./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 89255a4865f06211548771daf14476dc05433053eae3c7982f432ec62dc0707f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 11:55:25,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 11:55:25,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 11:55:25,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 11:55:25,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 11:55:25,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 11:55:25,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 11:55:25,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 11:55:25,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 11:55:25,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 11:55:25,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 11:55:25,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 11:55:25,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 11:55:25,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 11:55:25,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 11:55:25,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 11:55:25,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 11:55:25,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 11:55:25,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 11:55:25,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 11:55:25,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 11:55:25,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 11:55:25,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 11:55:25,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 11:55:25,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 11:55:25,239 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 11:55:25,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 11:55:25,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 11:55:25,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 11:55:25,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 11:55:25,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 11:55:25,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 11:55:25,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 11:55:25,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 11:55:25,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 11:55:25,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 11:55:25,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 11:55:25,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 11:55:25,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 11:55:25,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 11:55:25,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 11:55:25,248 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 11:55:25,272 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 11:55:25,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 11:55:25,272 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 11:55:25,273 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 11:55:25,273 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 11:55:25,273 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 11:55:25,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 11:55:25,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 11:55:25,274 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 11:55:25,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 11:55:25,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 11:55:25,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 11:55:25,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 11:55:25,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 11:55:25,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 11:55:25,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 11:55:25,276 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 11:55:25,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 11:55:25,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 11:55:25,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 11:55:25,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 11:55:25,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 11:55:25,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 11:55:25,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 11:55:25,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 11:55:25,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 11:55:25,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 11:55:25,279 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 11:55:25,279 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 11:55:25,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 11:55:25,279 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 11:55:25,280 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89255a4865f06211548771daf14476dc05433053eae3c7982f432ec62dc0707f [2021-11-17 11:55:25,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 11:55:25,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 11:55:25,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 11:55:25,500 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 11:55:25,500 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 11:55:25,501 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i [2021-11-17 11:55:25,552 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f1578767/b99e53e34c3649b48fcfb15c18701269/FLAG2b9ce5c55 [2021-11-17 11:55:26,342 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 11:55:26,343 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i [2021-11-17 11:55:26,397 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f1578767/b99e53e34c3649b48fcfb15c18701269/FLAG2b9ce5c55 [2021-11-17 11:55:26,573 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f1578767/b99e53e34c3649b48fcfb15c18701269 [2021-11-17 11:55:26,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 11:55:26,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 11:55:26,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 11:55:26,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 11:55:26,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 11:55:26,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:55:26" (1/1) ... [2021-11-17 11:55:26,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@557cf69f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:55:26, skipping insertion in model container [2021-11-17 11:55:26,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:55:26" (1/1) ... [2021-11-17 11:55:26,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 11:55:26,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 11:55:35,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[857182,857195] [2021-11-17 11:55:35,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[857351,857364] [2021-11-17 11:55:35,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[857518,857531] [2021-11-17 11:55:35,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[857686,857699] [2021-11-17 11:55:35,205 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 11:55:35,232 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 11:55:35,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[857182,857195] [2021-11-17 11:55:35,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[857351,857364] [2021-11-17 11:55:35,881 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[857518,857531] [2021-11-17 11:55:35,881 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[857686,857699] [2021-11-17 11:55:35,888 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 11:55:36,152 INFO L208 MainTranslator]: Completed translation [2021-11-17 11:55:36,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:55:36 WrapperNode [2021-11-17 11:55:36,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 11:55:36,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 11:55:36,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 11:55:36,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 11:55:36,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:55:36" (1/1) ... [2021-11-17 11:55:36,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:55:36" (1/1) ... [2021-11-17 11:55:36,810 INFO L137 Inliner]: procedures = 818, calls = 7867, calls flagged for inlining = 342, calls inlined = 326, statements flattened = 18360 [2021-11-17 11:55:36,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 11:55:36,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 11:55:36,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 11:55:36,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 11:55:36,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:55:36" (1/1) ... [2021-11-17 11:55:36,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:55:36" (1/1) ... [2021-11-17 11:55:36,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:55:36" (1/1) ... [2021-11-17 11:55:36,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:55:36" (1/1) ... [2021-11-17 11:55:37,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:55:36" (1/1) ... [2021-11-17 11:55:37,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:55:36" (1/1) ... [2021-11-17 11:55:37,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:55:36" (1/1) ... [2021-11-17 11:55:37,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 11:55:37,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 11:55:37,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 11:55:37,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 11:55:37,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:55:36" (1/1) ... [2021-11-17 11:55:37,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 11:55:37,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 11:55:37,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 11:55:37,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 11:55:37,769 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_close [2021-11-17 11:55:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_close [2021-11-17 11:55:37,770 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_sw_reset [2021-11-17 11:55:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_sw_reset [2021-11-17 11:55:37,770 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_xmac_tx_stats_get [2021-11-17 11:55:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_xmac_tx_stats_get [2021-11-17 11:55:37,770 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-17 11:55:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-17 11:55:37,770 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_destroy [2021-11-17 11:55:37,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_destroy [2021-11-17 11:55:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-17 11:55:37,771 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-17 11:55:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure VXGE_COMPLETE_VPATH_TX [2021-11-17 11:55:37,771 INFO L138 BoogieDeclarations]: Found implementation of procedure VXGE_COMPLETE_VPATH_TX [2021-11-17 11:55:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_handle_link_down_ind [2021-11-17 11:55:37,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_handle_link_down_ind [2021-11-17 11:55:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_stats_enable [2021-11-17 11:55:37,771 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_stats_enable [2021-11-17 11:55:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_device_register [2021-11-17 11:55:37,772 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_device_register [2021-11-17 11:55:37,772 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_intr_enable [2021-11-17 11:55:37,772 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_intr_enable [2021-11-17 11:55:37,772 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_sset [2021-11-17 11:55:37,772 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_sset [2021-11-17 11:55:37,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 11:55:37,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 11:55:37,772 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_access_rights_get [2021-11-17 11:55:37,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_access_rights_get [2021-11-17 11:55:37,773 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 11:55:37,773 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 11:55:37,773 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 11:55:37,773 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 11:55:37,773 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_buffer_set [2021-11-17 11:55:37,774 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_buffer_set [2021-11-17 11:55:37,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_13_6 [2021-11-17 11:55:37,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_13_6 [2021-11-17 11:55:37,774 INFO L130 BoogieDeclarations]: Found specification of procedure is_vxge_card_up [2021-11-17 11:55:37,774 INFO L138 BoogieDeclarations]: Found implementation of procedure is_vxge_card_up [2021-11-17 11:55:37,774 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rem_isr [2021-11-17 11:55:37,774 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rem_isr [2021-11-17 11:55:37,774 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_wait_receive_idle [2021-11-17 11:55:37,775 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_wait_receive_idle [2021-11-17 11:55:37,775 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_link_down [2021-11-17 11:55:37,775 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_link_down [2021-11-17 11:55:37,775 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mgmt_reg_read [2021-11-17 11:55:37,775 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mgmt_reg_read [2021-11-17 11:55:37,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_22 [2021-11-17 11:55:37,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_22 [2021-11-17 11:55:37,776 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_fw_upgrade [2021-11-17 11:55:37,776 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_fw_upgrade [2021-11-17 11:55:37,776 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_rts_table_set [2021-11-17 11:55:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_rts_table_set [2021-11-17 11:55:37,777 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 11:55:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 11:55:37,777 INFO L130 BoogieDeclarations]: Found specification of procedure do_vxge_reset [2021-11-17 11:55:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure do_vxge_reset [2021-11-17 11:55:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 11:55:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 11:55:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-17 11:55:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-17 11:55:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_abort [2021-11-17 11:55:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_abort [2021-11-17 11:55:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-17 11:55:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-17 11:55:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_61 [2021-11-17 11:55:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_61 [2021-11-17 11:55:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mrpcim_stats_access [2021-11-17 11:55:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mrpcim_stats_access [2021-11-17 11:55:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 11:55:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 11:55:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_mask_all [2021-11-17 11:55:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_mask_all [2021-11-17 11:55:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_4_33 [2021-11-17 11:55:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_4_33 [2021-11-17 11:55:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 11:55:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 11:55:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-11-17 11:55:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-11-17 11:55:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 11:55:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 11:55:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_pio_mem_write32_upper [2021-11-17 11:55:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_pio_mem_write32_upper [2021-11-17 11:55:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_probe [2021-11-17 11:55:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_probe [2021-11-17 11:55:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_try_complete [2021-11-17 11:55:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_try_complete [2021-11-17 11:55:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 11:55:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 11:55:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_read_word [2021-11-17 11:55:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_read_word [2021-11-17 11:55:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 11:55:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-17 11:55:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-17 11:55:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 11:55:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 11:55:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_get_sset_count [2021-11-17 11:55:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_get_sset_count [2021-11-17 11:55:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_xmac_aggr_stats_get [2021-11-17 11:55:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_xmac_aggr_stats_get [2021-11-17 11:55:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-17 11:55:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-17 11:55:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_reset_all_vpaths [2021-11-17 11:55:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_reset_all_vpaths [2021-11-17 11:55:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_mac_list_add [2021-11-17 11:55:37,784 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_mac_list_add [2021-11-17 11:55:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_re_pre_post [2021-11-17 11:55:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_re_pre_post [2021-11-17 11:55:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 11:55:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 11:55:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-17 11:55:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-17 11:55:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_free [2021-11-17 11:55:37,786 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_free [2021-11-17 11:55:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_89 [2021-11-17 11:55:37,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_89 [2021-11-17 11:55:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-17 11:55:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-17 11:55:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_17_2 [2021-11-17 11:55:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_17_2 [2021-11-17 11:55:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_setpause_data [2021-11-17 11:55:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_setpause_data [2021-11-17 11:55:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 11:55:37,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 11:55:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxds_per_block_get [2021-11-17 11:55:37,795 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxds_per_block_get [2021-11-17 11:55:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 11:55:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-17 11:55:37,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-17 11:55:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-17 11:55:37,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-17 11:55:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 11:55:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 11:55:37,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 11:55:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_reset_check [2021-11-17 11:55:37,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_reset_check [2021-11-17 11:55:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 11:55:37,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 11:55:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 11:55:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 11:55:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-17 11:55:37,796 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-17 11:55:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-17 11:55:37,797 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-17 11:55:37,797 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-17 11:55:37,797 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-17 11:55:37,797 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 11:55:37,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 11:55:37,797 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-17 11:55:37,797 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-17 11:55:37,797 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vpath_intr_enable [2021-11-17 11:55:37,797 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vpath_intr_enable [2021-11-17 11:55:37,797 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_setpause_data [2021-11-17 11:55:37,798 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_setpause_data [2021-11-17 11:55:37,798 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_intr_disable [2021-11-17 11:55:37,798 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_intr_disable [2021-11-17 11:55:37,798 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_dma_free [2021-11-17 11:55:37,798 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_dma_free [2021-11-17 11:55:37,798 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_allocate [2021-11-17 11:55:37,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_allocate [2021-11-17 11:55:37,798 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-17 11:55:37,798 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-17 11:55:37,798 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_error_level_get [2021-11-17 11:55:37,798 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_error_level_get [2021-11-17 11:55:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mgmt_reg_write [2021-11-17 11:55:37,799 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mgmt_reg_write [2021-11-17 11:55:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-17 11:55:37,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-17 11:55:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_enable [2021-11-17 11:55:37,799 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_enable [2021-11-17 11:55:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_count [2021-11-17 11:55:37,799 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_count [2021-11-17 11:55:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_post [2021-11-17 11:55:37,799 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_post [2021-11-17 11:55:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-17 11:55:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-17 11:55:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_mac_addr [2021-11-17 11:55:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_mac_addr [2021-11-17 11:55:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_handle_link_up_ind [2021-11-17 11:55:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_handle_link_up_ind [2021-11-17 11:55:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 11:55:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 11:55:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_unmask_all [2021-11-17 11:55:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_unmask_all [2021-11-17 11:55:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_trace_level_get [2021-11-17 11:55:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_trace_level_get [2021-11-17 11:55:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 11:55:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 11:55:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_clear [2021-11-17 11:55:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_clear [2021-11-17 11:55:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_handle_error [2021-11-17 11:55:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_handle_error [2021-11-17 11:55:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 11:55:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 11:55:37,802 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_create [2021-11-17 11:55:37,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_create [2021-11-17 11:55:37,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 11:55:37,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 11:55:37,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 11:55:37,802 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_mac_addr_add [2021-11-17 11:55:37,802 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_mac_addr_add [2021-11-17 11:55:37,802 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-17 11:55:37,802 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-17 11:55:37,802 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 