./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.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_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/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_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/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_005bc92b-bfef-48f9-8238-0579947b448d/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 39973bb7b50b53c067a6906d32b40b2185ea2f6a6ba2da336135f31e07490738 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:38:29,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:38:29,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:38:29,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:38:29,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:38:29,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:38:29,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:38:29,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:38:29,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:38:29,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:38:29,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:38:29,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:38:29,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:38:29,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:38:29,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:38:29,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:38:29,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:38:29,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:38:29,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:38:29,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:38:29,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:38:29,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:38:29,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:38:29,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:38:29,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:38:29,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:38:29,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:38:29,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:38:29,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:38:29,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:38:29,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:38:29,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:38:29,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:38:29,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:38:29,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:38:29,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:38:29,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:38:29,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:38:29,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:38:29,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:38:29,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:38:29,217 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-13 01:38:29,260 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:38:29,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:38:29,261 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:38:29,262 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:38:29,262 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:38:29,262 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:38:29,262 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:38:29,263 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 01:38:29,269 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:38:29,269 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:38:29,270 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 01:38:29,271 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 01:38:29,271 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:38:29,271 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 01:38:29,271 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 01:38:29,272 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 01:38:29,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:38:29,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:38:29,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:38:29,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:38:29,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:38:29,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:38:29,274 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:38:29,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:38:29,274 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:38:29,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:38:29,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:38:29,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:38:29,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:38:29,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:38:29,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:38:29,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:38:29,276 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 01:38:29,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 01:38:29,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:38:29,277 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:38:29,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:38:29,277 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_005bc92b-bfef-48f9-8238-0579947b448d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39973bb7b50b53c067a6906d32b40b2185ea2f6a6ba2da336135f31e07490738 [2021-11-13 01:38:29,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:38:29,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:38:29,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:38:29,641 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:38:29,642 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:38:29,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-13 01:38:29,706 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/data/85b7d9862/8fd0fd5fad3e46518a948885c7767ce3/FLAG31f405d69 [2021-11-13 01:38:30,770 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:38:30,771 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-13 01:38:30,856 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/data/85b7d9862/8fd0fd5fad3e46518a948885c7767ce3/FLAG31f405d69 [2021-11-13 01:38:31,075 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/data/85b7d9862/8fd0fd5fad3e46518a948885c7767ce3 [2021-11-13 01:38:31,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:38:31,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:38:31,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:38:31,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:38:31,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:38:31,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:38:31" (1/1) ... [2021-11-13 01:38:31,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182ee6fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:31, skipping insertion in model container [2021-11-13 01:38:31,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:38:31" (1/1) ... [2021-11-13 01:38:31,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:38:31,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:38:33,752 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:38:33,760 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:38:33,768 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:38:33,776 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:38:33,943 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:38:34,249 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:38:34,250 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-13 01:38:36,616 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_005bc92b-bfef-48f9-8238-0579947b448d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541045,541058] [2021-11-13 01:38:36,619 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_005bc92b-bfef-48f9-8238-0579947b448d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541214,541227] [2021-11-13 01:38:36,620 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_005bc92b-bfef-48f9-8238-0579947b448d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541381,541394] [2021-11-13 01:38:36,625 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_005bc92b-bfef-48f9-8238-0579947b448d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541549,541562] [2021-11-13 01:38:36,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:38:36,771 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) [2021-11-13 01:38:36,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6149fcf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:36, skipping insertion in model container [2021-11-13 01:38:36,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:38:36,772 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 01:38:36,775 INFO L158 Benchmark]: Toolchain (without parser) took 5692.55ms. Allocated memory was 94.4MB in the beginning and 176.2MB in the end (delta: 81.8MB). Free memory was 53.2MB