./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 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/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_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 39973bb7b50b53c067a6906d32b40b2185ea2f6a6ba2da336135f31e07490738 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:25:05,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:25:05,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:25:05,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:25:05,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:25:05,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:25:05,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:25:05,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:25:05,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:25:05,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:25:05,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:25:05,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:25:05,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:25:05,149 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:25:05,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:25:05,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:25:05,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:25:05,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:25:05,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:25:05,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:25:05,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:25:05,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:25:05,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:25:05,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:25:05,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:25:05,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:25:05,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:25:05,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:25:05,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:25:05,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:25:05,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:25:05,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:25:05,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:25:05,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:25:05,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:25:05,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:25:05,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:25:05,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:25:05,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:25:05,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:25:05,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:25:05,205 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-19 13:25:05,255 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:25:05,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:25:05,257 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:25:05,257 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:25:05,257 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:25:05,258 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:25:05,258 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:25:05,258 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:25:05,258 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:25:05,259 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:25:05,266 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:25:05,266 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:25:05,266 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:25:05,267 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:25:05,267 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:25:05,267 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:25:05,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:25:05,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:25:05,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:25:05,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:25:05,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:25:05,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:25:05,270 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:25:05,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:25:05,270 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:25:05,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:25:05,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:25:05,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:25:05,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:25:05,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:25:05,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:25:05,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:25:05,272 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:25:05,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:25:05,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:25:05,273 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:25:05,273 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:25:05,274 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_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39973bb7b50b53c067a6906d32b40b2185ea2f6a6ba2da336135f31e07490738 [2021-11-19 13:25:05,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:25:05,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:25:05,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:25:05,592 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:25:05,592 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:25:05,594 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-19 13:25:05,671 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/data/886c3b927/846f8da1a5864f3b9c026400af44a5f4/FLAG2c9114fd5 [2021-11-19 13:25:06,710 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:25:06,711 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-19 13:25:06,791 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/data/886c3b927/846f8da1a5864f3b9c026400af44a5f4/FLAG2c9114fd5 [2021-11-19 13:25:06,994 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/data/886c3b927/846f8da1a5864f3b9c026400af44a5f4 [2021-11-19 13:25:06,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:25:06,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:25:07,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:25:07,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:25:07,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:25:07,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:25:06" (1/1) ... [2021-11-19 13:25:07,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9d65aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:07, skipping insertion in model container [2021-11-19 13:25:07,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:25:06" (1/1) ... [2021-11-19 13:25:07,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:25:07,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:25:09,620 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:09,628 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:09,636 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:09,644 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:09,772 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:10,027 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:10,028 WARN L571 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-19 13:25:12,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541045,541058] [2021-11-19 13:25:12,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541214,541227] [2021-11-19 13:25:12,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541381,541394] [2021-11-19 13:25:12,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541549,541562] [2021-11-19 13:25:12,418 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:25:12,553 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-19 13:25:12,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e74be26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:12, skipping insertion in model container [2021-11-19 13:25:12,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:25:12,555 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 13:25:12,557 INFO L158 Benchmark]: Toolchain (without parser) took 5557.25ms. Allocated memory was 161.5MB in the beginning and 213.9MB in the end (delta: 52.4MB). Free memory was 107.8MB in the beginning and 116.0MB in the end (delta: -8.3MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2021-11-19 13:25:12,558 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory was 44.9MB in the beginning and 44.8MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:25:12,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5554.23ms. Allocated memory was 161.5MB in the beginning and 213.9MB in the end (delta: 52.4MB). Free memory was 107.5MB in the beginning and 116.0MB in the end (delta: -8.6MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2021-11-19 13:25:12,562 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory was 44.9MB in the beginning and 44.8MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5554.23ms. Allocated memory was 161.5MB in the beginning and 213.9MB in the end (delta: 52.4MB). Free memory was 107.5MB in the beginning and 116.0MB in the end (delta: -8.6MB). Peak memory consumption was 54.8MB. 