./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.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 eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 05:12:39,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 05:12:39,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 05:12:39,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 05:12:39,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 05:12:39,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 05:12:39,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 05:12:39,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 05:12:39,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 05:12:39,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 05:12:39,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 05:12:39,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 05:12:39,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 05:12:39,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 05:12:39,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 05:12:39,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 05:12:39,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 05:12:39,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 05:12:39,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 05:12:39,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 05:12:39,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 05:12:39,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 05:12:39,988 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 05:12:39,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 05:12:39,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 05:12:39,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 05:12:39,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 05:12:39,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 05:12:39,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 05:12:39,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 05:12:39,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 05:12:39,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 05:12:39,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 05:12:39,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 05:12:39,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 05:12:39,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 05:12:39,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 05:12:39,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 05:12:39,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 05:12:39,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 05:12:39,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 05:12:40,000 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 05:12:40,028 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 05:12:40,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 05:12:40,029 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 05:12:40,029 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 05:12:40,029 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 05:12:40,029 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 05:12:40,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 05:12:40,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 05:12:40,030 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 05:12:40,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 05:12:40,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 05:12:40,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 05:12:40,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 05:12:40,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 05:12:40,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 05:12:40,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 05:12:40,032 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 05:12:40,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 05:12:40,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 05:12:40,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 05:12:40,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 05:12:40,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 05:12:40,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 05:12:40,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 05:12:40,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 05:12:40,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 05:12:40,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 05:12:40,035 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 05:12:40,035 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 05:12:40,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 05:12:40,036 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 05:12:40,036 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c [2021-12-16 05:12:40,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 05:12:40,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 05:12:40,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 05:12:40,243 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 05:12:40,243 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 05:12:40,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-12-16 05:12:40,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aac613f66/6b8a9a0965884db78b13d51115d03f6e/FLAGb470f7e53 [2021-12-16 05:12:40,996 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 05:12:40,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-12-16 05:12:41,051 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aac613f66/6b8a9a0965884db78b13d51115d03f6e/FLAGb470f7e53 [2021-12-16 05:12:41,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aac613f66/6b8a9a0965884db78b13d51115d03f6e [2021-12-16 05:12:41,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 05:12:41,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 05:12:41,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 05:12:41,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 05:12:41,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 05:12:41,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:12:41" (1/1) ... [2021-12-16 05:12:41,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c078e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:41, skipping insertion in model container [2021-12-16 05:12:41,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:12:41" (1/1) ... [2021-12-16 05:12:41,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 05:12:41,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 05:12:44,660 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2021-12-16 05:12:44,663 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2021-12-16 05:12:44,663 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2021-12-16 05:12:44,664 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2021-12-16 05:12:44,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:12:44,739 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 05:12:45,020 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2021-12-16 05:12:45,021 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2021-12-16 05:12:45,021 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2021-12-16 05:12:45,021 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2021-12-16 05:12:45,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:12:45,179 INFO L208 MainTranslator]: Completed translation [2021-12-16 05:12:45,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:45 WrapperNode [2021-12-16 05:12:45,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 05:12:45,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 05:12:45,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 05:12:45,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 05:12:45,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:45" (1/1) ... [2021-12-16 05:12:45,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:45" (1/1) ... [2021-12-16 05:12:45,527 INFO L137 Inliner]: procedures = 566, calls = 4373, calls flagged for inlining = 270, calls inlined = 248, statements flattened = 8973 [2021-12-16 05:12:45,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 05:12:45,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 05:12:45,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 