in the beginning and 113.5MB in the end (delta: -60.3MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2021-11-13 01:38:36,777 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory was 70.0MB in the beginning and 70.0MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:38:36,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5688.47ms. Allocated memory was 94.4MB in the beginning and 176.2MB in the end (delta: 81.8MB). Free memory was 53.0MB in the beginning and 113.5MB in the end (delta: -60.6MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2021-11-13 01:38:36,781 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory was 70.0MB in the beginning and 70.0MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5688.47ms. Allocated memory was 94.4MB in the beginning and 176.2MB in the end (delta: 81.8MB). Free memory was 53.0MB in the beginning and 113.5MB in the end (delta: -60.6MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 6331]: 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_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/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_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/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_005bc92b-bfef-48f9-8238-0579947b448d/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 39973bb7b50b53c067a6906d32b40b2185ea2f6a6ba2da336135f31e07490738 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:38:39,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:38:39,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:38:39,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:38:39,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:38:39,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:38:39,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:38:39,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:38:39,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:38:39,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:38:39,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:38:39,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:38:39,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:38:39,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:38:39,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:38:39,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:38:39,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:38:39,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:38:39,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:38:39,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:38:39,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:38:39,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:38:39,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:38:39,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:38:39,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:38:39,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:38:39,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:38:39,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:38:39,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:38:39,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:38:39,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:38:39,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:38:39,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:38:39,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:38:39,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:38:39,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:38:39,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:38:39,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:38:39,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:38:39,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:38:39,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:38:39,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-13 01:38:39,447 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:38:39,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:38:39,448 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:38:39,448 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:38:39,448 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:38:39,448 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:38:39,448 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:38:39,449 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:38:39,449 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:38:39,449 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:38:39,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:38:39,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:38:39,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:38:39,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:38:39,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:38:39,450 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:38:39,451 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 01:38:39,451 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 01:38:39,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:38:39,451 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:38:39,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:38:39,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:38:39,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 01:38:39,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:38:39,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:38:39,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:38:39,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:38:39,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:38:39,453 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 01:38:39,453 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 01:38:39,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:38:39,453 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:38:39,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:38:39,454 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_005bc92b-bfef-48f9-8238-0579947b448d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39973bb7b50b53c067a6906d32b40b2185ea2f6a6ba2da336135f31e07490738 [2021-11-13 01:38:39,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:38:39,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:38:39,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:38:39,861 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:38:39,862 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:38:39,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-13 01:38:39,942 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/data/3226a08d1/25489527f2f54e1c883d552ab27d2ce4/FLAG308e6e00a [2021-11-13 01:38:41,048 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:38:41,048 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-13 01:38:41,161 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/data/3226a08d1/25489527f2f54e1c883d552ab27d2ce4/FLAG308e6e00a [2021-11-13 01:38:41,318 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/data/3226a08d1/25489527f2f54e1c883d552ab27d2ce4 [2021-11-13 01:38:41,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:38:41,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:38:41,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:38:41,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:38:41,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:38:41,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:38:41" (1/1) ... [2021-11-13 01:38:41,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ae364dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:41, skipping insertion in model container [2021-11-13 01:38:41,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:38:41" (1/1) ... [2021-11-13 01:38:41,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:38:41,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:38:46,941 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_005bc92b-bfef-48f9-8238-0579947b448d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541045,541058] [2021-11-13 01:38:46,945 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_005bc92b-bfef-48f9-8238-0579947b448d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541214,541227] [2021-11-13 01:38:46,945 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_005bc92b-bfef-48f9-8238-0579947b448d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541381,541394] [2021-11-13 01:38:46,946 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_005bc92b-bfef-48f9-8238-0579947b448d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541549,541562] [2021-11-13 01:38:46,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:38:47,087 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-13 01:38:47,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:38:47,596 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_005bc92b-bfef-48f9-8238-0579947b448d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541045,541058] [2021-11-13 01:38:47,596 