11:55:37,803 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 11:55:37,803 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rem_msix_isr [2021-11-17 11:55:37,803 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rem_msix_isr [2021-11-17 11:55:37,803 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-17 11:55:37,803 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_add_mac_addr [2021-11-17 11:55:37,803 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_add_mac_addr [2021-11-17 11:55:37,803 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_delete [2021-11-17 11:55:37,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_delete [2021-11-17 11:55:37,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 11:55:37,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 11:55:37,804 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_isr_napi [2021-11-17 11:55:37,804 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_isr_napi [2021-11-17 11:55:37,804 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_rxdblock_link [2021-11-17 11:55:37,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_rxdblock_link [2021-11-17 11:55:37,804 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_private_get [2021-11-17 11:55:37,804 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_private_get [2021-11-17 11:55:37,804 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-17 11:55:37,804 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-17 11:55:37,804 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-17 11:55:37,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-17 11:55:37,804 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_dynamic_rti_rtimer_set [2021-11-17 11:55:37,805 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_dynamic_rti_rtimer_set [2021-11-17 11:55:37,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 11:55:37,805 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 11:55:37,805 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_post [2021-11-17 11:55:37,805 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_post [2021-11-17 11:55:37,805 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-17 11:55:37,805 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-17 11:55:37,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 11:55:37,805 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_free_mac_add_list [2021-11-17 11:55:37,805 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_free_mac_add_list [2021-11-17 11:55:37,806 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 11:55:37,806 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 11:55:37,806 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_delete [2021-11-17 11:55:37,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_delete [2021-11-17 11:55:37,806 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-11-17 11:55:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-11-17 11:55:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 11:55:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_reset [2021-11-17 11:55:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_reset [2021-11-17 11:55:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_func_id_get [2021-11-17 11:55:37,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_func_id_get [2021-11-17 11:55:37,810 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_open [2021-11-17 11:55:37,810 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_open [2021-11-17 11:55:37,810 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_intr_enable [2021-11-17 11:55:37,810 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_intr_enable [2021-11-17 11:55:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 11:55:37,811 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 11:55:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-17 11:55:37,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-17 11:55:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_vpath_reset_in_prog_check [2021-11-17 11:55:37,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_vpath_reset_in_prog_check [2021-11-17 11:55:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 11:55:37,811 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 11:55:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_replenish [2021-11-17 11:55:37,812 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_replenish [2021-11-17 11:55:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_pio_mem_write64 [2021-11-17 11:55:37,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_pio_mem_write64 [2021-11-17 11:55:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_12_2 [2021-11-17 11:55:37,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_12_2 [2021-11-17 11:55:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_poll_rx [2021-11-17 11:55:37,812 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_poll_rx [2021-11-17 11:55:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 11:55:37,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 11:55:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_post_post [2021-11-17 11:55:37,813 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_post_post [2021-11-17 11:55:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_all_queues [2021-11-17 11:55:37,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_all_queues [2021-11-17 11:55:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_terminate [2021-11-17 11:55:37,813 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_terminate [2021-11-17 11:55:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_create [2021-11-17 11:55:37,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_create [2021-11-17 11:55:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-17 11:55:37,813 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-17 11:55:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_io_resume [2021-11-17 11:55:37,814 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_io_resume [2021-11-17 11:55:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-17 11:55:37,814 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-17 11:55:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_alarm_process [2021-11-17 11:55:37,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_alarm_process [2021-11-17 11:55:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-17 11:55:37,814 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-17 11:55:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_62 [2021-11-17 11:55:37,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_62 [2021-11-17 11:55:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_multicast [2021-11-17 11:55:37,814 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_multicast [2021-11-17 11:55:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure pci_channel_offline [2021-11-17 11:55:37,815 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_channel_offline [2021-11-17 11:55:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-11-17 11:55:37,815 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-11-17 11:55:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_item_priv [2021-11-17 11:55:37,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_item_priv [2021-11-17 11:55:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 11:55:37,815 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 11:55:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_features [2021-11-17 11:55:37,815 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_features [2021-11-17 11:55:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 11:55:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 11:55:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 11:55:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_dma_malloc [2021-11-17 11:55:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_dma_malloc [2021-11-17 11:55:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_set [2021-11-17 11:55:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_set [2021-11-17 11:55:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2021-11-17 11:55:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2021-11-17 11:55:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_recover_from_reset [2021-11-17 11:55:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_recover_from_reset [2021-11-17 11:55:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_1b_set [2021-11-17 11:55:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_1b_set [2021-11-17 11:55:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_stats_access [2021-11-17 11:55:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_stats_access [2021-11-17 11:55:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_flush_io [2021-11-17 11:55:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_flush_io [2021-11-17 11:55:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-17 11:55:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-17 11:55:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_open [2021-11-17 11:55:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_open [2021-11-17 11:55:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_txdl_priv [2021-11-17 11:55:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_txdl_priv [2021-11-17 11:55:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_18_2 [2021-11-17 11:55:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_18_2 [2021-11-17 11:55:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 11:55:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 11:55:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2021-11-17 11:55:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2021-11-17 11:55:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_91 [2021-11-17 11:55:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_91 [2021-11-17 11:55:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_close_vpaths [2021-11-17 11:55:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_close_vpaths [2021-11-17 11:55:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_unmask [2021-11-17 11:55:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_unmask [2021-11-17 11:55:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_restore_vpath_vid_table [2021-11-17 11:55:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_restore_vpath_vid_table [2021-11-17 11:55:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_initialize [2021-11-17 11:55:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_initialize [2021-11-17 11:55:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_next_completed [2021-11-17 11:55:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_next_completed [2021-11-17 11:55:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_alloc [2021-11-17 11:55:37,819 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_alloc [2021-11-17 11:55:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_reset [2021-11-17 11:55:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_reset [2021-11-17 11:55:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_open_vpaths [2021-11-17 11:55:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_open_vpaths [2021-11-17 11:55:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-17 11:55:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-17 11:55:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_destroy [2021-11-17 11:55:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_destroy [2021-11-17 11:55:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rx_map [2021-11-17 11:55:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rx_map [2021-11-17 11:55:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 11:55:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 11:55:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_device_unregister [2021-11-17 11:55:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_device_unregister [2021-11-17 11:55:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-17 11:55:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-17 11:55:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 11:55:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 11:55:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_7_2 [2021-11-17 11:55:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_7_2 [2021-11-17 11:55:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-17 11:55:37,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-17 11:55:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-17 11:55:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-17 11:55:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_pre_post [2021-11-17 11:55:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_pre_post [2021-11-17 11:55:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-17 11:55:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-17 11:55:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-17 11:55:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-17 11:55:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_rx_doorbell_init [2021-11-17 11:55:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_rx_doorbell_init [2021-11-17 11:55:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_stats_get [2021-11-17 11:55:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_stats_get [2021-11-17 11:55:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_pm_resume [2021-11-17 11:55:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_pm_resume [2021-11-17 11:55:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_7 [2021-11-17 11:55:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_7 [2021-11-17 11:55:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 11:55:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 11:55:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_poll_vp_lockup [2021-11-17 11:55:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_poll_vp_lockup [2021-11-17 11:55:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_clear_tx_rx [2021-11-17 11:55:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_clear_tx_rx [2021-11-17 11:55:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_wait_receive_idle [2021-11-17 11:55:37,824 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_wait_receive_idle [2021-11-17 11:55:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_83 [2021-11-17 11:55:37,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_83 [2021-11-17 11:55:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_82 [2021-11-17 11:55:37,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_82 [2021-11-17 11:55:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_81 [2021-11-17 11:55:37,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_81 [2021-11-17 11:55:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_80 [2021-11-17 11:55:37,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_80 [2021-11-17 11:55:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vpath_intr_disable [2021-11-17 11:55:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vpath_intr_disable [2021-11-17 11:55:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 11:55:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 11:55:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-17 11:55:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-17 11:55:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 11:55:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 11:55:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 11:55:37,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 11:55:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 11:55:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2021-11-17 11:55:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2021-11-17 11:55:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-17 11:55:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-17 11:55:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-17 11:55:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-17 11:55:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_del_mac_addr [2021-11-17 11:55:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_del_mac_addr [2021-11-17 11:55:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 11:55:37,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 11:55:37,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 11:55:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-17 11:55:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-17 11:55:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_toc_get [2021-11-17 11:55:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_toc_get [2021-11-17 11:55:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_gset [2021-11-17 11:55:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_gset [2021-11-17 11:55:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_mac_list_del [2021-11-17 11:55:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_mac_list_del [2021-11-17 11:55:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-17 11:55:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-17 11:55:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 11:55:37,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 11:55:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 11:55:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_alarm_process [2021-11-17 11:55:37,828 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_alarm_process [2021-11-17 11:55:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 11:55:37,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 11:55:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 11:55:37,828 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 11:55:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 11:55:37,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 11:55:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_4 [2021-11-17 11:55:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_4 [2021-11-17 11:55:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_private_get [2021-11-17 11:55:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_private_get [2021-11-17 11:55:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_tti_ci_set [2021-11-17 11:55:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_tti_ci_set [2021-11-17 11:55:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-17 11:55:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-17 11:55:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure VXGE_COMPLETE_ALL_TX [2021-11-17 11:55:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure VXGE_COMPLETE_ALL_TX [2021-11-17 11:55:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_85 [2021-11-17 11:55:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_85 [2021-11-17 11:55:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_84 [2021-11-17 11:55:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_84 [2021-11-17 11:55:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2021-11-17 11:55:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2021-11-17 11:55:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2021-11-17 11:55:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2021-11-17 11:55:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_3 [2021-11-17 11:55:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_3 [2021-11-17 11:55:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-17 11:55:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-17 11:55:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_intr_disable [2021-11-17 11:55:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_intr_disable [2021-11-17 11:55:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_blocks_add [2021-11-17 11:55:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_blocks_add [2021-11-17 11:55:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_reset [2021-11-17 11:55:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_reset [2021-11-17 11:55:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_restore_vpath_mac_addr [2021-11-17 11:55:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_restore_vpath_mac_addr [2021-11-17 11:55:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_unmask [2021-11-17 11:55:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_unmask [2021-11-17 11:55:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_77 [2021-11-17 11:55:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_77 [2021-11-17 11:55:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2021-11-17 11:55:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2021-11-17 11:55:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_mcast_enable [2021-11-17 11:55:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_mcast_enable [2021-11-17 11:55:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-17 11:55:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-17 11:55:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_poll_vp_reset [2021-11-17 11:55:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_poll_vp_reset [2021-11-17 11:55:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 11:55:37,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 11:55:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_rts_table_get [2021-11-17 11:55:37,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_rts_table_get [2021-11-17 11:55:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_change_mtu [2021-11-17 11:55:37,833 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_change_mtu [2021-11-17 11:55:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_mask [2021-11-17 11:55:37,833 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_mask [2021-11-17 11:55:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_vid_add [2021-11-17 11:55:37,833 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_vid_add [2021-11-17 11:55:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_config_ci_for_tti_rti [2021-11-17 11:55:37,833 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_config_ci_for_tti_rti [2021-11-17 11:55:37,834 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_prc_configure [2021-11-17 11:55:37,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_prc_configure [2021-11-17 11:55:37,834 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-17 11:55:37,834 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-17 11:55:37,834 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_alarm_msix_handle [2021-11-17 11:55:37,834 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_alarm_msix_handle [2021-11-17 11:55:37,834 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-17 11:55:37,834 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-17 11:55:37,834 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2021-11-17 11:55:37,834 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2021-11-17 11:55:37,835 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-17 11:55:37,835 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-17 11:55:37,835 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rx_alloc [2021-11-17 11:55:37,835 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rx_alloc [2021-11-17 11:55:37,837 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-17 11:55:37,837 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-17 11:55:37,838 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_link_up [2021-11-17 11:55:37,838 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_link_up [2021-11-17 11:55:37,838 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_fw_flash [2021-11-17 11:55:37,838 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_fw_flash [2021-11-17 11:55:37,838 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-11-17 11:55:37,838 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-11-17 11:55:37,838 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_next_completed [2021-11-17 11:55:37,838 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_next_completed [2021-11-17 11:55:37,838 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_add_isr [2021-11-17 11:55:37,838 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_add_isr [2021-11-17 11:55:37,839 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_bcast_enable [2021-11-17 11:55:37,839 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_bcast_enable [2021-11-17 11:55:37,839 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_mask [2021-11-17 11:55:37,839 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_mask [2021-11-17 11:55:37,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 11:55:37,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 11:55:37,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 11:55:37,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 11:55:37,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 11:55:37,839 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_tx_watchdog [2021-11-17 11:55:37,840 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_tx_watchdog [2021-11-17 11:55:37,840 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-17 11:55:37,840 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-17 11:55:37,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-11-17 11:55:37,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-11-17 11:55:37,840 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2021-11-17 11:55:37,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2021-11-17 