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_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/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_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 39973bb7b50b53c067a6906d32b40b2185ea2f6a6ba2da336135f31e07490738 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:25:14,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:25:14,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:25:14,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:25:14,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:25:14,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:25:14,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:25:14,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:25:14,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:25:14,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:25:14,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:25:14,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:25:14,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:25:14,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:25:14,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:25:14,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:25:14,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:25:14,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:25:14,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:25:14,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:25:14,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:25:14,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:25:14,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:25:14,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:25:14,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:25:14,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:25:14,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:25:14,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:25:14,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:25:14,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:25:14,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:25:14,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:25:14,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:25:14,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:25:14,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:25:14,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:25:14,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:25:14,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:25:14,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:25:14,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:25:14,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:25:14,895 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-19 13:25:14,947 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:25:14,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:25:14,949 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:25:14,950 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:25:14,950 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:25:14,950 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:25:14,950 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:25:14,951 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:25:14,951 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:25:14,951 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:25:14,953 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:25:14,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:25:14,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:25:14,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:25:14,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:25:14,955 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:25:14,955 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 13:25:14,955 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 13:25:14,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:25:14,956 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:25:14,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:25:14,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:25:14,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 13:25:14,956 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:25:14,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:25:14,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:25:14,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:25:14,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:25:14,958 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 13:25:14,958 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 13:25:14,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:25:14,958 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:25:14,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:25:14,959 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_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39973bb7b50b53c067a6906d32b40b2185ea2f6a6ba2da336135f31e07490738 [2021-11-19 13:25:15,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:25:15,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:25:15,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:25:15,393 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:25:15,394 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:25:15,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-19 13:25:15,471 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/data/bb50d45e7/ae42ff2477cc43079f76acb8ee4fcca2/FLAG1d16cef34 [2021-11-19 13:25:16,501 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:25:16,502 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-19 13:25:16,555 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/data/bb50d45e7/ae42ff2477cc43079f76acb8ee4fcca2/FLAG1d16cef34 [2021-11-19 13:25:16,830 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/data/bb50d45e7/ae42ff2477cc43079f76acb8ee4fcca2 [2021-11-19 13:25:16,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:25:16,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:25:16,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:25:16,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:25:16,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:25:16,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:25:16" (1/1) ... [2021-11-19 13:25:16,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0f5d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:16, skipping insertion in model container [2021-11-19 13:25:16,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:25:16" (1/1) ... [2021-11-19 13:25:16,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:25:17,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:25:22,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541045,541058] [2021-11-19 13:25:22,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541214,541227] [2021-11-19 13:25:22,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541381,541394] [2021-11-19 13:25:22,429 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541549,541562] [2021-11-19 13:25:22,449 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:25:22,543 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-19 