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_005bc92b-bfef-48f9-8238-0579947b448d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541214,541227] [2021-11-13 01:38:47,597 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_005bc92b-bfef-48f9-8238-0579947b448d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541381,541394] [2021-11-13 01:38:47,598 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_005bc92b-bfef-48f9-8238-0579947b448d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541549,541562] [2021-11-13 01:38:47,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:38:47,673 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 01:38:48,440 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_005bc92b-bfef-48f9-8238-0579947b448d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541045,541058] [2021-11-13 01:38:48,440 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_005bc92b-bfef-48f9-8238-0579947b448d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541214,541227] [2021-11-13 01:38:48,441 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_005bc92b-bfef-48f9-8238-0579947b448d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541381,541394] [2021-11-13 01:38:48,441 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_005bc92b-bfef-48f9-8238-0579947b448d/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541549,541562] [2021-11-13 01:38:48,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:38:49,015 INFO L208 MainTranslator]: Completed translation [2021-11-13 01:38:49,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:49 WrapperNode [2021-11-13 01:38:49,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:38:49,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 01:38:49,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 01:38:49,017 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 01:38:49,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:49" (1/1) ... [2021-11-13 01:38:49,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:49" (1/1) ... [2021-11-13 01:38:49,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 01:38:49,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 01:38:49,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 01:38:49,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 01:38:49,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:49" (1/1) ... [2021-11-13 01:38:49,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:49" (1/1) ... [2021-11-13 01:38:49,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:49" (1/1) ... [2021-11-13 01:38:49,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:49" (1/1) ... [2021-11-13 01:38:49,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:49" (1/1) ... [2021-11-13 01:38:50,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:49" (1/1) ... [2021-11-13 01:38:50,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:49" (1/1) ... [2021-11-13 01:38:50,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 01:38:50,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 01:38:50,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 01:38:50,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 01:38:50,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:49" (1/1) ... [2021-11-13 01:38:50,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:38:50,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:38:50,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 01:38:50,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 01:38:50,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 01:38:50,267 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 01:38:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-13 01:38:50,267 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-13 01:38:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_sset_count [2021-11-13 01:38:50,267 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_sset_count [2021-11-13 01:38:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_write [2021-11-13 01:38:50,268 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_write [2021-11-13 01:38:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-13 01:38:50,268 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-13 01:38:50,269 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_select_mii [2021-11-13 01:38:50,269 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_select_mii [2021-11-13 01:38:50,269 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_edmac [2021-11-13 01:38:50,269 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_edmac [2021-11-13 01:38:50,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 01:38:50,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 01:38:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write [2021-11-13 01:38:50,270 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write [2021-11-13 01:38:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2021-11-13 01:38:50,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2021-11-13 01:38:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_table [2021-11-13 01:38:50,271 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_table [2021-11-13 01:38:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-13 01:38:50,271 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-13 01:38:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-13 01:38:50,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-13 01:38:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_giga [2021-11-13 01:38:50,272 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_giga [2021-11-13 01:38:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-13 01:38:50,272 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-13 01:38:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-13 01:38:50,273 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-13 01:38:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-13 01:38:50,273 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-13 01:38:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2021-11-13 01:38:50,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2021-11-13 01:38:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure bb_clr [2021-11-13 01:38:50,274 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_clr [2021-11-13 01:38:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-13 01:38:50,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-13 01:38:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_free_dma_buffer [2021-11-13 01:38:50,275 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_free_dma_buffer [2021-11-13 01:38:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_busy [2021-11-13 01:38:50,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_busy [2021-11-13 01:38:50,277 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_r8a777x [2021-11-13 01:38:50,277 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_r8a777x [2021-11-13 01:38:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2021-11-13 01:38:50,278 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2021-11-13 01:38:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-13 01:38:50,278 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-13 01:38:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-13 01:38:50,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-13 01:38:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-13 01:38:50,280 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-13 01:38:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-13 01:38:50,280 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-13 01:38:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-13 01:38:50,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-13 01:38:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tx_timeout [2021-11-13 01:38:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tx_timeout [2021-11-13 01:38:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-11-13 01:38:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-11-13 01:38:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 01:38:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-13 01:38:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_free [2021-11-13 01:38:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_free [2021-11-13 01:38:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 01:38:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 01:38:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-13 01:38:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-11-13 01:38:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-11-13 01:38:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-13 01:38:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-13 01:38:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-13 01:38:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-13 01:38:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset [2021-11-13 01:38:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset [2021-11-13 01:38:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 