 15052 transitions. [2021-11-12 23:36:48,861 INFO L78 Accepts]: Start accepts. Automaton has 10517 states and 15052 transitions. Word has length 48 [2021-11-12 23:36:48,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:36:48,862 INFO L470 AbstractCegarLoop]: Abstraction has 10517 states and 15052 transitions. [2021-11-12 23:36:48,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-11-12 23:36:48,864 INFO L276 IsEmpty]: Start isEmpty. Operand 10517 states and 15052 transitions. [2021-11-12 23:36:48,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-12 23:36:48,869 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:36:48,870 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] [2021-11-12 23:36:49,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:36:49,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:36:49,095 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:36:49,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:36:49,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1530575313, now seen corresponding path program 1 times [2021-11-12 23:36:49,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:36:49,112 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [928163985] [2021-11-12 23:36:49,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:36:49,113 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:36:49,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:36:49,114 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:36:49,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:36:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:00,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 4957 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:37:00,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:37:02,200 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:37:02,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:37:03,344 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-12 23:37:03,345 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:37:03,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [928163985] [2021-11-12 23:37:03,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [928163985] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:37:03,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:37:03,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2021-11-12 23:37:03,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839805735] [2021-11-12 23:37:03,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:03,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:37:03,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:37:03,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:37:03,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:37:03,349 INFO L87 Difference]: Start difference. First operand 10517 states and 15052 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-11-12 23:37:05,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:05,371 INFO L93 Difference]: Finished difference Result 10523 states and 15057 transitions. [2021-11-12 23:37:05,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:37:05,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 53 [2021-11-12 23:37:05,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:05,466 INFO L225 Difference]: With dead ends: 10523 [2021-11-12 23:37:05,466 INFO L226 Difference]: Without dead ends: 10521 [2021-11-12 23:37:05,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:37:05,475 INFO L933 BasicCegarLoop]: 8094 mSDtfsCounter, 8074 mSDsluCounter, 16177 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 711.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8076 SdHoareTripleChecker+Valid, 24271 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 217.55ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 812.02ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:05,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8076 Valid, 24271 Invalid, 13 Unknown, 0 Unchecked, 217.55ms Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 812.02ms Time] [2021-11-12 23:37:05,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10521 states. [2021-11-12 23:37:06,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10521 to 10521. [2021-11-12 23:37:06,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10521 states, 7247 states have (on average 1.3064716434386643) internal successors, (9468), 7409 states have internal predecessors, (9468), 2780 states have call successors, (2780), 492 states have call predecessors, (2780), 491 states have return successors, (2807), 2740 states have call predecessors, (2807), 2777 states have call successors, (2807) [2021-11-12 23:37:06,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10521 states to 10521 states and 15055 transitions. [2021-11-12 23:37:06,238 INFO L78 Accepts]: Start accepts. Automaton has 10521 states and 15055 transitions. Word has length 53 [2021-11-12 23:37:06,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:06,239 INFO L470 AbstractCegarLoop]: Abstraction has 10521 states and 15055 transitions. [2021-11-12 23:37:06,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-11-12 23:37:06,239 INFO L276 IsEmpty]: Start isEmpty. Operand 10521 states and 15055 transitions. [2021-11-12 23:37:06,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-12 23:37:06,249 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:06,249 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] [2021-11-12 23:37:06,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:37:06,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:37:06,463 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:37:06,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:06,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1542524822, now seen corresponding path program 1 times [2021-11-12 23:37:06,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:37:06,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [823241456] [2021-11-12 23:37:06,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:06,479 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:37:06,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:37:06,480 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:37:06,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:37:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:18,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 4964 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:37:18,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:37:20,336 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-12 23:37:20,336 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:37:21,420 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-12 23:37:21,421 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:37:21,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [823241456] [2021-11-12 23:37:21,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [823241456] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:37:21,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:37:21,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2021-11-12 23:37:21,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895458816] [2021-11-12 23:37:21,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:21,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:37:21,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:37:21,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:37:21,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:37:21,424 INFO L87 Difference]: Start difference. First operand 10521 states and 15055 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-11-12 23:37:23,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:23,116 INFO L93 Difference]: Finished difference Result 10527 states and 15060 transitions. [2021-11-12 23:37:23,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:37:23,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 58 [2021-11-12 23:37:23,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:23,229 INFO L225 Difference]: With dead ends: 10527 [2021-11-12 23:37:23,229 INFO L226 Difference]: Without dead ends: 10523 [2021-11-12 23:37:23,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:37:23,245 INFO L933 BasicCegarLoop]: 8094 mSDtfsCounter, 8074 mSDsluCounter, 16177 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 704.