13:25:22,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:25:23,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541045,541058] [2021-11-19 13:25:23,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541214,541227] [2021-11-19 13:25:23,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541381,541394] [2021-11-19 13:25:23,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541549,541562] [2021-11-19 13:25:23,098 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:25:23,157 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:25:23,691 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541045,541058] [2021-11-19 13:25:23,692 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541214,541227] [2021-11-19 13:25:23,692 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541381,541394] [2021-11-19 13:25:23,693 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i[541549,541562] [2021-11-19 13:25:23,705 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:25:24,445 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:25:24,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:24 WrapperNode [2021-11-19 13:25:24,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:25:24,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:25:24,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:25:24,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:25:24,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:24" (1/1) ... [2021-11-19 13:25:24,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:24" (1/1) ... [2021-11-19 13:25:24,916 INFO L137 Inliner]: procedures = 695, calls = 3798, calls flagged for inlining = 403, calls inlined = 378, statements flattened = 8763 [2021-11-19 13:25:24,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:25:24,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:25:24,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:25:24,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:25:24,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:24" (1/1) ... [2021-11-19 13:25:24,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:24" (1/1) ... [2021-11-19 13:25:24,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:24" (1/1) ... [2021-11-19 13:25:24,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:24" (1/1) ... [2021-11-19 13:25:25,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:24" (1/1) ... [2021-11-19 13:25:25,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:24" (1/1) ... [2021-11-19 13:25:25,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:24" (1/1) ... [2021-11-19 13:25:25,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:25:25,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:25:25,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:25:25,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:25:25,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:24" (1/1) ... [2021-11-19 13:25:25,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:25:25,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:25:25,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:25:25,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:25:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-19 13:25:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-19 13:25:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-19 13:25:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-19 13:25:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_sset_count [2021-11-19 13:25:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_sset_count [2021-11-19 13:25:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_write [2021-11-19 13:25:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_write [2021-11-19 13:25:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-19 13:25:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-19 13:25:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_select_mii [2021-11-19 13:25:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_select_mii [2021-11-19 13:25:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_edmac [2021-11-19 13:25:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_edmac [2021-11-19 13:25:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 13:25:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 13:25:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write [2021-11-19 13:25:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write [2021-11-19 13:25:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2021-11-19 13:25:25,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2021-11-19 13:25:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_table [2021-11-19 13:25:25,630 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_table [2021-11-19 13:25:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-19 13:25:25,630 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-19 13:25:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 13:25:25,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-19 13:25:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_giga [2021-11-19 13:25:25,631 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_giga [2021-11-19 13:25:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-19 13:25:25,631 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-19 13:25:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-19 13:25:25,632 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-19 13:25:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-19 13:25:25,632 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-19 13:25:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2021-11-19 13:25:25,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2021-11-19 13:25:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure bb_clr [2021-11-19 13:25:25,633 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_clr [2021-11-19 13:25:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-19 13:25:25,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-19 13:25:25,633 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_free_dma_buffer [2021-11-19 13:25:25,634 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_free_dma_buffer [2021-11-19 13:25:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_busy [2021-11-19 13:25:25,634 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_busy [2021-11-19 13:25:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_r8a777x [2021-11-19 13:25:25,634 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_r8a777x [2021-11-19 13:25:25,634 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2021-11-19 13:25:25,635 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2021-11-19 13:25:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-19 13:25:25,635 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-19 13:25:25,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-19 13:25:25,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-19 13:25:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-19 13:25:25,636 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-19 13:25:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-19 13:25:25,636 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-19 13:25:25,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-19 13:25:25,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-19 13:25:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tx_timeout [2021-11-19 13:25:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tx_timeout [2021-11-19 13:25:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2021-11-19 13:25:25,637 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2021-11-19 13:25:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:25:25,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 13:25:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_free [2021-11-19 13:25:25,638 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_free [2021-11-19 13:25:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 13:25:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 13:25:25,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 13:25:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-11-19 13:25:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-11-19 13:25:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 13:25:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 