01:38:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 01:38:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-13 01:38:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-13 01:38:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_ringparam [2021-11-13 01:38:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_ringparam [2021-11-13 01:38:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_start_xmit [2021-11-13 01:38:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_start_xmit [2021-11-13 01:38:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-13 01:38:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-13 01:38:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_nway_reset [2021-11-13 01:38:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_nway_reset [2021-11-13 01:38:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-13 01:38:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-13 01:38:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_close [2021-11-13 01:38:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_close [2021-11-13 01:38:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_soft_swap [2021-11-13 01:38:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_soft_swap [2021-11-13 01:38:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 01:38:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 01:38:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-13 01:38:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-13 01:38:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure sh_get_mdio [2021-11-13 01:38:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_get_mdio [2021-11-13 01:38:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_find_entry [2021-11-13 01:38:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_find_entry [2021-11-13 01:38:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_add_vid [2021-11-13 01:38:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_add_vid [2021-11-13 01:38:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_init [2021-11-13 01:38:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_init [2021-11-13 01:38:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-13 01:38:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-13 01:38:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-13 01:38:50,299 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-13 01:38:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 01:38:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-13 01:38:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-13 01:38:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-13 01:38:50,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-13 01:38:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-13 01:38:50,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-13 01:38:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-13 01:38:50,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-13 01:38:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-13 01:38:50,308 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-13 01:38:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_ringparam [2021-11-13 01:38:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_ringparam [2021-11-13 01:38:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-13 01:38:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-13 01:38:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 01:38:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 01:38:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 01:38:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-13 01:38:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-13 01:38:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-13 01:38:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 01:38:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 01:38:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-13 01:38:50,311 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_enable [2021-11-13 01:38:50,311 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_enable [2021-11-13 01:38:50,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sh_eth_driver_exit_18_2 [2021-11-13 01:38:50,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sh_eth_driver_exit_18_2 [2021-11-13 01:38:50,311 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_offset [2021-11-13 01:38:50,311 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_offset [2021-11-13 01:38:50,311 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-11-13 01:38:50,312 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-11-13 01:38:50,312 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-13 01:38:50,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-13 01:38:50,312 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-13 01:38:50,312 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-13 01:38:50,312 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 01:38:50,313 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 01:38:50,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-13 01:38:50,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-13 01:38:50,313 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-13 01:38:50,313 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-13 01:38:50,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-13 01:38:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_bit [2021-11-13 01:38:50,314 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_bit [2021-11-13 01:38:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 01:38:50,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 01:38:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure free_mdio_bitbang [2021-11-13 01:38:50,315 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mdio_bitbang [2021-11-13 01:38:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-13 01:38:50,315 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-13 01:38:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-13 01:38:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_do_ioctl [2021-11-13 01:38:50,316 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_do_ioctl [2021-11-13 01:38:50,316 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_post [2021-11-13 01:38:50,316 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_post [2021-11-13 01:38:50,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-13 01:38:50,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 01:38:50,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 01:38:50,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-13 01:38:50,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 01:38:50,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 01:38:50,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 01:38:50,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-13 01:38:50,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-13 01:38:50,318 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_drv_probe [2021-11-13 01:38:50,318 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_drv_probe [2021-11-13 01:38:50,318 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_read [2021-11-13 01:38:50,318 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_read [2021-11-13 01:38:50,318 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-13 01:38:50,318 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_vtag_index [2021-11-13 01:38:50,319 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_vtag_index [2021-11-13 01:38:50,319 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_edtrr_trns [2021-11-13 01:38:50,319 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_edtrr_trns [2021-11-13 01:38:50,319 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_resource [2021-11-13 01:38:50,319 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_resource [2021-11-13 01:38:50,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 01:38:50,320 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 01:38:50,320 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2021-11-13 01:38:50,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2021-11-13 01:38:50,320 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_duplex [2021-11-13 01:38:50,320 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_duplex [2021-11-13 01:38:50,320 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-13 01:38:50,320 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-13 01:38:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_reg_offset [2021-11-13 01:38:50,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_reg_offset [2021-11-13 01:38:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_r8a7740 [2021-11-13 01:38:50,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_r8a7740 [2021-11-13 01:38:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-13 01:38:50,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-13 01:38:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_giga [2021-11-13 