05:12:45,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 05:12:45,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:45" (1/1) ... [2021-12-16 05:12:45,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:45" (1/1) ... [2021-12-16 05:12:45,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:45" (1/1) ... [2021-12-16 05:12:45,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:45" (1/1) ... [2021-12-16 05:12:45,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:45" (1/1) ... [2021-12-16 05:12:45,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:45" (1/1) ... [2021-12-16 05:12:45,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:45" (1/1) ... [2021-12-16 05:12:45,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 05:12:45,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 05:12:45,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 05:12:45,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 05:12:45,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:45" (1/1) ... [2021-12-16 05:12:45,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 05:12:45,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 05:12:45,909 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) [2021-12-16 05:12:45,926 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 [2021-12-16 05:12:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-16 05:12:45,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-16 05:12:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 05:12:45,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 05:12:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-16 05:12:45,937 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-16 05:12:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-16 05:12:45,938 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-16 05:12:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2021-12-16 05:12:45,938 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2021-12-16 05:12:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-16 05:12:45,938 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-16 05:12:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2021-12-16 05:12:45,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2021-12-16 05:12:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 05:12:45,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 05:12:45,939 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-16 05:12:45,939 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-16 05:12:45,939 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2021-12-16 05:12:45,939 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2021-12-16 05:12:45,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_82 [2021-12-16 05:12:45,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_82 [2021-12-16 05:12:45,939 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2021-12-16 05:12:45,939 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2021-12-16 05:12:45,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-16 05:12:45,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-16 05:12:45,940 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-16 05:12:45,940 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-16 05:12:45,940 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2021-12-16 05:12:45,940 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2021-12-16 05:12:45,940 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-16 05:12:45,941 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-16 05:12:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-16 05:12:45,941 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-16 05:12:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-12-16 05:12:45,941 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-12-16 05:12:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2021-12-16 05:12:45,941 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2021-12-16 05:12:45,942 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-16 05:12:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-16 05:12:45,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2021-12-16 05:12:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2021-12-16 05:12:45,942 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-16 05:12:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-16 05:12:45,942 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 05:12:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 05:12:45,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-12-16 05:12:45,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-12-16 05:12:45,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2021-12-16 05:12:45,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2021-12-16 05:12:45,943 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2021-12-16 05:12:45,944 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2021-12-16 05:12:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-16 05:12:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-16 05:12:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-16 05:12:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-16 05:12:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-16 05:12:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-16 05:12:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-16 05:12:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-16 05:12:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-16 05:12:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-16 05:12:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-16 05:12:45,946 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-12-16 05:12:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-16 05:12:45,946 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-16 05:12:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 05:12:45,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 05:12:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-16 05:12:45,946 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-16 05:12:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 05:12:45,947 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 05:12:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-16 05:12:45,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-16 05:12:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 05:12:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-12-16 05:12:45,948 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-12-16 05:12:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-16 05:12:45,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-16 05:12:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-16 05:12:45,948 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-16 05:12:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-16 05:12:45,948 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-16 05:12:45,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 05:12:45,949 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2021-12-16 05:12:45,949 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2021-12-16 05:12:45,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-16 05:12:45,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-16 05:12:45,949 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2021-12-16 05:12:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2021-12-16 05:12:45,950 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-16 05:12:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-16 05:12:45,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-16 05:12:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-16 05:12:45,950 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 05:12:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 05:12:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 05:12:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-16 05:12:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-16 05:12:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 05:12:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2021-12-16 05:12:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2021-12-16 05:12:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-16 05:12:45,951 