11:55:37,840 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-17 11:55:37,840 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-17 11:55:37,840 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-11-17 11:55:37,841 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-11-17 11:55:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2021-11-17 11:55:37,841 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2021-11-17 11:55:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_blocks_remove [2021-11-17 11:55:37,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_blocks_remove [2021-11-17 11:55:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_dynamic_tti_rtimer_set [2021-11-17 11:55:37,841 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_dynamic_tti_rtimer_set [2021-11-17 11:55:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-17 11:55:37,841 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-17 11:55:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_remove [2021-11-17 11:55:37,841 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_remove [2021-11-17 11:55:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_debug_set [2021-11-17 11:55:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_debug_set [2021-11-17 11:55:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure do_vxge_close [2021-11-17 11:55:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure do_vxge_close [2021-11-17 11:55:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-17 11:55:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-17 11:55:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-17 11:55:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-17 11:55:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-17 11:55:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-17 11:55:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 11:55:37,843 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 11:55:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_register_poll [2021-11-17 11:55:37,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_register_poll [2021-11-17 11:55:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_free [2021-11-17 11:55:37,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_free [2021-11-17 11:55:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_netpoll [2021-11-17 11:55:37,843 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_netpoll [2021-11-17 11:55:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 11:55:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-17 11:55:37,843 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-17 11:55:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_abort [2021-11-17 11:55:37,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_abort [2021-11-17 11:55:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-17 11:55:37,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-17 11:55:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-17 11:55:37,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-17 11:55:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 11:55:37,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 11:55:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-17 11:55:37,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-17 11:55:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_is_privilaged [2021-11-17 11:55:37,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_is_privilaged [2021-11-17 11:55:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_1_5 [2021-11-17 11:55:37,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_1_5 [2021-11-17 11:55:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vp_terminate [2021-11-17 11:55:37,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vp_terminate [2021-11-17 11:55:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-17 11:55:37,845 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-17 11:55:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 11:55:37,845 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 11:55:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-17 11:55:37,891 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-17 11:55:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_post_post_wmb [2021-11-17 11:55:37,891 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_post_post_wmb [2021-11-17 11:55:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_fw_api [2021-11-17 11:55:37,891 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_fw_api [2021-11-17 11:55:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 11:55:37,891 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 11:55:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_initialize [2021-11-17 11:55:37,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_initialize [2021-11-17 11:55:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_flick_link_led [2021-11-17 11:55:37,891 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_flick_link_led [2021-11-17 11:55:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_rts_rth_data0_data1_get [2021-11-17 11:55:37,891 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_rts_rth_data0_data1_get [2021-11-17 11:55:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 11:55:37,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 11:55:37,891 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_reset_vpath [2021-11-17 11:55:37,891 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_reset_vpath [2021-11-17 11:55:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 11:55:37,892 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 11:55:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-11-17 11:55:37,892 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-11-17 11:55:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-11-17 11:55:37,892 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-11-17 11:55:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_get_regs_len [2021-11-17 11:55:37,892 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_get_regs_len [2021-11-17 11:55:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-17 11:55:37,892 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-17 11:55:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_reset [2021-11-17 11:55:37,892 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_reset [2021-11-17 11:55:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_complete [2021-11-17 11:55:37,892 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_complete [2021-11-17 11:55:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-11-17 11:55:37,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-11-17 11:55:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_timer [2021-11-17 11:55:37,892 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_timer [2021-11-17 11:55:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_reset [2021-11-17 11:55:37,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_reset [2021-11-17 11:55:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_xmac_rx_stats_get [2021-11-17 11:55:37,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_xmac_rx_stats_get [2021-11-17 11:55:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 11:55:37,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 11:55:37,892 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_begin_irq [2021-11-17 11:55:37,892 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_begin_irq [2021-11-17 11:55:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_free [2021-11-17 11:55:37,893 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_free [2021-11-17 11:55:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_13_4 [2021-11-17 11:55:37,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_13_4 [2021-11-17 11:55:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 11:55:37,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 11:55:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-17 11:55:37,893 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-17 11:55:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_crit_err [2021-11-17 11:55:37,893 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_crit_err [2021-11-17 11:55:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 11:55:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2021-11-17 11:55:37,893 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2021-11-17 11:55:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 11:55:37,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 11:55:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-17 11:55:37,893 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-17 11:55:37,893 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-17 11:55:39,601 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 11:55:39,605 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 11:55:45,297 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 12:00:47,319 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 12:00:47,362 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 12:00:47,362 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-17 12:00:47,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:00:47 BoogieIcfgContainer [2021-11-17 12:00:47,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 12:00:47,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 12:00:47,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 12:00:47,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 12:00:47,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 11:55:26" (1/3) ... [2021-11-17 12:00:47,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46bfcfcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:00:47, skipping insertion in model container [2021-11-17 12:00:47,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:55:36" (2/3) ... [2021-11-17 12:00:47,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46bfcfcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:00:47, skipping insertion in model container [2021-11-17 12:00:47,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 12:00:47" (3/3) ... [2021-11-17 12:00:47,375 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i [2021-11-17 12:00:47,379 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 12:00:47,379 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-17 12:00:47,443 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 12:00:47,451 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=PETRI_NET, 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 [2021-11-17 12:00:47,452 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-17 12:00:47,534 INFO L276 IsEmpty]: Start isEmpty. Operand has 5936 states, 4203 states have (on average 1.3259576492981204) internal successors, (5573), 4304 states have internal predecessors, (5573), 1414 states have call successors, (1414), 317 states have call predecessors, (1414), 316 states have return successors, (1407), 1380 states have call predecessors, (1407), 1407 states have call successors, (1407) [2021-11-17 12:00:47,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-17 12:00:47,542 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:00:47,543 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:00:47,543 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-17 12:00:47,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:00:47,550 INFO L85 PathProgramCache]: Analyzing trace with hash -657974370, now seen corresponding path program 1 times [2021-11-17 12:00:47,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:00:47,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898005087] [2021-11-17 12:00:47,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:00:47,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:00:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:00:48,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 12:00:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:00:48,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:00:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:00:48,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:00:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:00:48,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-11-17 12:00:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:00:48,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:00:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:00:48,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-17 12:00:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:00:48,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-17 12:00:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:00:48,471 