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8075 SdHoareTripleChecker+Valid, 24271 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 53.23ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 788.67ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:23,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8075 Valid, 24271 Invalid, 13 Unknown, 0 Unchecked, 53.23ms Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 788.67ms Time] [2021-11-12 23:37:23,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10523 states. [2021-11-12 23:37:23,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10523 to 10523. [2021-11-12 23:37:24,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10523 states, 7249 states have (on average 1.306249137812112) internal successors, (9469), 7410 states have internal predecessors, (9469), 2780 states have call successors, (2780), 493 states have call predecessors, (2780), 491 states have return successors, (2807), 2740 states have call predecessors, (2807), 2777 states have call successors, (2807) [2021-11-12 23:37:24,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10523 states to 10523 states and 15056 transitions. [2021-11-12 23:37:24,084 INFO L78 Accepts]: Start accepts. Automaton has 10523 states and 15056 transitions. Word has length 58 [2021-11-12 23:37:24,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:24,085 INFO L470 AbstractCegarLoop]: Abstraction has 10523 states and 15056 transitions. [2021-11-12 23:37:24,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-11-12 23:37:24,086 INFO L276 IsEmpty]: Start isEmpty. Operand 10523 states and 15056 transitions. [2021-11-12 23:37:24,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-12 23:37:24,089 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:24,089 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] [2021-11-12 23:37:24,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:37:24,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:37:24,303 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:37:24,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:24,303 INFO L85 PathProgramCache]: Analyzing trace with hash 362489423, now seen corresponding path program 1 times [2021-11-12 23:37:24,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:37:24,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [24138826] [2021-11-12 23:37:24,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:24,317 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:37:24,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:37:24,318 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:37:24,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:37:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:35,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 4971 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-12 23:37:35,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:37:37,979 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:37:37,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:37:39,207 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-12 23:37:39,207 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:37:39,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [24138826] [2021-11-12 23:37:39,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [24138826] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:37:39,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:37:39,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2021-11-12 23:37:39,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779623664] [2021-11-12 23:37:39,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:37:39,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:37:39,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:37:39,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:37:39,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:37:39,209 INFO L87 Difference]: Start difference. First operand 10523 states and 15056 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-11-12 23:37:41,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:37:41,136 INFO L93 Difference]: Finished difference Result 10523 states and 15056 transitions. [2021-11-12 23:37:41,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:37:41,137 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 63 [2021-11-12 23:37:41,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:37:41,200 INFO L225 Difference]: With dead ends: 10523 [2021-11-12 23:37:41,200 INFO L226 Difference]: Without dead ends: 10490 [2021-11-12 23:37:41,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:37:41,209 INFO L933 BasicCegarLoop]: 8092 mSDtfsCounter, 8070 mSDsluCounter, 16176 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 682.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8070 SdHoareTripleChecker+Valid, 24268 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 47.72ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 786.43ms IncrementalHoareTripleChecker+Time [2021-11-12 23:37:41,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8070 Valid, 24268 Invalid, 8 Unknown, 0 Unchecked, 47.72ms Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 786.43ms Time] [2021-11-12 23:37:41,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10490 states. [2021-11-12 23:37:41,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10490 to 10490. [2021-11-12 23:37:41,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10490 states, 7227 states have (on average 1.306766293067663) internal successors, (9444), 7386 states have internal predecessors, (9444), 2773 states have call successors, (2773), 488 states have call predecessors, (2773), 488 states have return successors, (2803), 2736 states have call predecessors, (2803), 2773 states have call successors, (2803) [2021-11-12 23:37:41,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10490 states to 10490 states and 15020 transitions. [2021-11-12 23:37:41,944 INFO L78 Accepts]: Start accepts. Automaton has 10490 states and 15020 transitions. Word has length 63 [2021-11-12 23:37:41,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:37:41,945 INFO L470 AbstractCegarLoop]: Abstraction has 10490 states and 15020 transitions. [2021-11-12 23:37:41,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-11-12 23:37:41,946 INFO L276 IsEmpty]: Start isEmpty. Operand 10490 states and 15020 