13:25:25,639 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-19 13:25:25,639 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-19 13:25:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset [2021-11-19 13:25:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset [2021-11-19 13:25:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-19 13:25:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-19 13:25:25,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-19 13:25:25,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-19 13:25:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_ringparam [2021-11-19 13:25:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_ringparam [2021-11-19 13:25:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_start_xmit [2021-11-19 13:25:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_start_xmit [2021-11-19 13:25:25,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-19 13:25:25,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-19 13:25:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_nway_reset [2021-11-19 13:25:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_nway_reset [2021-11-19 13:25:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-19 13:25:25,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-19 13:25:25,642 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_close [2021-11-19 13:25:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_close [2021-11-19 13:25:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_soft_swap [2021-11-19 13:25:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_soft_swap [2021-11-19 13:25:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 13:25:25,643 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 13:25:25,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-19 13:25:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-19 13:25:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure sh_get_mdio [2021-11-19 13:25:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_get_mdio [2021-11-19 13:25:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_find_entry [2021-11-19 13:25:25,644 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_find_entry [2021-11-19 13:25:25,644 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_add_vid [2021-11-19 13:25:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_add_vid [2021-11-19 13:25:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_ring_init [2021-11-19 13:25:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_ring_init [2021-11-19 13:25:25,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 13:25:25,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-19 13:25:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-19 13:25:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-19 13:25:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 13:25:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-19 13:25:25,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-19 13:25:25,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-19 13:25:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-19 13:25:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-19 13:25:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-19 13:25:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-19 13:25:25,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-19 13:25:25,647 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-19 13:25:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-19 13:25:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_ringparam [2021-11-19 13:25:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_ringparam [2021-11-19 13:25:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:25:25,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-19 13:25:25,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-19 13:25:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-19 13:25:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-19 13:25:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 13:25:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-19 13:25:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 13:25:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 13:25:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 13:25:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-19 13:25:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 13:25:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_enable [2021-11-19 13:25:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_enable [2021-11-19 13:25:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sh_eth_driver_exit_18_2 [2021-11-19 13:25:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sh_eth_driver_exit_18_2 [2021-11-19 13:25:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_offset [2021-11-19 13:25:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_offset [2021-11-19 13:25:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-11-19 13:25:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-11-19 13:25:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-19 13:25:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-19 13:25:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-19 13:25:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-19 13:25:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-19 13:25:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-19 13:25:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-19 13:25:25,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-19 13:25:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-19 13:25:25,653 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-19 13:25:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 13:25:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_bit [2021-11-19 13:25:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_bit [2021-11-19 13:25:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:25:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:25:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure free_mdio_bitbang [2021-11-19 13:25:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure free_mdio_bitbang [2021-11-19 13:25:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-19 13:25:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-19 13:25:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 13:25:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_do_ioctl [2021-11-19 13:25:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_do_ioctl [2021-11-19 13:25:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_disable_cam_entry_post [2021-11-19 13:25:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_disable_cam_entry_post [2021-11-19 13:25:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 13:25:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 13:25:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 13:25:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 13:25:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 13:25:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-19 13:25:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-19 13:25:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 13:25:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-19 13:25:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_drv_probe [2021-11-19 13:25:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_drv_probe [2021-11-19 13:25:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_read [2021-11-19 13:25:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_read [2021-11-19 13:25:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-19 13:25:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_vtag_index [2021-11-19 13:25:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_vtag_index [2021-11-19 13:25:25,658 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_edtrr_trns [2021-11-19 13:25:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_edtrr_trns [2021-11-19 13:25:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure devm_ioremap_resource [2021-11-19 13:25:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_ioremap_resource [2021-11-19 13:25:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 13:25:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 