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-17 12:00:48,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:00:48,472 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898005087] [2021-11-17 12:00:48,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898005087] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:00:48,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:00:48,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 12:00:48,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610651376] [2021-11-17 12:00:48,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:00:48,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 12:00:48,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:00:48,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 12:00:48,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 12:00:48,512 INFO L87 Difference]: Start difference. First operand has 5936 states, 4203 states have (on average 1.3259576492981204) internal successors, (5573), 4304 states have internal predecessors, (5573), 1414 states have call successors, (1414), 317 states have call predecessors, (1414), 316 states have return successors, (1407), 1380 states have call predecessors, (1407), 1407 states have call successors, (1407) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-17 12:00:50,606 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:00:56,253 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:00:59,345 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:01:12,889 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:01:15,405 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:01:21,878 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:01:23,117 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:01:40,793 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:01:43,839 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:01:46,008 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:01:48,276 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:01:49,626 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:01:50,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:01:50,275 INFO L93 Difference]: Finished difference Result 12835 states and 18695 transitions. [2021-11-17 12:01:50,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 12:01:50,277 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 59 [2021-11-17 12:01:50,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:01:50,340 INFO L225 Difference]: With dead ends: 12835 [2021-11-17 12:01:50,340 INFO L226 Difference]: Without dead ends: 6894 [2021-11-17 12:01:50,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 12:01:50,383 INFO L933 BasicCegarLoop]: 7842 mSDtfsCounter, 2263 mSDsluCounter, 9849 mSDsCounter, 0 mSdLazyCounter, 4954 mSolverCounterSat, 1676 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2736 SdHoareTripleChecker+Valid, 17691 SdHoareTripleChecker+Invalid, 6638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1676 IncrementalHoareTripleChecker+Valid, 4954 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.6s IncrementalHoareTripleChecker+Time [2021-11-17 12:01:50,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2736 Valid, 17691 Invalid, 6638 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1676 Valid, 4954 Invalid, 8 Unknown, 0 Unchecked, 60.6s Time] [2021-11-17 12:01:50,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6894 states. [2021-11-17 12:01:50,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6894 to 5904. [2021-11-17 12:01:50,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5904 states, 4180 states have (on average 1.3179425837320575) internal successors, (5509), 4275 states have internal predecessors, (5509), 1405 states have call successors, (1405), 316 states have call predecessors, (1405), 315 states have return successors, (1402), 1375 states have call predecessors, (1402), 1402 states have call successors, (1402) [2021-11-17 12:01:50,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5904 states to 5904 states and 8316 transitions. [2021-11-17 12:01:50,739 INFO L78 Accepts]: Start accepts. Automaton has 5904 states and 8316 transitions. Word has length 59 [2021-11-17 12:01:50,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:01:50,740 INFO L470 AbstractCegarLoop]: Abstraction has 5904 states and 8316 transitions. [2021-11-17 12:01:50,740 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-17 12:01:50,740 INFO L276 IsEmpty]: Start isEmpty. Operand 5904 states and 8316 transitions. [2021-11-17 12:01:50,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-17 12:01:50,742 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:01:50,742 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:01:50,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 12:01:50,743 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-17 12:01:50,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:01:50,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1224887843, now seen corresponding path program 1 times [2021-11-17 12:01:50,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:01:50,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433578068] [2021-11-17 12:01:50,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:01:50,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:01:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:01:51,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-11-17 12:01:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:01:51,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:01:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:01:51,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:01:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:01:51,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 12:01:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:01:51,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:01:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:01:51,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 12:01:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:01:51,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 12:01:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:01:51,229 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-17 12:01:51,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:01:51,230 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433578068] [2021-11-17 12:01:51,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433578068] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:01:51,230 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:01:51,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 12:01:51,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87175585] [2021-11-17 12:01:51,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:01:51,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 12:01:51,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:01:51,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 12:01:51,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 12:01:51,233 INFO L87 Difference]: Start difference. First operand 5904 states and 8316 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-17 12:01:53,313 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:01:58,329 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:02:01,432 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:02:12,302 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:02:22,585 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:02:24,635 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:02:36,230 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:02:44,101 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:02:47,014 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:02:49,246 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:02:51,482 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:02:52,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:02:52,347 INFO L93 Difference]: Finished difference Result 12789 states and 18215 transitions. [2021-11-17 12:02:52,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 12:02:52,347 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 61 [2021-11-17 12:02:52,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:02:52,384 INFO L225 Difference]: With dead ends: 12789 [2021-11-17 12:02:52,384 INFO L226 Difference]: Without dead ends: 6896 [2021-11-17 12:02:52,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 12:02:52,405 INFO L933 BasicCegarLoop]: 7847 mSDtfsCounter, 2239 mSDsluCounter, 9854 mSDsCounter, 0 mSdLazyCounter, 4914 mSolverCounterSat, 1658 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2709 SdHoareTripleChecker+Valid, 17701 SdHoareTripleChecker+Invalid, 6582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1658 IncrementalHoareTripleChecker+Valid, 4914 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.3s IncrementalHoareTripleChecker+Time [2021-11-17 12:02:52,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2709 Valid, 17701 Invalid, 6582 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1658 Valid, 4914 Invalid, 10 Unknown, 0 Unchecked, 60.3s Time] [2021-11-17 12:02:52,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6896 states. [2021-11-17 12:02:52,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6896 to 5903. [2021-11-17 12:02:52,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5903 states, 4179 states have (on average 1.3173007896625988) internal successors, (5505), 4274 states have internal predecessors, (5505), 1405 states have call successors, (1405), 316 states have call predecessors, (1405), 315 states have return successors, (1402), 1375 states have call predecessors, (1402), 1402 states have call successors, (1402) [2021-11-17 12:02:52,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5903 states to 5903 states and 8312 transitions. [2021-11-17 12:02:52,585 INFO L78 Accepts]: Start accepts. Automaton has 5903 states and 8312 transitions. Word has length 61 [2021-11-17 12:02:52,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:02:52,586 INFO L470 AbstractCegarLoop]: Abstraction has 5903 states and 8312 transitions. [2021-11-17 12:02:52,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-17 12:02:52,586 INFO L276 IsEmpty]: Start isEmpty. Operand 5903 states and 8312 transitions. [2021-11-17 12:02:52,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-17 12:02:52,592 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:02:52,593 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:02:52,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 12:02:52,593 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-17 12:02:52,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:02:52,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1404388569, now seen corresponding path program 1 times [2021-11-17 12:02:52,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:02:52,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175390048] [2021-11-17 12:02:52,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:02:52,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:02:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:02:53,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 12:02:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:02:53,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:02:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:02:53,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:02:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:02:53,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 12:02:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:02:53,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:02:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:02:53,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 12:02:53,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:02:53,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-11-17 12:02:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:02:53,102 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-17 12:02:53,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:02:53,102 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175390048] [2021-11-17 12:02:53,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175390048] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:02:53,103 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:02:53,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 12:02:53,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41111028] [2021-11-17 12:02:53,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:02:53,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 