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-16 05:12:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-16 05:12:45,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-16 05:12:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 05:12:45,952 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 05:12:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-16 05:12:45,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-16 05:12:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-16 05:12:45,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-16 05:12:45,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-16 05:12:45,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-16 05:12:45,956 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2021-12-16 05:12:45,956 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2021-12-16 05:12:45,956 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-16 05:12:45,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-16 05:12:45,957 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-12-16 05:12:45,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-12-16 05:12:45,957 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-16 05:12:45,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-16 05:12:45,962 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2021-12-16 05:12:45,962 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2021-12-16 05:12:45,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-16 05:12:45,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-16 05:12:45,962 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2021-12-16 05:12:45,962 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2021-12-16 05:12:45,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-16 05:12:45,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-16 05:12:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 05:12:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-16 05:12:45,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-16 05:12:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-12-16 05:12:45,963 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-12-16 05:12:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-16 05:12:45,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-16 05:12:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-16 05:12:45,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-16 05:12:45,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-16 05:12:45,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-16 05:12:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-16 05:12:45,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-16 05:12:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 05:12:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-16 05:12:45,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-16 05:12:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-16 05:12:45,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-16 05:12:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 05:12:45,964 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-16 05:12:45,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-16 05:12:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 05:12:45,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 05:12:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-16 05:12:45,965 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-16 05:12:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-16 05:12:45,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-16 05:12:45,965 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2021-12-16 05:12:45,965 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2021-12-16 05:12:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-16 05:12:45,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-16 05:12:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2021-12-16 05:12:45,966 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2021-12-16 05:12:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-12-16 05:12:45,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-12-16 05:12:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-16 05:12:45,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-16 05:12:45,966 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2021-12-16 05:12:45,966 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2021-12-16 05:12:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-12-16 05:12:45,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-12-16 05:12:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-16 05:12:45,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-16 05:12:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2021-12-16 05:12:45,967 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2021-12-16 05:12:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-16 05:12:45,967 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-16 05:12:45,967 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-16 05:12:45,967 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-16 05:12:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2021-12-16 05:12:45,968 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2021-12-16 05:12:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-16 05:12:45,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-16 05:12:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-12-16 05:12:45,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-12-16 05:12:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2021-12-16 05:12:45,968 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2021-12-16 05:12:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-16 05:12:45,968 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-16 05:12:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2021-12-16 05:12:45,969 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2021-12-16 05:12:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-16 05:12:45,969 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-16 05:12:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2021-12-16 05:12:45,969 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2021-12-16 05:12:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2021-12-16 05:12:45,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2021-12-16 05:12:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-16 05:12:45,969 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-16 05:12:45,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 05:12:45,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 05:12:45,970 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2021-12-16 05:12:45,970 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2021-12-16 05:12:45,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 05:12:45,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 05:12:45,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 05:12:45,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 05:12:45,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-16 05:12:45,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-16 05:12:45,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-16 05:12:45,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-16 05:12:45,971 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-12-16 05:12:45,971 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-12-16 05:12:45,971 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-16 05:12:45,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-16 05:12:45,971 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-16 05:12:45,971 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-16 05:12:45,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-16 05:12:45,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-16 05:12:45,972 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-16 05:12:45,972 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-16 05:12:45,972 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-16 05:12:45,972 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-16 05:12:45,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 05:12:45,972 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-16 05:12:45,972 