01:38:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_giga [2021-11-13 01:38:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-13 01:38:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-13 01:38:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 01:38:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-13 01:38:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-13 01:38:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 01:38:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-13 01:38:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 01:38:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-13 01:38:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_runtime_nop [2021-11-13 01:38:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_runtime_nop [2021-11-13 01:38:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_resume [2021-11-13 01:38:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_resume [2021-11-13 01:38:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 01:38:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 01:38:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_open [2021-11-13 01:38:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_open [2021-11-13 01:38:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-13 01:38:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-13 01:38:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_multicast_list [2021-11-13 01:38:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_multicast_list [2021-11-13 01:38:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-13 01:38:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-13 01:38:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_msglevel [2021-11-13 01:38:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_msglevel [2021-11-13 01:38:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-13 01:38:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-13 01:38:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync [2021-11-13 01:38:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync [2021-11-13 01:38:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read_entry [2021-11-13 01:38:50,332 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read_entry [2021-11-13 01:38:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_txfree [2021-11-13 01:38:50,332 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_txfree [2021-11-13 01:38:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_settings [2021-11-13 01:38:50,332 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_settings [2021-11-13 01:38:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-13 01:38:50,333 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-13 01:38:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_disable [2021-11-13 01:38:50,334 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_disable [2021-11-13 01:38:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-13 01:38:50,336 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-13 01:38:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-13 01:38:50,337 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-13 01:38:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_msglevel [2021-11-13 01:38:50,337 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_msglevel [2021-11-13 01:38:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-13 01:38:50,337 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-13 01:38:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_drv_remove [2021-11-13 01:38:50,337 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_drv_remove [2021-11-13 01:38:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-13 01:38:50,338 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-13 01:38:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read [2021-11-13 01:38:50,338 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read [2021-11-13 01:38:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_rz_fast_ether [2021-11-13 01:38:50,338 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_rz_fast_ether [2021-11-13 01:38:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure bb_set [2021-11-13 01:38:50,339 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_set [2021-11-13 01:38:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_settings [2021-11-13 01:38:50,339 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_settings [2021-11-13 01:38:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-13 01:38:50,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-13 01:38:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-13 01:38:50,340 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-13 01:38:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_strings [2021-11-13 01:38:50,340 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_strings [2021-11-13 01:38:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_ethtool_stats [2021-11-13 01:38:50,340 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_ethtool_stats [2021-11-13 01:38:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 01:38:50,340 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 01:38:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_dev_init [2021-11-13 01:38:50,341 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_dev_init [2021-11-13 01:38:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_sh_eth_private [2021-11-13 01:38:50,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_sh_eth_private [2021-11-13 01:38:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_stats [2021-11-13 01:38:50,341 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_stats [2021-11-13 01:38:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_kill_vid [2021-11-13 01:38:50,342 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_kill_vid [2021-11-13 01:38:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7724 [2021-11-13 01:38:50,342 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7724 [2021-11-13 01:38:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-13 01:38:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-13 01:38:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-13 01:38:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-13 01:38:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_adjust_link [2021-11-13 01:38:50,343 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_adjust_link [2021-11-13 01:38:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 01:38:50,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 01:38:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_purge_mcast [2021-11-13 01:38:50,343 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_purge_mcast [2021-11-13 01:38:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-13 01:38:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-13 01:38:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-11-13 01:38:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-11-13 01:38:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_sh_eth_private [2021-11-13 01:38:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_sh_eth_private [2021-11-13 01:38:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-13 01:38:50,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-13 01:38:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_gether [2021-11-13 01:38:50,345 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_gether [2021-11-13 01:38:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-13 01:38:50,345 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-13 01:38:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7757 [2021-11-13 01:38:50,345 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7757 [2021-11-13 01:38:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_receive_align [2021-11-13 01:38:50,346 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_receive_align [2021-11-13 01:38:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-13 01:38:50,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-13 01:38:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-13 01:38:50,346 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-13 01:38:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-13 01:38:50,347 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-13 01:38:50,347 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write_entry [2021-11-13 01:38:50,347 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write_entry [2021-11-13 01:38:50,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-13 01:38:50,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-13 01:38:50,347 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-13 01:38:50,347 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-13 01:38:57,897 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 01:41:40,871 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-13 01:41:40,991 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 01:41:40,992 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-13 