13:25:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_get_sync [2021-11-19 13:25:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_get_sync [2021-11-19 13:25:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_duplex [2021-11-19 13:25:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_duplex [2021-11-19 13:25:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 13:25:25,660 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 13:25:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_get_post_reg_offset [2021-11-19 13:25:25,661 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_get_post_reg_offset [2021-11-19 13:25:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_r8a7740 [2021-11-19 13:25:25,661 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_r8a7740 [2021-11-19 13:25:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-19 13:25:25,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-19 13:25:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_chip_reset_giga [2021-11-19 13:25:25,662 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_chip_reset_giga [2021-11-19 13:25:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-19 13:25:25,662 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-19 13:25:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:25:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-19 13:25:25,662 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-19 13:25:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 13:25:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 13:25:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 13:25:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 13:25:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_runtime_nop [2021-11-19 13:25:25,663 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_runtime_nop [2021-11-19 13:25:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_resume [2021-11-19 13:25:25,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_resume [2021-11-19 13:25:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 13:25:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 13:25:25,664 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_open [2021-11-19 13:25:25,664 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_open [2021-11-19 13:25:25,665 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 13:25:25,665 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 13:25:25,665 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_multicast_list [2021-11-19 13:25:25,665 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_multicast_list [2021-11-19 13:25:25,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-19 13:25:25,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-19 13:25:25,665 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_msglevel [2021-11-19 13:25:25,666 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_msglevel [2021-11-19 13:25:25,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-19 13:25:25,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-19 13:25:25,666 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_sync [2021-11-19 13:25:25,666 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_sync [2021-11-19 13:25:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read_entry [2021-11-19 13:25:25,667 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read_entry [2021-11-19 13:25:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_txfree [2021-11-19 13:25:25,667 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_txfree [2021-11-19 13:25:25,667 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_settings [2021-11-19 13:25:25,667 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_settings [2021-11-19 13:25:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-19 13:25:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-19 13:25:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_rcv_snd_disable [2021-11-19 13:25:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_rcv_snd_disable [2021-11-19 13:25:25,668 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-19 13:25:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-19 13:25:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-19 13:25:25,669 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-19 13:25:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_msglevel [2021-11-19 13:25:25,669 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_msglevel [2021-11-19 13:25:25,669 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 13:25:25,669 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 13:25:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_drv_remove [2021-11-19 13:25:25,670 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_drv_remove [2021-11-19 13:25:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 13:25:25,670 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 13:25:25,670 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_read [2021-11-19 13:25:25,670 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_read [2021-11-19 13:25:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_rz_fast_ether [2021-11-19 13:25:25,671 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_rz_fast_ether [2021-11-19 13:25:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure bb_set [2021-11-19 13:25:25,671 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_set [2021-11-19 13:25:25,671 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_settings [2021-11-19 13:25:25,671 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_settings [2021-11-19 13:25:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 13:25:25,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-19 13:25:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-19 13:25:25,672 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-19 13:25:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_strings [2021-11-19 13:25:25,672 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_strings [2021-11-19 13:25:25,672 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_ethtool_stats [2021-11-19 13:25:25,673 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_ethtool_stats [2021-11-19 13:25:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-19 13:25:25,673 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-19 13:25:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_dev_init [2021-11-19 13:25:25,673 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_dev_init [2021-11-19 13:25:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_sh_eth_private [2021-11-19 13:25:25,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_sh_eth_private [2021-11-19 13:25:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_get_stats [2021-11-19 13:25:25,674 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_get_stats [2021-11-19 13:25:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_vlan_rx_kill_vid [2021-11-19 13:25:25,674 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_vlan_rx_kill_vid [2021-11-19 13:25:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7724 [2021-11-19 13:25:25,674 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7724 [2021-11-19 13:25:25,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 13:25:25,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 13:25:25,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 13:25:25,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 13:25:25,675 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_adjust_link [2021-11-19 13:25:25,675 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_adjust_link [2021-11-19 13:25:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-19 13:25:25,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-19 13:25:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_purge_mcast [2021-11-19 13:25:25,676 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_purge_mcast [2021-11-19 13:25:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 13:25:25,676 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 13:25:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-11-19 13:25:25,677 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-11-19 13:25:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_sh_eth_private [2021-11-19 