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-16 05:12:45,972 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-16 05:12:45,972 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-16 05:12:45,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 05:12:45,973 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2021-12-16 05:12:45,973 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2021-12-16 05:12:45,973 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2021-12-16 05:12:45,973 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2021-12-16 05:12:45,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_81 [2021-12-16 05:12:45,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_81 [2021-12-16 05:12:45,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 05:12:45,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-16 05:12:45,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-16 05:12:45,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-16 05:12:45,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-16 05:12:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-16 05:12:45,977 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-16 05:12:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-16 05:12:45,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-16 05:12:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-16 05:12:45,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-16 05:12:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_108 [2021-12-16 05:12:45,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_108 [2021-12-16 05:12:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-16 05:12:45,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-16 05:12:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-12-16 05:12:45,979 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-12-16 05:12:45,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_89 [2021-12-16 05:12:45,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_89 [2021-12-16 05:12:45,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2021-12-16 05:12:45,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2021-12-16 05:12:45,979 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2021-12-16 05:12:45,979 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2021-12-16 05:12:45,979 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-12-16 05:12:45,979 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-12-16 05:12:45,979 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-16 05:12:45,979 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-16 05:12:45,980 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2021-12-16 05:12:45,980 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2021-12-16 05:12:45,980 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-16 05:12:45,980 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-16 05:12:45,980 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-16 05:12:45,980 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-16 05:12:45,980 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-16 05:12:45,980 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-16 05:12:45,980 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-16 05:12:45,980 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-16 05:12:45,981 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2021-12-16 05:12:45,981 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2021-12-16 05:12:45,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 05:12:45,981 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2021-12-16 05:12:45,981 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2021-12-16 05:12:45,981 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-12-16 05:12:45,981 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-12-16 05:12:45,981 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-16 05:12:45,981 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-16 05:12:45,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 05:12:45,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 05:12:45,982 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2021-12-16 05:12:45,982 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2021-12-16 05:12:45,982 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2021-12-16 05:12:45,982 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2021-12-16 05:12:45,982 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-16 05:12:45,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-16 05:12:45,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_109 [2021-12-16 05:12:45,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_109 [2021-12-16 05:12:45,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_94 [2021-12-16 05:12:45,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_94 [2021-12-16 05:12:45,983 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2021-12-16 05:12:45,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2021-12-16 05:12:45,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_90 [2021-12-16 05:12:45,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_90 [2021-12-16 05:12:45,983 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-16 05:12:45,983 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-16 05:12:45,983 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2021-12-16 05:12:45,984 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2021-12-16 05:12:45,984 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2021-12-16 05:12:45,984 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2021-12-16 05:12:45,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-16 05:12:45,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-16 05:12:45,984 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-16 05:12:45,984 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-16 05:12:45,984 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-16 05:12:45,984 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-16 05:12:45,984 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-16 05:12:45,985 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-16 05:12:45,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2021-12-16 05:12:45,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2021-12-16 05:12:45,985 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-16 05:12:45,985 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-16 05:12:45,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 05:12:45,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-16 05:12:45,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-16 05:12:45,985 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-16 05:12:45,985 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-16 05:12:46,872 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 05:12:46,875 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 05:12:47,679 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 05:12:51,158 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-16 05:12:51,284 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 05:12:51,323 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 05:12:51,323 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 05:12:51,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:12:51 BoogieIcfgContainer [2021-12-16 05:12:51,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 05:12:51,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 05:12:51,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 05:12:51,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 05:12:51,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:12:41" (1/3) ... [2021-12-16 05:12:51,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d495e4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:12:51, skipping insertion in model container [2021-12-16 05:12:51,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:12:45" (2/3) ... [2021-12-16 05:12:51,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d495e4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:12:51, skipping insertion in model container [2021-12-16 05:12:51,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:12:51" (3/3) ... [2021-12-16 05:12:51,336 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-12-16 