transitions. [2021-11-12 23:37:41,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-12 23:37:41,949 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:37:41,949 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:37:42,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:37:42,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:37:42,171 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:37:42,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:37:42,171 INFO L85 PathProgramCache]: Analyzing trace with hash -811124876, now seen corresponding path program 1 times [2021-11-12 23:37:42,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:37:42,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [983138219] [2021-11-12 23:37:42,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:37:42,183 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:37:42,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:37:42,185 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:37:42,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:37:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:37:53,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 5143 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-12 23:37:53,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:37:57,871 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-12 23:37:57,871 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:38:02,593 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-11-12 23:38:02,593 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:38:02,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [983138219] [2021-11-12 23:38:02,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [983138219] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:38:02,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2009473219] [2021-11-12 23:38:02,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:38:02,594 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:38:02,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:38:02,599 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:38:02,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-11-12 23:38:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:38:39,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 5143 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-12 23:38:40,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:38:44,950 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-12 23:38:44,950 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:38:47,800 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-12 23:38:47,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2009473219] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:38:47,801 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:38:47,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [15, 15] total 23 [2021-11-12 23:38:47,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854842347] [2021-11-12 23:38:47,801 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:38:47,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-12 23:38:47,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:38:47,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-12 23:38:47,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2021-11-12 23:38:47,804 INFO L87 Difference]: Start difference. First operand 10490 states and 15020 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (34), 4 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:38:50,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:38:50,396 INFO L93 Difference]: Finished difference Result 10528 states and 15066 transitions. [2021-11-12 23:38:50,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:38:50,397 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (34), 4 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 123 [2021-11-12 23:38:50,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:38:50,484 INFO L225 Difference]: With dead ends: 10528 [2021-11-12 23:38:50,484 INFO L226 Difference]: Without dead ends: 10526 [2021-11-12 23:38:50,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 467 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2021-11-12 23:38:50,496 INFO L933 BasicCegarLoop]: 9963 mSDtfsCounter, 7884 mSDsluCounter, 46947 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 897.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7885 SdHoareTripleChecker+Valid, 56910 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 119.23ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 907.42ms IncrementalHoareTripleChecker+Time [2021-11-12 23:38:50,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7885 Valid, 56910 Invalid, 20 Unknown, 0 Unchecked, 119.23ms Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 907.42ms Time] [2021-11-12 23:38:50,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10526 states. [2021-11-12 23:38:51,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10526 to 10503. [2021-11-12 23:38:51,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10503 states, 7233 states have (on average 1.306511820821236) internal successors, (9450), 7395 states have internal predecessors, (9450), 2779 states have call successors, (2779), 492 states have call predecessors, (2779), 489 states have return successors, (2809), 2736 states have call predecessors, (2809), 2779 states have call successors, (2809) [2021-11-12 23:38:51,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10503 states to 10503 states and 15038 transitions. [2021-11-12 23:38:51,444 INFO L78 Accepts]: Start accepts. Automaton has 10503 states and 15038 transitions. Word has length 123 [2021-11-12 23:38:51,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:38:51,445 INFO L470 AbstractCegarLoop]: Abstraction has 10503 states and 15038 transitions. [2021-11-12 23:38:51,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (34), 4 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-12 23:38:51,446 INFO L276 IsEmpty]: Start isEmpty. Operand 10503 states and 15038 transitions. [2021-11-12 23:38:51,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-12 23:38:51,458 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:38:51,458 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:38:51,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:38:51,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2021-11-12 23:38:51,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:38:51,881 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:38:51,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:38:51,881 INFO L85 PathProgramCache]: Analyzing trace with hash 2107746083, now seen corresponding path program 1 times [2021-11-12 23:38:51,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:38:51,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1497298696] [2021-11-12 23:38:51,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:38:51,895 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:38:51,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:38:51,897 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:38:51,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-12 23:39:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:05,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 5170 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-12 23:39:05,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:11,300 