12:02:53,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:02:53,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 12:02:53,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 12:02:53,104 INFO L87 Difference]: Start difference. First operand 5903 states and 8312 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-17 12:02:55,189 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:03:00,484 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:03:02,532 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:03:05,830 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:03:20,025 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:03:32,720 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:03:37,512 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:03:54,226 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:03:56,332 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:03:58,439 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:04:00,534 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:04:02,804 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:04:03,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:04:03,658 INFO L93 Difference]: Finished difference Result 12594 states and 17916 transitions. [2021-11-17 12:04:03,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 12:04:03,659 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 62 [2021-11-17 12:04:03,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:04:03,693 INFO L225 Difference]: With dead ends: 12594 [2021-11-17 12:04:03,693 INFO L226 Difference]: Without dead ends: 6725 [2021-11-17 12:04:03,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 12:04:03,715 INFO L933 BasicCegarLoop]: 7729 mSDtfsCounter, 2093 mSDsluCounter, 9761 mSDsCounter, 0 mSdLazyCounter, 4894 mSolverCounterSat, 1615 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2509 SdHoareTripleChecker+Valid, 17490 SdHoareTripleChecker+Invalid, 6518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1615 IncrementalHoareTripleChecker+Valid, 4894 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.8s IncrementalHoareTripleChecker+Time [2021-11-17 12:04:03,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2509 Valid, 17490 Invalid, 6518 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1615 Valid, 4894 Invalid, 9 Unknown, 0 Unchecked, 69.8s Time] [2021-11-17 12:04:03,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6725 states. [2021-11-17 12:04:03,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6725 to 5904. [2021-11-17 12:04:03,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5904 states, 4180 states have (on average 1.317224880382775) internal successors, (5506), 4275 states have internal predecessors, (5506), 1405 states have call successors, (1405), 316 states have call predecessors, (1405), 315 states have return successors, (1402), 1375 states have call predecessors, (1402), 1402 states have call successors, (1402) [2021-11-17 12:04:03,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5904 states to 5904 states and 8313 transitions. [2021-11-17 12:04:03,884 INFO L78 Accepts]: Start accepts. Automaton has 5904 states and 8313 transitions. Word has length 62 [2021-11-17 12:04:03,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:04:03,884 INFO L470 AbstractCegarLoop]: Abstraction has 5904 states and 8313 transitions. [2021-11-17 12:04:03,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-17 12:04:03,885 INFO L276 IsEmpty]: Start isEmpty. Operand 5904 states and 8313 transitions. [2021-11-17 12:04:03,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-17 12:04:03,886 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:04:03,886 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:04:03,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 12:04:03,887 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-17 12:04:03,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:04:03,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1310685661, now seen corresponding path program 1 times [2021-11-17 12:04:03,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:04:03,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958205604] [2021-11-17 12:04:03,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:04:03,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:04:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:04:04,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 12:04:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:04:04,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:04:04,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:04:04,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:04:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:04:04,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 12:04:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:04:04,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:04:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:04:04,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-17 12:04:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:04:04,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:04:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:04:04,386 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-17 12:04:04,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:04:04,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958205604] [2021-11-17 12:04:04,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958205604] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 12:04:04,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899803696] [2021-11-17 12:04:04,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:04:04,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 12:04:04,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 12:04:04,399 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 12:04:04,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 12:04:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:04:05,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 4709 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 12:04:05,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 12:04:06,522 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-17 12:04:06,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 12:04:06,907 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-17 12:04:06,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899803696] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 12:04:06,907 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 12:04:06,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2021-11-17 12:04:06,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891588799] [2021-11-17 12:04:06,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 12:04:06,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 12:04:06,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:04:06,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 12:04:06,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-17 12:04:06,909 INFO L87 Difference]: Start difference. First operand 5904 states and 8313 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 2 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-17 12:04:08,997 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:04:16,165 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:04:20,121 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:04:40,013 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:04:56,035 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:05:12,462 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:05:24,194 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:05:27,141 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:05:29,262 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:05:31,583 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:05:32,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:05:32,527 INFO L93 Difference]: Finished difference Result 12676 states and 18047 transitions. [2021-11-17 12:05:32,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 12:05:32,528 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 2 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 64 [2021-11-17 12:05:32,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:05:32,554 INFO L225 Difference]: With dead ends: 12676 [2021-11-17 12:05:32,554 INFO L226 Difference]: Without dead ends: 6780 [2021-11-17 12:05:32,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-17 12:05:32,568 INFO L933 BasicCegarLoop]: 7735 mSDtfsCounter, 2206 mSDsluCounter, 16539 mSDsCounter, 0 mSdLazyCounter, 6783 mSolverCounterSat, 1664 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 80.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2622 SdHoareTripleChecker+Valid, 24274 SdHoareTripleChecker+Invalid, 8454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1664 IncrementalHoareTripleChecker+Valid, 6783 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 84.8s IncrementalHoareTripleChecker+Time [2021-11-17 12:05:32,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2622 Valid, 24274 Invalid, 8454 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1664 Valid, 6783 Invalid, 7 Unknown, 0 Unchecked, 84.8s Time] [2021-11-17 12:05:32,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6780 states. [2021-11-17 12:05:32,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6780 to 5946. [2021-11-17 12:05:32,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5946 states, 4222 states have (on average 1.3178588346755091) internal successors, (5564), 4317 states have internal predecessors, (5564), 1405 states have call successors, (1405), 316 states have call predecessors, (1405), 315 states have return successors, (1402), 1375 states have call predecessors, (1402), 1402 states have call successors, (1402) [2021-11-17 12:05:32,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5946 states to 5946 states and 8371 transitions. [2021-11-17 12:05:32,719 INFO L78 Accepts]: Start accepts. Automaton has 5946 states and 8371 transitions. Word has length 64 [2021-11-17 12:05:32,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:05:32,719 INFO L470 AbstractCegarLoop]: Abstraction has 5946 states and 8371 transitions. [2021-11-17 12:05:32,719 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 7 states have internal predecessors, (71), 2 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-17 12:05:32,720 INFO L276 IsEmpty]: Start isEmpty. Operand 5946 states and 8371 transitions. [2021-11-17 12:05:32,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-17 12:05:32,720 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:05:32,721 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:05:32,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-17 12:05:32,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 12:05:32,934 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-17 12:05:32,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:05:32,934 INFO L85 PathProgramCache]: Analyzing trace with hash 2014835433, now seen corresponding path program 2 times [2021-11-17 12:05:32,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:05:32,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6430650] [2021-11-17 12:05:32,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:05:32,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:05:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:05:33,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-17 12:05:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:05:33,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:05:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:05:33,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:05:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:05:33,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-17 12:05:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:05:33,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:05:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:05:33,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:05:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:05:33,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:05:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:05:33,660 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-17 12:05:33,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:05:33,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6430650] [2021-11-17 12:05:33,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6430650] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:05:33,661 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:05:33,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:05:33,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597172295] [2021-11-17 12:05:33,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:05:33,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:05:33,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:05:33,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:05:33,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:05:33,662 INFO L87 Difference]: Start difference. First operand 5946 states and 8371 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-17 12:05:35,746 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:05:43,870 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:05:47,862 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:06:08,696 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:06:25,949 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:07:31,167 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:07:33,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:07:36,287 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:07:38,646 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:07:41,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:07:41,075 INFO L93 Difference]: Finished difference Result 13437 states and 19505 transitions. [2021-11-17 12:07:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 12:07:41,076 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 70 [2021-11-17 12:07:41,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:07:41,125 INFO L225 Difference]: With dead ends: 13437 [2021-11-17 12:07:41,126 INFO L226 Difference]: Without dead ends: 13435 [2021-11-17 12:07:41,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-17 12:07:41,132 INFO L933 BasicCegarLoop]: 8986 mSDtfsCounter, 11836 mSDsluCounter, 26271 mSDsCounter, 0 mSdLazyCounter, 11242 mSolverCounterSat, 4790 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 119.