01:41:40,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:41:40 BoogieIcfgContainer [2021-11-13 01:41:40,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 01:41:40,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 01:41:40,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 01:41:41,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 01:41:41,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:38:41" (1/3) ... [2021-11-13 01:41:41,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f89d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:41:41, skipping insertion in model container [2021-11-13 01:41:41,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:49" (2/3) ... [2021-11-13 01:41:41,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f89d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:41:41, skipping insertion in model container [2021-11-13 01:41:41,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:41:40" (3/3) ... [2021-11-13 01:41:41,005 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-13 01:41:41,010 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 01:41:41,011 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-13 01:41:41,078 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 01:41:41,085 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 [2021-11-13 01:41:41,085 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-13 01:41:41,172 INFO L276 IsEmpty]: Start isEmpty. Operand has 3378 states, 2350 states have (on average 1.2838297872340425) internal successors, (3017), 2416 states have internal predecessors, (3017), 888 states have call successors, (888), 144 states have call predecessors, (888), 143 states have return successors, (877), 851 states have call predecessors, (877), 877 states have call successors, (877) [2021-11-13 01:41:41,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2021-11-13 01:41:41,210 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:41,212 INFO L514 BasicCegarLoop]: trace histogram [53, 53, 52, 52, 52, 52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:41:41,212 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-13 01:41:41,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:41,218 INFO L85 PathProgramCache]: Analyzing trace with hash -519682920, now seen corresponding path program 1 times [2021-11-13 01:41:41,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:41:41,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [710196462] [2021-11-13 01:41:41,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:41,252 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:41:41,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:41:41,256 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:41:41,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 01:41:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:41:52,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 5555 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 01:41:52,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:41:53,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 11934 trivial. 0 not checked. [2021-11-13 01:41:53,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:41:54,797 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2021-11-13 01:41:54,798 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:41:54,798 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [710196462] [2021-11-13 01:41:54,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [710196462] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:41:54,800 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:41:54,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 01:41:54,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203288382] [2021-11-13 01:41:54,803 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:41:54,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 01:41:54,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:41:54,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 01:41:54,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:41:54,869 INFO L87 Difference]: Start difference. First operand has 3378 states, 2350 states have (on average 1.2838297872340425) internal successors, (3017), 2416 states have internal predecessors, (3017), 888 states have call successors, (888), 144 states have call predecessors, (888), 143 states have return successors, (877), 851 states have call predecessors, (877), 877 states have call successors, (877) Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 4 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) [2021-11-13 01:41:57,457 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 [] [2021-11-13 01:42:06,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:06,173 INFO L93 Difference]: Finished difference Result 12895 states and 18671 transitions. [2021-11-13 01:42:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:42:06,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 4 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) Word has length 600 [2021-11-13 01:42:06,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:06,295 INFO L225 Difference]: With dead ends: 12895 [2021-11-13 01:42:06,295 INFO L226 Difference]: Without dead ends: 9597 [2021-11-13 01:42:06,344 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1198 GetRequests, 1196 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:42:06,347 INFO L933 BasicCegarLoop]: 6306 mSDtfsCounter, 9057 mSDsluCounter, 11698 mSDsCounter, 0 mSdLazyCounter, 1784 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9505.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9057 SdHoareTripleChecker+Valid, 18004 SdHoareTripleChecker+Invalid, 1805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 93.51ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1784 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10478.84ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:06,348 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9057 Valid, 18004 Invalid, 1805 Unknown, 0 Unchecked, 93.51ms Time], IncrementalHoareTripleChecker [20 Valid, 1784 Invalid, 1 Unknown, 0 Unchecked, 10478.84ms Time] [2021-11-13 01:42:06,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9597 states. [2021-11-13 01:42:06,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9597 to 9571. [2021-11-13 01:42:06,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9571 states, 6701 states have (on average 1.2772720489479181) internal successors, (8559), 6871 states have internal predecessors, (8559), 2445 states have call successors, (2445), 423 states have call predecessors, (2445), 422 states have return successors, (2441), 2363 states have call predecessors, (2441), 2441 states have call successors, (2441) [2021-11-13 01:42:07,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9571 states to 9571 states and 13445 transitions. [2021-11-13 01:42:07,072 INFO L78 Accepts]: Start accepts. Automaton has 9571 states and 13445 transitions. Word has length 600 [2021-11-13 01:42:07,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:07,079 INFO L470 AbstractCegarLoop]: Abstraction has 9571 states and 13445 transitions. [2021-11-13 01:42:07,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 4 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) [2021-11-13 01:42:07,080 INFO L276 IsEmpty]: Start isEmpty. Operand 9571 states and 13445 transitions. [2021-11-13 01:42:07,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2021-11-13 01:42:07,103 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:07,103 INFO L514 BasicCegarLoop]: trace histogram [53, 53, 52, 52, 52, 52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:42:07,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 01:42:07,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:42:07,320 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-13 01:42:07,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:07,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1249004057, now seen corresponding path program 1 times [2021-11-13 01:42:07,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:42:07,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177731600] [2021-11-13 01:42:07,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:07,330 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:42:07,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:42:07,332 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:42:07,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 01:42:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:18,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 5587 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 01:42:18,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:42:19,243 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 11934 trivial. 