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-12 23:39:11,301 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:16,257 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-11-12 23:39:16,257 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:39:16,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1497298696] [2021-11-12 23:39:16,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1497298696] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:39:16,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [229598809] [2021-11-12 23:39:16,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:16,258 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:39:16,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:39:16,259 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:39:16,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2021-11-12 23:39:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:20,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 5170 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-12 23:39:20,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:22,580 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-12 23:39:22,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:24,735 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-12 23:39:24,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [229598809] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:39:24,735 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:39:24,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [15, 15] total 24 [2021-11-12 23:39:24,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77108614] [2021-11-12 23:39:24,736 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:39:24,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:39:24,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:39:24,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:39:24,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2021-11-12 23:39:24,738 INFO L87 Difference]: Start difference. First operand 10503 states and 15038 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (22), 5 states have call predecessors, (22), 3 states have return successors, (18), 3 states have call predecessors, (18), 1 states have call successors, (18) [2021-11-12 23:39:27,304 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:39:29,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:39:29,179 INFO L93 Difference]: Finished difference Result 10526 states and 15064 transitions. [2021-11-12 23:39:29,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:39:29,180 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (22), 5 states have call predecessors, (22), 3 states have return successors, (18), 3 states have call predecessors, (18), 1 states have call successors, (18) Word has length 134 [2021-11-12 23:39:29,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:39:29,234 INFO L225 Difference]: With dead ends: 10526 [2021-11-12 23:39:29,235 INFO L226 Difference]: Without dead ends: 10524 [2021-11-12 23:39:29,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 534 GetRequests, 510 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2021-11-12 23:39:29,241 INFO L933 BasicCegarLoop]: 14427 mSDtfsCounter, 7098 mSDsluCounter, 59200 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2834.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7099 SdHoareTripleChecker+Valid, 73627 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 106.69ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2921.67ms IncrementalHoareTripleChecker+Time [2021-11-12 23:39:29,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7099 Valid, 73627 Invalid, 19 Unknown, 0 Unchecked, 106.69ms Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 2921.67ms Time] [2021-11-12 23:39:29,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10524 states. [2021-11-12 23:39:29,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10524 to 10522. [2021-11-12 23:39:29,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10522 states, 7247 states have (on average 1.305919690906582) internal successors, (9464), 7406 states have internal predecessors, (9464), 2782 states have call successors, (2782), 494 states have call predecessors, (2782), 491 states have return successors, (2814), 2742 states have call predecessors, (2814), 2782 states have call successors, (2814) [2021-11-12 23:39:29,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10522 states to 10522 states and 15060 transitions. [2021-11-12 23:39:29,943 INFO L78 Accepts]: Start accepts. Automaton has 10522 states and 15060 transitions. Word has length 134 [2021-11-12 23:39:29,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:39:29,945 INFO L470 AbstractCegarLoop]: Abstraction has 10522 states and 15060 transitions. [2021-11-12 23:39:29,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (22), 5 states have call predecessors, (22), 3 states have return successors, (18), 3 states have call predecessors, (18), 1 states have call successors, (18) [2021-11-12 23:39:29,945 INFO L276 IsEmpty]: Start isEmpty. Operand 10522 states and 15060 transitions. [2021-11-12 23:39:29,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-12 23:39:29,961 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:39:29,961 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:39:30,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2021-11-12 23:39:30,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-12 23:39:30,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:39:30,386 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:39:30,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:39:30,386 INFO L85 PathProgramCache]: Analyzing trace with hash -324762389, now seen corresponding path program 1 times [2021-11-12 23:39:30,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:39:30,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1060698228] [2021-11-12 23:39:30,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:30,398 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:39:30,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:39:30,399 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:39:30,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-12 23:39:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:42,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 5487 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-12 23:39:42,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:39:49,711 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-12 23:39:49,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:39:55,442 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 7 proven. 