05:12:51,340 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 05:12:51,340 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-16 05:12:51,390 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 05:12:51,395 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 [2021-12-16 05:12:51,395 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-16 05:12:51,477 INFO L276 IsEmpty]: Start isEmpty. Operand has 3105 states, 2150 states have (on average 1.34) internal successors, (2881), 2221 states have internal predecessors, (2881), 801 states have call successors, (801), 152 states have call predecessors, (801), 151 states have return successors, (792), 777 states have call predecessors, (792), 792 states have call successors, (792) [2021-12-16 05:12:51,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-16 05:12:51,492 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:12:51,493 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:12:51,493 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 05:12:51,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:12:51,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1438847336, now seen corresponding path program 1 times [2021-12-16 05:12:51,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:12:51,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821368974] [2021-12-16 05:12:51,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:12:51,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:12:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:12:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:12:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:12:52,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:12:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:12:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:12:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:12:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:12:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:12:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:12:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 05:12:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 05:12:52,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 05:12:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 05:12:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 05:12:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 05:12:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 05:12:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-16 05:12:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-16 05:12:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:52,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-16 05:12:52,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:12:52,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821368974] [2021-12-16 05:12:52,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821368974] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:12:52,687 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:12:52,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 05:12:52,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709153461] [2021-12-16 05:12:52,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:12:52,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 05:12:52,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:12:52,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 05:12:52,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 05:12:52,718 INFO L87 Difference]: Start difference. First operand has 3105 states, 2150 states have (on average 1.34) internal successors, (2881), 2221 states have internal predecessors, (2881), 801 states have call successors, (801), 152 states have call predecessors, (801), 151 states have return successors, (792), 777 states have call predecessors, (792), 792 states have call successors, (792) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-16 05:12:58,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:12:58,368 INFO L93 Difference]: Finished difference Result 9165 states and 13750 transitions. [2021-12-16 05:12:58,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 05:12:58,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 215 [2021-12-16 05:12:58,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:12:58,433 INFO L225 Difference]: With dead ends: 9165 [2021-12-16 05:12:58,433 INFO L226 Difference]: Without dead ends: 6086 [2021-12-16 05:12:58,462 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:12:58,466 INFO L933 BasicCegarLoop]: 4755 mSDtfsCounter, 4955 mSDsluCounter, 5569 mSDsCounter, 0 mSdLazyCounter, 2519 mSolverCounterSat, 2189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5660 SdHoareTripleChecker+Valid, 10324 SdHoareTripleChecker+Invalid, 4708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2189 IncrementalHoareTripleChecker+Valid, 2519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-16 05:12:58,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5660 Valid, 10324 Invalid, 4708 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2189 Valid, 2519 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-12-16 05:12:58,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6086 states. [2021-12-16 05:12:58,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6086 to 6023. [2021-12-16 05:12:58,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6023 states, 4197 states have (on average 1.3354777221825114) internal successors, (5605), 4338 states have internal predecessors, (5605), 1525 states have call successors, (1525), 299 states have call predecessors, (1525), 298 states have return successors, (1521), 1491 states have call predecessors, (1521), 1521 states have call successors, (1521) [2021-12-16 05:12:58,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6023 states to 6023 states and 8651 transitions. [2021-12-16 05:12:58,879 INFO L78 Accepts]: Start accepts. Automaton has 6023 states and 8651 transitions. Word has length 215 [2021-12-16 05:12:58,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:12:58,882 INFO L470 AbstractCegarLoop]: Abstraction has 6023 states and 8651 transitions. [2021-12-16 05:12:58,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-16 05:12:58,883 INFO L276 IsEmpty]: Start isEmpty. Operand 6023 states and 8651 transitions. [2021-12-16 05:12:58,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-12-16 05:12:58,893 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:12:58,894 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:12:58,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 05:12:58,894 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 05:12:58,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:12:58,895 INFO L85 PathProgramCache]: Analyzing trace with hash 895765712, now seen corresponding path program 1 times [2021-12-16 05:12:58,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:12:58,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169625955] [2021-12-16 05:12:58,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:12:58,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:12:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:12:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:12:59,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:12:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:12:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:12:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:12:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:12:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:12:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:12:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:12:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 05:12:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 05:12:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 05:12:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 05:12:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 05:12:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 05:12:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 05:12:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:12:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-16 