0 not checked. [2021-11-13 01:42:19,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:42:20,456 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2021-11-13 01:42:20,457 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:42:20,457 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [177731600] [2021-11-13 01:42:20,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [177731600] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:20,457 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:20,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 01:42:20,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738343625] [2021-11-13 01:42:20,458 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:20,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 01:42:20,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:42:20,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 01:42:20,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:42:20,462 INFO L87 Difference]: Start difference. First operand 9571 states and 13445 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 4 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) [2021-11-13 01:42:22,984 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 01:42:34,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:34,747 INFO L93 Difference]: Finished difference Result 36931 states and 52070 transitions. [2021-11-13 01:42:34,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:42:34,748 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 4 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) Word has length 600 [2021-11-13 01:42:34,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:35,039 INFO L225 Difference]: With dead ends: 36931 [2021-11-13 01:42:35,039 INFO L226 Difference]: Without dead ends: 27469 [2021-11-13 01:42:35,126 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1198 GetRequests, 1196 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:42:35,127 INFO L933 BasicCegarLoop]: 6316 mSDtfsCounter, 11486 mSDsluCounter, 7205 mSDsCounter, 0 mSdLazyCounter, 1668 mSolverCounterSat, 1617 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11707.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11486 SdHoareTripleChecker+Valid, 13521 SdHoareTripleChecker+Invalid, 3286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 68.28ms SdHoareTripleChecker+Time, 1617 IncrementalHoareTripleChecker+Valid, 1668 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13173.65ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:35,128 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11486 Valid, 13521 Invalid, 3286 Unknown, 0 Unchecked, 68.28ms Time], IncrementalHoareTripleChecker [1617 Valid, 1668 Invalid, 1 Unknown, 0 Unchecked, 13173.65ms Time] [2021-11-13 01:42:35,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27469 states. [2021-11-13 01:42:36,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27469 to 27407. [2021-11-13 01:42:36,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27407 states, 19227 states have (on average 1.2760701097415093) internal successors, (24535), 19739 states have internal predecessors, (24535), 6937 states have call successors, (6937), 1265 states have call predecessors, (6937), 1240 states have return successors, (7221), 6639 states have call predecessors, (7221), 6933 states have call successors, (7221) [2021-11-13 01:42:36,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27407 states to 27407 states and 38693 transitions. [2021-11-13 01:42:37,000 INFO L78 Accepts]: Start accepts. Automaton has 27407 states and 38693 transitions. Word has length 600 [2021-11-13 01:42:37,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:37,002 INFO L470 AbstractCegarLoop]: Abstraction has 27407 states and 38693 transitions. [2021-11-13 01:42:37,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 4 states have call successors, (59), 3 states have call predecessors, (59), 3 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) [2021-11-13 01:42:37,003 INFO L276 IsEmpty]: Start isEmpty. Operand 27407 states and 38693 transitions. [2021-11-13 01:42:37,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2021-11-13 01:42:37,026 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:37,026 INFO L514 BasicCegarLoop]: trace histogram [53, 53, 52, 52, 52, 52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:42:37,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 01:42:37,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:42:37,244 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-13 01:42:37,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:37,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1699232199, now seen corresponding path program 1 times [2021-11-13 01:42:37,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:42:37,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2069571779] [2021-11-13 01:42:37,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:37,250 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:42:37,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:42:37,251 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:42:37,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 01:42:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:47,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 5595 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 01:42:47,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:42:48,810 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 11934 trivial. 0 not checked. [2021-11-13 01:42:48,810 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:42:50,047 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2021-11-13 01:42:50,047 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:42:50,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2069571779] [2021-11-13 01:42:50,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2069571779] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:50,048 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:50,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-13 01:42:50,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044946965] [2021-11-13 01:42:50,048 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:50,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 01:42:50,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:42:50,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 01:42:50,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:42:50,058 INFO L87 Difference]: Start difference. First operand 27407 states and 38693 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2021-11-13 01:42:52,669 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 01:42:54,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:54,940 INFO L93 Difference]: Finished difference Result 80875 states and 114830 transitions. [2021-11-13 01:42:54,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 01:42:54,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 609 [2021-11-13 01:42:54,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:55,289 INFO L225 Difference]: With dead ends: 80875 [2021-11-13 01:42:55,290 INFO L226 Difference]: Without dead ends: 53577 [2021-11-13 01:42:55,433 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1216 GetRequests, 1215 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:42:55,437 INFO L933 BasicCegarLoop]: 5486 mSDtfsCounter, 4327 mSDsluCounter, 4594 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2885.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4327 SdHoareTripleChecker+Valid, 10080 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.43ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2978.13ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:55,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4327 Valid, 10080 Invalid, 98 Unknown, 0 Unchecked, 29.43ms Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 2978.13ms Time] [2021-11-13 01:42:55,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53577 states. [2021-11-13 01:42:58,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53577 to 53540. [2021-11-13 01:42:58,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53540 states, 37530 states have (on average 1.2758859579003463) internal successors, (47884), 38552 states have internal predecessors, (47884), 13528 states have call successors, (13528), 2528 states have call predecessors, (13528), 2479 states have return successors, (14796), 12933 states have call predecessors, (14796), 13524 states have call successors, (14796) [2021-11-13 01:42:58,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53540 states to 53540 states and 76208 transitions. [2021-11-13 01:42:58,958 INFO L78 Accepts]: Start accepts. Automaton has 53540 states and 76208 transitions. Word has length 609 [2021-11-13 01:42:58,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:58,966 INFO L470 AbstractCegarLoop]: Abstraction has 53540 states and 76208 transitions. [2021-11-13 01:42:58,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2021-11-13 01:42:58,966 INFO L276 IsEmpty]: Start isEmpty. Operand 53540 states and 76208 transitions. [2021-11-13 01:42:58,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2021-11-13 01:42:58,976 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:58,977 INFO L514 BasicCegarLoop]: trace histogram [53, 53, 52, 52, 52, 52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:42:59,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 01:42:59,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:42:59,203 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-13 01:42:59,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:59,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1227484670, now seen corresponding path program 1 times [2021-11-13 01:42:59,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:42:59,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1122381880] [2021-11-13 01:42:59,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:59,213 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:42:59,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:42:59,507 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:42:59,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 01:43:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:10,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 5597 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 01:43:10,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:43:11,392 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 11934 trivial. 