13:25:25,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_sh_eth_private [2021-11-19 13:25:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-19 13:25:25,677 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-19 13:25:25,677 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_is_gether [2021-11-19 13:25:25,678 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_is_gether [2021-11-19 13:25:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-19 13:25:25,678 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-19 13:25:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_rate_sh7757 [2021-11-19 13:25:25,678 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_rate_sh7757 [2021-11-19 13:25:25,678 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_set_receive_align [2021-11-19 13:25:25,679 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_set_receive_align [2021-11-19 13:25:25,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-19 13:25:25,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-19 13:25:25,679 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-19 13:25:25,679 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-19 13:25:25,679 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-19 13:25:25,679 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-19 13:25:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure sh_eth_tsu_write_entry [2021-11-19 13:25:25,680 INFO L138 BoogieDeclarations]: Found implementation of procedure sh_eth_tsu_write_entry [2021-11-19 13:25:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-19 13:25:25,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-19 13:25:25,680 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-19 13:25:25,680 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-19 13:25:27,072 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:25:27,081 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:25:32,936 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-19 13:28:02,365 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-19 13:28:02,466 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:28:02,501 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:28:02,501 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-19 13:28:02,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:28:02 BoogieIcfgContainer [2021-11-19 13:28:02,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:28:02,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:28:02,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:28:02,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:28:02,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:25:16" (1/3) ... [2021-11-19 13:28:02,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d39a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:28:02, skipping insertion in model container [2021-11-19 13:28:02,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:25:24" (2/3) ... [2021-11-19 13:28:02,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d39a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:28:02, skipping insertion in model container [2021-11-19 13:28:02,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:28:02" (3/3) ... [2021-11-19 13:28:02,515 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-renesas-sh_eth.cil.i [2021-11-19 13:28:02,521 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:28:02,522 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-19 13:28:02,591 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:28:02,604 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 13:28:02,604 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-19 13:28:02,698 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) [2021-11-19 13:28:02,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2021-11-19 13:28:02,747 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:28:02,749 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] [2021-11-19 13:28:02,750 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:28:02,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:28:02,756 INFO L85 PathProgramCache]: Analyzing trace with hash -519682920, now seen corresponding path program 1 times [2021-11-19 13:28:02,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:28:02,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1468885914] [2021-11-19 13:28:02,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:28:02,789 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:28:02,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:28:02,794 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:28:02,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 13:28:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:28:12,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 5478 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:28:12,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:28:13,410 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 11934 trivial. 0 not checked. [2021-11-19 13:28:13,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:28:14,704 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2021-11-19 13:28:14,705 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:28:14,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1468885914] [2021-11-19 13:28:14,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1468885914] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:28:14,707 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:28:14,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:28:14,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756089042] [2021-11-19 13:28:14,718 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:28:14,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:28:14,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:28:14,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:28:14,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:28:14,772 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) [2021-11-19 13:28:17,305 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:28:26,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:28:26,660 INFO L93 Difference]: Finished difference Result 12895 states and 18671 transitions. [2021-11-19 13:28:26,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:28:26,663 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 [2021-11-19 13:28:26,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:28:26,789 INFO L225 Difference]: With dead ends: 12895 [2021-11-19 13:28:26,789 INFO L226 Difference]: Without dead ends: 9597 [2021-11-19 13:28:26,839 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 [2021-11-19 13:28:26,845 INFO L933 BasicCegarLoop]: 6306 mSDtfsCounter, 9057 mSDsluCounter, 11698 mSDsCounter, 0 mSdLazyCounter, 1784 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9057 SdHoareTripleChecker+Valid, 18004 SdHoareTripleChecker+Invalid, 1805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1784 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2021-11-19 13:28:26,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9057 Valid, 18004 Invalid, 1805 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [20 Valid, 1784 Invalid, 1 Unknown, 0 Unchecked, 10.9s Time] [2021-11-19 13:28:26,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9597 states. [2021-11-19 13:28:27,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9597 to 9571. [2021-11-19 13:28:27,523 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) [2021-11-19 13:28:27,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9571 states to 9571 states and 13445 transitions. [2021-11-19 13:28:27,623 INFO L78 Accepts]: Start accepts. Automaton has 9571 states and 13445 transitions. Word has length 600 [2021-11-19 13:28:27,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:28:27,626 INFO L470 AbstractCegarLoop]: Abstraction has 9571 states and 13445 transitions. [2021-11-19 13:28:27,627 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) [2021-11-19 13:28:27,627 INFO L276 IsEmpty]: Start isEmpty. Operand 9571 states and 13445 transitions. [2021-11-19 13:28:27,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2021-11-19 13:28:27,645 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:28:27,646 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] [2021-11-19 13:28:27,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 13:28:27,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:28:27,847 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:28:27,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:28:27,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1249004057, now seen corresponding path program 1 times [2021-11-19 13:28:27,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:28:27,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1261429708] [2021-11-19 13:28:27,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:28:27,854 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:28:27,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:28:27,856 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:28:27,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 13:28:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:28:37,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 5510 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:28:37,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:28:38,264 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 11934 trivial. 