05:12:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-16 05:12:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-16 05:12:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:12:59,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-16 05:12:59,487 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:12:59,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169625955] [2021-12-16 05:12:59,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169625955] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:12:59,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:12:59,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 05:12:59,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137340593] [2021-12-16 05:12:59,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:12:59,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 05:12:59,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:12:59,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 05:12:59,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 05:12:59,490 INFO L87 Difference]: Start difference. First operand 6023 states and 8651 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-16 05:13:04,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:13:04,692 INFO L93 Difference]: Finished difference Result 17779 states and 25764 transitions. [2021-12-16 05:13:04,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 05:13:04,693 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 224 [2021-12-16 05:13:04,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:13:04,773 INFO L225 Difference]: With dead ends: 17779 [2021-12-16 05:13:04,773 INFO L226 Difference]: Without dead ends: 11795 [2021-12-16 05:13:04,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:13:04,801 INFO L933 BasicCegarLoop]: 4796 mSDtfsCounter, 4855 mSDsluCounter, 5631 mSDsCounter, 0 mSdLazyCounter, 2448 mSolverCounterSat, 2259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5498 SdHoareTripleChecker+Valid, 10427 SdHoareTripleChecker+Invalid, 4707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2259 IncrementalHoareTripleChecker+Valid, 2448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-16 05:13:04,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5498 Valid, 10427 Invalid, 4707 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2259 Valid, 2448 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-12-16 05:13:04,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11795 states. [2021-12-16 05:13:05,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11795 to 11658. [2021-12-16 05:13:05,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11658 states, 8143 states have (on average 1.3336608129681935) internal successors, (10860), 8414 states have internal predecessors, (10860), 2920 states have call successors, (2920), 592 states have call predecessors, (2920), 592 states have return successors, (3039), 2845 states have call predecessors, (3039), 2916 states have call successors, (3039) [2021-12-16 05:13:05,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11658 states to 11658 states and 16819 transitions. [2021-12-16 05:13:05,228 INFO L78 Accepts]: Start accepts. Automaton has 11658 states and 16819 transitions. Word has length 224 [2021-12-16 05:13:05,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:13:05,230 INFO L470 AbstractCegarLoop]: Abstraction has 11658 states and 16819 transitions. [2021-12-16 05:13:05,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-16 05:13:05,231 INFO L276 IsEmpty]: Start isEmpty. Operand 11658 states and 16819 transitions. [2021-12-16 05:13:05,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-12-16 05:13:05,236 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:13:05,236 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:13:05,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 05:13:05,237 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 05:13:05,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:13:05,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1464842093, now seen corresponding path program 1 times [2021-12-16 05:13:05,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:13:05,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630822301] [2021-12-16 05:13:05,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:13:05,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:13:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:13:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:13:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:13:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:13:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:13:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:13:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:13:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:13:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:13:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:13:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 05:13:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 05:13:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 05:13:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 05:13:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 05:13:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 05:13:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 05:13:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-16 05:13:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 05:13:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-16 05:13:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-16 05:13:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:05,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-16 05:13:05,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:13:05,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630822301] [2021-12-16 05:13:05,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630822301] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:13:05,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:13:05,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 05:13:05,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887211793] [2021-12-16 05:13:05,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:13:05,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 05:13:05,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:13:05,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 05:13:05,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 05:13:05,790 INFO L87 Difference]: Start difference. First operand 11658 states and 16819 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-16 05:13:11,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:13:11,108 INFO L93 Difference]: Finished difference Result 30272 states and 43695 transitions. [2021-12-16 05:13:11,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 05:13:11,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 236 [2021-12-16 05:13:11,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:13:11,216 INFO L225 Difference]: With dead ends: 30272 [2021-12-16 05:13:11,216 INFO L226 Difference]: Without dead ends: 18653 [2021-12-16 05:13:11,269 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:13:11,273 INFO L933 BasicCegarLoop]: 5198 mSDtfsCounter, 4805 mSDsluCounter, 5914 mSDsCounter, 0 mSdLazyCounter, 2575 mSolverCounterSat, 2163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5494 SdHoareTripleChecker+Valid, 11112 SdHoareTripleChecker+Invalid, 4738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2163 IncrementalHoareTripleChecker+Valid, 2575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-12-16 05:13:11,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5494 Valid, 11112 Invalid, 4738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2163 Valid, 2575 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-12-16 05:13:11,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18653 states. [2021-12-16 05:13:11,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18653 to 18434. [2021-12-16 05:13:11,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18434 states, 12821 states have (on average 1.3247796583729818) internal successors, (16985), 13248 states have internal