27 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-11-12 23:39:55,442 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:39:55,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1060698228] [2021-11-12 23:39:55,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1060698228] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:39:55,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1561290223] [2021-11-12 23:39:55,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:39:55,443 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:39:55,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:39:55,448 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:39:55,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2021-11-12 23:39:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:39:59,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 5487 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 23:39:59,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:00,983 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-11-12 23:40:00,983 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:01,664 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-12 23:40:01,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1561290223] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:40:01,665 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:40:01,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [15, 15] total 20 [2021-11-12 23:40:01,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045792957] [2021-11-12 23:40:01,665 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:40:01,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:40:01,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:40:01,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:40:01,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2021-11-12 23:40:01,667 INFO L87 Difference]: Start difference. First operand 10522 states and 15060 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-12 23:40:02,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:40:02,719 INFO L93 Difference]: Finished difference Result 21033 states and 30217 transitions. [2021-11-12 23:40:02,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:40:02,721 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 207 [2021-11-12 23:40:02,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:40:02,792 INFO L225 Difference]: With dead ends: 21033 [2021-11-12 23:40:02,793 INFO L226 Difference]: Without dead ends: 10530 [2021-11-12 23:40:02,874 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 825 GetRequests, 806 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2021-11-12 23:40:02,875 INFO L933 BasicCegarLoop]: 8062 mSDtfsCounter, 2 mSDsluCounter, 16119 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 190.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 24181 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 31.16ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 196.30ms IncrementalHoareTripleChecker+Time [2021-11-12 23:40:02,875 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 24181 Invalid, 14 Unknown, 0 Unchecked, 31.16ms Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 196.30ms Time] [2021-11-12 23:40:02,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10530 states. [2021-11-12 23:40:03,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10530 to 10528. [2021-11-12 23:40:03,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10528 states, 7253 states have (on average 1.3056666207086722) internal successors, (9470), 7412 states have internal predecessors, (9470), 2782 states have call successors, (2782), 494 states have call predecessors, (2782), 491 states have return successors, (2814), 2742 states have call predecessors, (2814), 2782 states have call successors, (2814) [2021-11-12 23:40:03,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10528 states to 10528 states and 15066 transitions. [2021-11-12 23:40:03,639 INFO L78 Accepts]: Start accepts. Automaton has 10528 states and 15066 transitions. Word has length 207 [2021-11-12 23:40:03,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:40:03,640 INFO L470 AbstractCegarLoop]: Abstraction has 10528 states and 15066 transitions. [2021-11-12 23:40:03,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-12 23:40:03,641 INFO L276 IsEmpty]: Start isEmpty. Operand 10528 states and 15066 transitions. [2021-11-12 23:40:03,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-12 23:40:03,655 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:03,656 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:40:03,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:04,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:04,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:40:04,075 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:40:04,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:04,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1763040879, now seen corresponding path program 1 times [2021-11-12 23:40:04,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:40:04,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [648460519] [2021-11-12 23:40:04,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:04,082 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:40:04,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:40:04,084 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:40:04,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-12 23:40:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:15,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 5491 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-12 23:40:15,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:23,018 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-12 23:40:23,018 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:28,358 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 7 proven. 27 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-11-12 23:40:28,358 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:40:28,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [648460519] [2021-11-12 23:40:28,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [648460519] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:40:28,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [650038308] [2021-11-12 23:40:28,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:28,359 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:40:28,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:40:28,363 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:40:28,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-11-12 23:40:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:32,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 5491 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:40:32,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:33,194 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-12 23:40:33,194 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:40:34,194 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-11-12 23:40:34,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [650038308] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:40:34,194 INFO L186 FreeRefinementEngine]: Found 2 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:40:34,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [15, 15] total 20 [2021-11-12 23:40:34,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057776983] [2021-11-12 23:40:34,195 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:40:34,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:40:34,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:40:34,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:40:34,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2021-11-12 23:40:34,196 INFO L87 Difference]: Start difference. First operand 10528 states and 15066 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2021-11-12 23:40:36,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:40:36,545 INFO L93 Difference]: Finished difference Result 21055 states and 30251 transitions. [2021-11-12 23:40:36,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:40:36,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 207 [2021-11-12 23:40:36,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:40:36,614 INFO L225 Difference]: With dead ends: 21055 [2021-11-12 23:40:36,615 INFO L226 Difference]: Without dead ends: 10546 [2021-11-12 23:40:36,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 824 GetRequests, 806 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2021-11-12 23:40:36,670 INFO L933 BasicCegarLoop]: 8059 mSDtfsCounter, 9 mSDsluCounter, 16114 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1756.