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12979 SdHoareTripleChecker+Valid, 35257 SdHoareTripleChecker+Invalid, 16041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 4790 IncrementalHoareTripleChecker+Valid, 11242 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 125.4s IncrementalHoareTripleChecker+Time [2021-11-17 12:07:41,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12979 Valid, 35257 Invalid, 16041 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [4790 Valid, 11242 Invalid, 9 Unknown, 0 Unchecked, 125.4s Time] [2021-11-17 12:07:41,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13435 states. [2021-11-17 12:07:41,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13435 to 12634. [2021-11-17 12:07:41,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12634 states, 8978 states have (on average 1.316217420360882) internal successors, (11817), 9225 states have internal predecessors, (11817), 2923 states have call successors, (2923), 633 states have call predecessors, (2923), 729 states have return successors, (3313), 2902 states have call predecessors, (3313), 2917 states have call successors, (3313) [2021-11-17 12:07:41,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12634 states to 12634 states and 18053 transitions. [2021-11-17 12:07:41,496 INFO L78 Accepts]: Start accepts. Automaton has 12634 states and 18053 transitions. Word has length 70 [2021-11-17 12:07:41,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:07:41,497 INFO L470 AbstractCegarLoop]: Abstraction has 12634 states and 18053 transitions. [2021-11-17 12:07:41,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-17 12:07:41,497 INFO L276 IsEmpty]: Start isEmpty. Operand 12634 states and 18053 transitions. [2021-11-17 12:07:41,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-17 12:07:41,498 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:07:41,498 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:07:41,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 12:07:41,499 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-17 12:07:41,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:07:41,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1073625945, now seen corresponding path program 1 times [2021-11-17 12:07:41,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:07:41,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217226247] [2021-11-17 12:07:41,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:07:41,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:07:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:07:42,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-17 12:07:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:07:42,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:07:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:07:42,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:07:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:07:42,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-17 12:07:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:07:42,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:07:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:07:42,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:07:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:07:42,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:07:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:07:42,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:07:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:07:42,154 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-17 12:07:42,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:07:42,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217226247] [2021-11-17 12:07:42,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217226247] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:07:42,155 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:07:42,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:07:42,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263392775] [2021-11-17 12:07:42,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:07:42,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:07:42,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:07:42,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:07:42,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:07:42,156 INFO L87 Difference]: Start difference. First operand 12634 states and 18053 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-17 12:07:44,240 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:07:50,398 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:07:52,444 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:07:56,542 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 12:08:18,172 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:08:36,400 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:08:54,826 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:09:07,270 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:09:10,380 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:09:12,857 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:09:15,114 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:09:16,507 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 12:09:17,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 12:09:17,249 INFO L93 Difference]: Finished difference Result 13436 states and 19507 transitions. [2021-11-17 12:09:17,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 12:09:17,250 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 75 [2021-11-17 12:09:17,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 12:09:17,308 INFO L225 Difference]: With dead ends: 13436 [2021-11-17 12:09:17,308 INFO L226 Difference]: Without dead ends: 13434 [2021-11-17 12:09:17,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 12:09:17,314 INFO L933 BasicCegarLoop]: 7657 mSDtfsCounter, 9643 mSDsluCounter, 16366 mSDsCounter, 0 mSdLazyCounter, 6963 mSolverCounterSat, 3200 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 88.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10404 SdHoareTripleChecker+Valid, 24023 SdHoareTripleChecker+Invalid, 10173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3200 IncrementalHoareTripleChecker+Valid, 6963 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 93.6s IncrementalHoareTripleChecker+Time [2021-11-17 12:09:17,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10404 Valid, 24023 Invalid, 10173 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3200 Valid, 6963 Invalid, 10 Unknown, 0 Unchecked, 93.6s Time] [2021-11-17 12:09:17,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13434 states. [2021-11-17 12:09:17,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13434 to 12642. [2021-11-17 12:09:17,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12642 states, 8984 states have (on average 1.3160062333036509) internal successors, (11823), 9231 states have internal predecessors, (11823), 2923 states have call successors, (2923), 635 states have call predecessors, (2923), 731 states have return successors, (3313), 2902 states have call predecessors, (3313), 2917 states have call successors, (3313) [2021-11-17 12:09:17,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12642 states to 12642 states and 18059 transitions. [2021-11-17 12:09:17,666 INFO L78 Accepts]: Start accepts. Automaton has 12642 states and 18059 transitions. Word has length 75 [2021-11-17 12:09:17,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 12:09:17,666 INFO L470 AbstractCegarLoop]: Abstraction has 12642 states and 18059 transitions. [2021-11-17 12:09:17,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-17 12:09:17,666 INFO L276 IsEmpty]: Start isEmpty. Operand 12642 states and 18059 transitions. [2021-11-17 12:09:17,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-17 12:09:17,667 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 12:09:17,667 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 12:09:17,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 12:09:17,668 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-17 12:09:17,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 12:09:17,668 INFO L85 PathProgramCache]: Analyzing trace with hash -353865367, now seen corresponding path program 1 times [2021-11-17 12:09:17,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 12:09:17,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517048817] [2021-11-17 12:09:17,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 12:09:17,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 12:09:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:09:18,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-17 12:09:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:09:18,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 12:09:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:09:18,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:09:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:09:18,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-17 12:09:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:09:18,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 12:09:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:09:18,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 12:09:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:09:18,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-17 12:09:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:09:18,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 12:09:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:09:18,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-11-17 12:09:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 12:09:18,335 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-17 12:09:18,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 12:09:18,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517048817] [2021-11-17 12:09:18,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517048817] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 12:09:18,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 12:09:18,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 12:09:18,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721424888] [2021-11-17 12:09:18,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 12:09:18,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 12:09:18,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 12:09:18,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 12:09:18,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 12:09:18,338 INFO L87 Difference]: Start difference. First operand 12642 states and 18059 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-17 12:09:20,434 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15