predecessors, (16985), 4596 states have call successors, (4596), 1013 states have call predecessors, (4596), 1014 states have return successors, (4773), 4471 states have call predecessors, (4773), 4592 states have call successors, (4773) [2021-12-16 05:13:11,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18434 states to 18434 states and 26354 transitions. [2021-12-16 05:13:11,901 INFO L78 Accepts]: Start accepts. Automaton has 18434 states and 26354 transitions. Word has length 236 [2021-12-16 05:13:11,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:13:11,902 INFO L470 AbstractCegarLoop]: Abstraction has 18434 states and 26354 transitions. [2021-12-16 05:13:11,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-16 05:13:11,904 INFO L276 IsEmpty]: Start isEmpty. Operand 18434 states and 26354 transitions. [2021-12-16 05:13:11,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-12-16 05:13:11,909 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:13:11,909 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:13:11,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 05:13:11,910 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 05:13:11,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:13:11,910 INFO L85 PathProgramCache]: Analyzing trace with hash 835164612, now seen corresponding path program 1 times [2021-12-16 05:13:11,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:13:11,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595514146] [2021-12-16 05:13:11,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:13:11,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:13:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:13:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:13:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:13:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:13:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:13:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:13:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:13:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:13:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:13:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:13:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 05:13:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 05:13:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 05:13:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 05:13:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 05:13:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 05:13:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 05:13:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-16 05:13:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-16 05:13:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-16 05:13:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-16 05:13:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:12,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-16 05:13:12,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:13:12,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595514146] [2021-12-16 05:13:12,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595514146] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:13:12,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:13:12,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 05:13:12,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818895489] [2021-12-16 05:13:12,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:13:12,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 05:13:12,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:13:12,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 05:13:12,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 05:13:12,422 INFO L87 Difference]: Start difference. First operand 18434 states and 26354 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-16 05:13:17,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:13:17,640 INFO L93 Difference]: Finished difference Result 54282 states and 77873 transitions. [2021-12-16 05:13:17,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 05:13:17,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 237 [2021-12-16 05:13:17,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:13:17,838 INFO L225 Difference]: With dead ends: 54282 [2021-12-16 05:13:17,839 INFO L226 Difference]: Without dead ends: 35887 [2021-12-16 05:13:17,926 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:13:17,928 INFO L933 BasicCegarLoop]: 5623 mSDtfsCounter, 4498 mSDsluCounter, 5940 mSDsCounter, 0 mSdLazyCounter, 2634 mSolverCounterSat, 2017 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5180 SdHoareTripleChecker+Valid, 11563 SdHoareTripleChecker+Invalid, 4651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2017 IncrementalHoareTripleChecker+Valid, 2634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-16 05:13:17,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5180 Valid, 11563 Invalid, 4651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2017 Valid, 2634 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-16 05:13:17,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35887 states. [2021-12-16 05:13:19,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35887 to 35472. [2021-12-16 05:13:19,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35472 states, 24620 states have (on average 1.323842404549147) internal successors, (32593), 25466 states have internal predecessors, (32593), 8858 states have call successors, (8858), 1992 states have call predecessors, (8858), 1991 states have return successors, (9134), 8605 states have call predecessors, (9134), 8854 states have call successors, (9134) [2021-12-16 05:13:19,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35472 states to 35472 states and 50585 transitions. [2021-12-16 05:13:19,490 INFO L78 Accepts]: Start accepts. Automaton has 35472 states and 50585 transitions. Word has length 237 [2021-12-16 05:13:19,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:13:19,491 INFO L470 AbstractCegarLoop]: Abstraction has 35472 states and 50585 transitions. [2021-12-16 05:13:19,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-16 05:13:19,492 INFO L276 IsEmpty]: Start isEmpty. Operand 35472 states and 50585 transitions. [2021-12-16 05:13:19,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-12-16 05:13:19,495 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:13:19,495 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:13:19,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 05:13:19,496 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 05:13:19,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:13:19,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1650694640, now seen corresponding path program 1 times [2021-12-16 05:13:19,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:13:19,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184537427] [2021-12-16 05:13:19,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:13:19,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:13:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:13:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:13:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:13:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:13:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:13:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:13:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:13:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:13:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:13:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:13:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 05:13:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 05:13:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 05:13:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 05:13:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 05:13:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 05:13:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 05:13:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:19,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:20,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-16 05:13:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:20,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-16 05:13:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:20,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:20,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:13:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:20,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:13:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:20,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-16 05:13:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:20,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1279 trivial. 