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 24173 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.27ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1808.27ms IncrementalHoareTripleChecker+Time [2021-11-12 23:40:36,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 24173 Invalid, 22 Unknown, 0 Unchecked, 24.27ms Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 1808.27ms Time] [2021-11-12 23:40:36,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10546 states. [2021-11-12 23:40:37,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10546 to 10540. [2021-11-12 23:40:37,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10540 states, 7265 states have (on average 1.305712319339298) internal successors, (9486), 7424 states have internal predecessors, (9486), 2782 states have call successors, (2782), 494 states have call predecessors, (2782), 491 states have return successors, (2814), 2742 states have call predecessors, (2814), 2782 states have call successors, (2814) [2021-11-12 23:40:37,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10540 states to 10540 states and 15082 transitions. [2021-11-12 23:40:37,284 INFO L78 Accepts]: Start accepts. Automaton has 10540 states and 15082 transitions. Word has length 207 [2021-11-12 23:40:37,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:40:37,285 INFO L470 AbstractCegarLoop]: Abstraction has 10540 states and 15082 transitions. [2021-11-12 23:40:37,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2021-11-12 23:40:37,286 INFO L276 IsEmpty]: Start isEmpty. Operand 10540 states and 15082 transitions. [2021-11-12 23:40:37,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-12 23:40:37,315 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:40:37,315 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:40:37,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:37,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-12 23:40:37,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:40:37,731 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-12 23:40:37,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:40:37,731 INFO L85 PathProgramCache]: Analyzing trace with hash -660679828, now seen corresponding path program 1 times [2021-11-12 23:40:37,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:40:37,740 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [754185694] [2021-11-12 23:40:37,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:40:37,741 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:40:37,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:40:37,742 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:40:37,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-12 23:40:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:40:49,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 5507 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-12 23:40:49,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:40:56,470 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-12 23:40:56,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:01,799 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 7 proven. 27 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-11-12 23:41:01,800 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:41:01,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [754185694] [2021-11-12 23:41:01,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [754185694] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:41:01,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [606849633] [2021-11-12 23:41:01,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:01,801 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:41:01,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:41:01,808 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:41:01,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2021-11-12 23:41:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:20,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 5507 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 23:41:20,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:22,042 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-11-12 23:41:22,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:24,037 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-11-12 23:41:24,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [606849633] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:41:24,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290041178] [2021-11-12 23:41:24,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:41:24,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:41:24,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:41:24,039 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:41:24,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f298200f-b11d-4ca9-9407-3fb0c766015b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-12 23:41:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:41:34,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 5507 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-12 23:41:34,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:41:38,495 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-11-12 23:41:38,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:41:42,470 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 7 proven. 27 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-11-12 23:41:42,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290041178] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:41:42,470 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-12 23:41:42,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 4, 4, 15, 15] total 22 [2021-11-12 23:41:42,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106026500] [2021-11-12 23:41:42,471 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-12 23:41:42,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-12 23:41:42,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:41:42,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-12 23:41:42,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=413, Unknown=0, NotChecked=0, Total=462 [2021-11-12 23:41:42,474 INFO L87 Difference]: Start difference. First operand 10540 states and 15082 transitions. Second operand has 22 states, 21 states have (on average 10.0) internal successors, (210), 20 states have internal predecessors, (210), 6 states have call successors, (75), 2 states have call predecessors, (75), 5 states have return successors, (62), 7 states have call predecessors, (62), 6 states have call successors, (62)