0 not checked. [2021-11-19 13:28:38,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:28:39,496 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2021-11-19 13:28:39,497 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:28:39,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1261429708] [2021-11-19 13:28:39,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1261429708] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:28:39,497 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:28:39,497 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 13:28:39,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13679194] [2021-11-19 13:28:39,498 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:28:39,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 13:28:39,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:28:39,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 13:28:39,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 13:28:39,502 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) [2021-11-19 13:28:41,991 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:28:52,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:28:52,965 INFO L93 Difference]: Finished difference Result 36931 states and 52070 transitions. [2021-11-19 13:28:52,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 13:28:52,972 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 [2021-11-19 13:28:52,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:28:53,218 INFO L225 Difference]: With dead ends: 36931 [2021-11-19 13:28:53,218 INFO L226 Difference]: Without dead ends: 27469 [2021-11-19 13:28:53,298 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 [2021-11-19 13:28:53,299 INFO L933 BasicCegarLoop]: 6316 mSDtfsCounter, 11486 mSDsluCounter, 7205 mSDsCounter, 0 mSdLazyCounter, 1668 mSolverCounterSat, 1617 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11486 SdHoareTripleChecker+Valid, 13521 SdHoareTripleChecker+Invalid, 3286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1617 IncrementalHoareTripleChecker+Valid, 1668 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:28:53,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11486 Valid, 13521 Invalid, 3286 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1617 Valid, 1668 Invalid, 1 Unknown, 0 Unchecked, 12.4s Time] [2021-11-19 13:28:53,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27469 states. [2021-11-19 13:28:54,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27469 to 27407. [2021-11-19 13:28:54,867 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) [2021-11-19 13:28:54,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27407 states to 27407 states and 38693 transitions. [2021-11-19 13:28:54,994 INFO L78 Accepts]: Start accepts. Automaton has 27407 states and 38693 transitions. Word has length 600 [2021-11-19 13:28:54,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:28:54,996 INFO L470 AbstractCegarLoop]: Abstraction has 27407 states and 38693 transitions. [2021-11-19 13:28:54,997 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) [2021-11-19 13:28:54,997 INFO L276 IsEmpty]: Start isEmpty. Operand 27407 states and 38693 transitions. [2021-11-19 13:28:55,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 610 [2021-11-19 13:28:55,017 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:28:55,017 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] [2021-11-19 13:28:55,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 13:28:55,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:28:55,232 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:28:55,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:28:55,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1699232199, now seen corresponding path program 1 times [2021-11-19 13:28:55,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:28:55,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [12962967] [2021-11-19 13:28:55,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:28:55,237 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:28:55,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:28:55,238 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:28:55,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 13:29:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:29:04,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 5518 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:29:04,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:29:05,161 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 11934 trivial. 0 not checked. [2021-11-19 13:29:05,161 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:29:06,593 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2021-11-19 13:29:06,593 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:29:06,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [12962967] [2021-11-19 13:29:06,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [12962967] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:29:06,600 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:29:06,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 13:29:06,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396213928] [2021-11-19 13:29:06,601 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:29:06,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:29:06,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:29:06,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:29:06,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:29:06,603 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) [2021-11-19 13:29:09,079 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:29:11,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:29:11,385 INFO L93 Difference]: Finished difference Result 80875 states and 114830 transitions. [2021-11-19 13:29:11,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:29:11,385 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 [2021-11-19 13:29:11,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:29:11,914 INFO L225 Difference]: With dead ends: 80875 [2021-11-19 13:29:11,915 INFO L226 Difference]: Without dead ends: 53577 [2021-11-19 13:29:12,034 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 [2021-11-19 13:29:12,038 INFO L933 BasicCegarLoop]: 5486 mSDtfsCounter, 4327 mSDsluCounter, 4594 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4327 SdHoareTripleChecker+Valid, 10080 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:29:12,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4327 Valid, 10080 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2021-11-19 13:29:12,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53577 states. [2021-11-19 13:29:14,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53577 to 53540. [2021-11-19 13:29:14,966 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) [2021-11-19 13:29:15,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53540 states to 53540 states and 76208 transitions. [2021-11-19 13:29:15,241 INFO L78 Accepts]: Start accepts. Automaton has 53540 states and 76208 transitions. Word has length 609 [2021-11-19 13:29:15,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:29:15,243 