0 not checked. [2021-12-16 05:13:20,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:13:20,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184537427] [2021-12-16 05:13:20,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184537427] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:13:20,049 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:13:20,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 05:13:20,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971074623] [2021-12-16 05:13:20,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:13:20,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 05:13:20,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:13:20,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 05:13:20,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 05:13:20,051 INFO L87 Difference]: Start difference. First operand 35472 states and 50585 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-16 05:13:25,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:13:25,726 INFO L93 Difference]: Finished difference Result 93870 states and 133704 transitions. [2021-12-16 05:13:25,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 05:13:25,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 238 [2021-12-16 05:13:25,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:13:26,188 INFO L225 Difference]: With dead ends: 93870 [2021-12-16 05:13:26,188 INFO L226 Difference]: Without dead ends: 58437 [2021-12-16 05:13:26,295 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:13:26,296 INFO L933 BasicCegarLoop]: 4696 mSDtfsCounter, 4536 mSDsluCounter, 5498 mSDsCounter, 0 mSdLazyCounter, 2524 mSolverCounterSat, 2172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5191 SdHoareTripleChecker+Valid, 10194 SdHoareTripleChecker+Invalid, 4696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2172 IncrementalHoareTripleChecker+Valid, 2524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-16 05:13:26,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5191 Valid, 10194 Invalid, 4696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2172 Valid, 2524 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-16 05:13:26,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58437 states. [2021-12-16 05:13:28,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58437 to 57712. [2021-12-16 05:13:28,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57712 states, 39860 states have (on average 1.3190918213748117) internal successors, (52579), 41188 states have internal predecessors, (52579), 14328 states have call successors, (14328), 3534 states have call predecessors, (14328), 3521 states have return successors, (14806), 13889 states have call predecessors, (14806), 14324 states have call successors, (14806) [2021-12-16 05:13:28,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57712 states to 57712 states and 81713 transitions. [2021-12-16 05:13:28,512 INFO L78 Accepts]: Start accepts. Automaton has 57712 states and 81713 transitions. Word has length 238 [2021-12-16 05:13:28,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:13:28,514 INFO L470 AbstractCegarLoop]: Abstraction has 57712 states and 81713 transitions. [2021-12-16 05:13:28,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-16 05:13:28,514 INFO L276 IsEmpty]: Start isEmpty. Operand 57712 states and 81713 transitions. [2021-12-16 05:13:28,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-12-16 05:13:28,519 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:13:28,519 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:13:28,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 05:13:28,519 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 05:13:28,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:13:28,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1408952538, now seen corresponding path program 1 times [2021-12-16 05:13:28,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:13:28,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702112297] [2021-12-16 05:13:28,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:13:28,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:13:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:13:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:13:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:13:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:13:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:13:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:13:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:13:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:13:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:13:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:13:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 05:13:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 05:13:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:28,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:29,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 05:13:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:29,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:29,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 05:13:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:29,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:29,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 05:13:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:29,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:29,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 05:13:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:29,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:29,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 05:13:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:29,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:13:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:29,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-16 05:13:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:29,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-16 05:13:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:29,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-16 05:13:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:29,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-16 05:13:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:29,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-16 05:13:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:29,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-16 05:13:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:13:29,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2021-12-16 05:13:29,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:13:29,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702112297] [2021-12-16 05:13:29,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702112297] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:13:29,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:13:29,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 05:13:29,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987199755] [2021-12-16 05:13:29,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:13:29,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 05:13:29,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:13:29,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 05:13:29,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 05:13:29,090 INFO L87 Difference]: Start difference. First operand 57712 states and 81713 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24)