0 not checked. [2021-11-13 01:43:11,392 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:43:12,534 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2021-11-13 01:43:12,534 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:43:12,534 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1122381880] [2021-11-13 01:43:12,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1122381880] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:12,535 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:12,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-13 01:43:12,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326835136] [2021-11-13 01:43:12,535 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:12,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 01:43:12,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:43:12,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 01:43:12,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:43:12,538 INFO L87 Difference]: Start difference. First operand 53540 states and 76208 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2021-11-13 01:43:15,046 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 01:43:18,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:18,585 INFO L93 Difference]: Finished difference Result 158146 states and 226844 transitions. [2021-11-13 01:43:18,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 01:43:18,586 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 611 [2021-11-13 01:43:18,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:19,292 INFO L225 Difference]: With dead ends: 158146 [2021-11-13 01:43:19,293 INFO L226 Difference]: Without dead ends: 104715 [2021-11-13 01:43:19,650 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1220 GetRequests, 1219 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:43:19,651 INFO L933 BasicCegarLoop]: 5485 mSDtfsCounter, 4325 mSDsluCounter, 4594 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2717.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4325 SdHoareTripleChecker+Valid, 10079 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.33ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2803.83ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:19,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4325 Valid, 10079 Invalid, 98 Unknown, 0 Unchecked, 18.33ms Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 2803.83ms Time] [2021-11-13 01:43:19,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104715 states. [2021-11-13 01:43:24,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104715 to 104666. [2021-11-13 01:43:24,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104666 states, 73275 states have (on average 1.2754691231661548) internal successors, (93460), 75317 states have internal predecessors, (93460), 26431 states have call successors, (26431), 5054 states have call predecessors, (26431), 4957 states have return successors, (30759), 25242 states have call predecessors, (30759), 26427 states have call successors, (30759) [2021-11-13 01:43:25,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104666 states to 104666 states and 150650 transitions. [2021-11-13 01:43:25,780 INFO L78 Accepts]: Start accepts. Automaton has 104666 states and 150650 transitions. Word has length 611 [2021-11-13 01:43:25,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:43:25,782 INFO L470 AbstractCegarLoop]: Abstraction has 104666 states and 150650 transitions. [2021-11-13 01:43:25,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2021-11-13 01:43:25,782 INFO L276 IsEmpty]: Start isEmpty. Operand 104666 states and 150650 transitions. [2021-11-13 01:43:25,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2021-11-13 01:43:25,794 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:43:25,794 INFO L514 BasicCegarLoop]: trace histogram [53, 53, 52, 52, 52, 52, 52, 52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:43:25,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 01:43:26,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-13 01:43:26,018 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-13 01:43:26,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:43:26,019 INFO L85 PathProgramCache]: Analyzing trace with hash 883992938, now seen corresponding path program 1 times [2021-11-13 01:43:26,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-13 01:43:26,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [206712439] [2021-11-13 01:43:26,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:43:26,025 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 01:43:26,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/mathsat [2021-11-13 01:43:26,026 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 01:43:26,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_005bc92b-bfef-48f9-8238-0579947b448d/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 01:43:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:43:37,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 5598 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 01:43:37,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:43:38,019 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 11934 trivial. 0 not checked. [2021-11-13 01:43:38,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:43:39,380 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2021-11-13 01:43:39,381 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-13 01:43:39,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [206712439] [2021-11-13 01:43:39,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [206712439] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:43:39,381 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:43:39,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-13 01:43:39,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708335823] [2021-11-13 01:43:39,382 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:43:39,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 01:43:39,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-13 01:43:39,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 01:43:39,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:43:39,385 INFO L87 Difference]: Start difference. First operand 104666 states and 150650 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2021-11-13 01:43:42,064 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 01:43:49,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:43:49,836 INFO L93 Difference]: Finished difference Result 309268 states and 449504 transitions. [2021-11-13 01:43:49,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 01:43:49,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 612 [2021-11-13 01:43:49,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:43:51,654 INFO L225 Difference]: With dead ends: 309268 [2021-11-13 01:43:51,654 INFO L226 Difference]: Without dead ends: 204711 [2021-11-13 01:43:52,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1222 GetRequests, 1221 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:43:52,105 INFO L933 BasicCegarLoop]: 5485 mSDtfsCounter, 4324 mSDsluCounter, 4594 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2891.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4324 SdHoareTripleChecker+Valid, 10079 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.69ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2984.65ms IncrementalHoareTripleChecker+Time [2021-11-13 01:43:52,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4324 Valid, 10079 Invalid, 98 Unknown, 0 Unchecked, 17.69ms Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 2984.65ms Time] [2021-11-13 01:43:52,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204711 states.