INFO L470 AbstractCegarLoop]: Abstraction has 53540 states and 76208 transitions. [2021-11-19 13:29:15,247 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) [2021-11-19 13:29:15,247 INFO L276 IsEmpty]: Start isEmpty. Operand 53540 states and 76208 transitions. [2021-11-19 13:29:15,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2021-11-19 13:29:15,259 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:29:15,259 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] [2021-11-19 13:29:15,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 13:29:15,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:29:15,480 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:29:15,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:29:15,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1227484670, now seen corresponding path program 1 times [2021-11-19 13:29:15,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:29:15,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [293005000] [2021-11-19 13:29:15,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:29:15,489 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:29:15,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:29:15,490 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:29:15,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 13:29:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:29:25,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 5520 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:29:25,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:29:26,289 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 11934 trivial. 0 not checked. [2021-11-19 13:29:26,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:29:27,568 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2021-11-19 13:29:27,569 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:29:27,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [293005000] [2021-11-19 13:29:27,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [293005000] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:29:27,569 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:29:27,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 13:29:27,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066041749] [2021-11-19 13:29:27,570 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:29:27,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:29:27,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:29:27,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:29:27,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:29:27,573 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) [2021-11-19 13:29:30,059 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:29:33,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:29:33,269 INFO L93 Difference]: Finished difference Result 158146 states and 226844 transitions. [2021-11-19 13:29:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:29:33,272 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 [2021-11-19 13:29:33,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:29:34,299 INFO L225 Difference]: With dead ends: 158146 [2021-11-19 13:29:34,300 INFO L226 Difference]: Without dead ends: 104715 [2021-11-19 13:29:34,710 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 [2021-11-19 13:29:34,711 INFO L933 BasicCegarLoop]: 5485 mSDtfsCounter, 4325 mSDsluCounter, 4594 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4325 SdHoareTripleChecker+Valid, 10079 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:29:34,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4325 Valid, 10079 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2021-11-19 13:29:34,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104715 states. [2021-11-19 13:29:39,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104715 to 104666. [2021-11-19 13:29:39,526 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) [2021-11-19 13:29:40,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104666 states to 104666 states and 150650 transitions. [2021-11-19 13:29:40,135 INFO L78 Accepts]: Start accepts. Automaton has 104666 states and 150650 transitions. Word has length 611 [2021-11-19 13:29:40,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:29:40,136 INFO L470 AbstractCegarLoop]: Abstraction has 104666 states and 150650 transitions. [2021-11-19 13:29:40,136 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) [2021-11-19 13:29:40,137 INFO L276 IsEmpty]: Start isEmpty. Operand 104666 states and 150650 transitions. [2021-11-19 13:29:40,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2021-11-19 13:29:40,145 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:29:40,146 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] [2021-11-19 13:29:40,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 13:29:40,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 [2021-11-19 13:29:40,360 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-19 13:29:40,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:29:40,361 INFO L85 PathProgramCache]: Analyzing trace with hash 883992938, now seen corresponding path program 1 times [2021-11-19 13:29:40,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-19 13:29:40,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1646084357] [2021-11-19 13:29:40,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:29:40,367 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 13:29:40,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/mathsat [2021-11-19 13:29:40,368 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 13:29:40,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63640bf-a4c3-4032-a00d-3db142a1a131/bin/utaipan-UbGMyvGFUs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 13:29:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:29:49,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 5521 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 13:29:49,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 13:29:50,547 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 11934 trivial. 0 not checked. [2021-11-19 13:29:50,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 13:29:51,662 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2021-11-19 13:29:51,663 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-19 13:29:51,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1646084357] [2021-11-19 13:29:51,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1646084357] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 13:29:51,663 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:29:51,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-19 13:29:51,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977409656] [2021-11-19 13:29:51,664 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 13:29:51,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:29:51,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-19 13:29:51,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:29:51,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:29:51,666 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) [2021-11-19 13:29:54,187 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 13:30:00,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:30:00,752 INFO L93 Difference]: Finished difference Result 309268 states and 449504 transitions. [2021-11-19 13:30:00,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:30:00,753 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 [2021-11-19 13:30:00,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:30:01,968 INFO L225 Difference]: With dead ends: 309268 [2021-11-19 13:30:01,968 INFO L226 Difference]: Without dead ends: 204711 [2021-11-19 13:30:02,314 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 [2021-11-19 13:30:02,314 INFO L933 BasicCegarLoop]: 5485 mSDtfsCounter, 4324 mSDsluCounter, 4594 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4324 SdHoareTripleChecker+Valid, 10079 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-19 13:30:02,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4324 Valid, 10079 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2021-11-19 13:30:02,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204711 states.