./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.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 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:31:56,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:31:56,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:31:56,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:31:56,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:31:56,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:31:56,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:31:56,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:31:56,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:31:56,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:31:56,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:31:56,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:31:56,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:31:56,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:31:56,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:31:56,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:31:56,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:31:56,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:31:56,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:31:56,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:31:56,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:31:56,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:31:56,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:31:56,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:31:56,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:31:56,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:31:56,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:31:56,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:31:56,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:31:56,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:31:56,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:31:56,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:31:56,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:31:56,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:31:56,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:31:56,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:31:56,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:31:56,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:31:56,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:31:56,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:31:56,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:31:56,820 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:31:56,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:31:56,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:31:56,840 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:31:56,840 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:31:56,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:31:56,841 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:31:56,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:31:56,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:31:56,842 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:31:56,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:31:56,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:31:56,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:31:56,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:31:56,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:31:56,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:31:56,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:31:56,844 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:31:56,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:31:56,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:31:56,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:31:56,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:31:56,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:31:56,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:31:56,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:31:56,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:31:56,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:31:56,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:31:56,846 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:31:56,846 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:31:56,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:31:56,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:31:56,846 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 [2021-12-22 15:31:57,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:31:57,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:31:57,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:31:57,072 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:31:57,075 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:31:57,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2021-12-22 15:31:57,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e80b7ce95/6545a70f2cbb4d498b8b5cca8d70b00a/FLAGda2428c80 [2021-12-22 15:31:57,902 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:31:57,902 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2021-12-22 15:31:57,965 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e80b7ce95/6545a70f2cbb4d498b8b5cca8d70b00a/FLAGda2428c80 [2021-12-22 15:31:58,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e80b7ce95/6545a70f2cbb4d498b8b5cca8d70b00a [2021-12-22 15:31:58,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:31:58,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:31:58,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:31:58,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:31:58,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:31:58,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:31:58" (1/1) ... [2021-12-22 15:31:58,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d40cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:31:58, skipping insertion in model container [2021-12-22 15:31:58,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:31:58" (1/1) ... [2021-12-22 15:31:58,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:31:58,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:32:01,525 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[408897,408910] [2021-12-22 15:32:01,528 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409066,409079] [2021-12-22 15:32:01,529 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409233,409246] [2021-12-22 15:32:01,531 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409401,409414] [2021-12-22 15:32:01,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:32:01,612 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:32:01,957 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[408897,408910] [2021-12-22 15:32:01,958 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409066,409079] [2021-12-22 15:32:01,958 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409233,409246] [2021-12-22 15:32:01,958 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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409401,409414] [2021-12-22 15:32:01,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:32:02,184 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:32:02,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:02 WrapperNode [2021-12-22 15:32:02,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:32:02,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:32:02,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:32:02,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:32:02,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:02" (1/1) ... [2021-12-22 15:32:02,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:02" (1/1) ... [2021-12-22 15:32:02,478 INFO L137 Inliner]: procedures = 572, calls = 2923, calls flagged for inlining = 287, calls inlined = 255, statements flattened = 6555 [2021-12-22 15:32:02,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:32:02,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:32:02,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:32:02,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:32:02,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:02" (1/1) ... [2021-12-22 15:32:02,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:02" (1/1) ... [2021-12-22 15:32:02,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:02" (1/1) ... [2021-12-22 15:32:02,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:02" (1/1) ... [2021-12-22 15:32:02,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:02" (1/1) ... [2021-12-22 15:32:02,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:02" (1/1) ... [2021-12-22 15:32:02,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:02" (1/1) ... [2021-12-22 15:32:02,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:32:02,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:32:02,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:32:02,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:32:02,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:02" (1/1) ... [2021-12-22 15:32:02,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:32:02,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:32:02,772 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) [2021-12-22 15:32:02,793 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 [2021-12-22 15:32:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_link_speed [2021-12-22 15:32:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_link_speed [2021-12-22 15:32:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2021-12-22 15:32:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2021-12-22 15:32:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 15:32:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 15:32:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:32:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:32:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-22 15:32:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-22 15:32:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-22 15:32:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-22 15:32:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_close [2021-12-22 15:32:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_close [2021-12-22 15:32:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:32:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:32:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-22 15:32:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-22 15:32:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-12-22 15:32:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-12-22 15:32:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:32:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:32:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure ql_this_adapter_controls_port [2021-12-22 15:32:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_this_adapter_controls_port [2021-12-22 15:32:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_interrupts [2021-12-22 15:32:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_interrupts [2021-12-22 15:32:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:32:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:32:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:32:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:32:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2021-12-22 15:32:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2021-12-22 15:32:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg_l [2021-12-22 15:32:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg_l [2021-12-22 15:32:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_send_free_list [2021-12-22 15:32:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_send_free_list [2021-12-22 15:32:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-22 15:32:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-22 15:32:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:32:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:32:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-12-22 15:32:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-12-22 15:32:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cycle_adapter [2021-12-22 15:32:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cycle_adapter [2021-12-22 15:32:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:32:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:32:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mac_cfg_soft_reset [2021-12-22 15:32:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mac_cfg_soft_reset [2021-12-22 15:32:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:32:02,821 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:32:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 15:32:02,823 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 15:32:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_disable_scan_mode [2021-12-22 15:32:02,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_disable_scan_mode [2021-12-22 15:32:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:32:02,824 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:32:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:32:02,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:32:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-22 15:32:02,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-22 15:32:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:32:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 15:32:02,825 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 15:32:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg_l [2021-12-22 15:32:02,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg_l [2021-12-22 15:32:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-12-22 15:32:02,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-12-22 15:32:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:32:02,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:32:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-22 15:32:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-22 15:32:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:32:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:32:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:32:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:32:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:32:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:32:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:32:02,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:32:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page1_reg [2021-12-22 15:32:02,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page1_reg [2021-12-22 15:32:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:32:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:32:02,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:32:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:32:02,829 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:32:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-22 15:32:02,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-22 15:32:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:32:02,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:32:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:32:02,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:32:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-22 15:32:02,831 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-22 15:32:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-22 15:32:02,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-22 15:32:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2021-12-22 15:32:02,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2021-12-22 15:32:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_register_page [2021-12-22 15:32:02,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_register_page [2021-12-22 15:32:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-22 15:32:02,832 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-22 15:32:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg_ex [2021-12-22 15:32:02,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg_ex [2021-12-22 15:32:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure ql_phy_init_ex [2021-12-22 15:32:02,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_phy_init_ex [2021-12-22 15:32:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:32:02,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:32:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg_l [2021-12-22 15:32:02,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg_l [2021-12-22 15:32:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:32:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg [2021-12-22 15:32:02,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg [2021-12-22 15:32:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:32:02,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:32:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:32:02,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:32:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-22 15:32:02,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-22 15:32:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-12-22 15:32:02,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-12-22 15:32:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page2_reg [2021-12-22 15:32:02,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page2_reg [2021-12-22 15:32:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:32:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg [2021-12-22 15:32:02,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg [2021-12-22 15:32:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:32:02,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:32:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:32:02,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:32:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:32:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg [2021-12-22 15:32:02,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg [2021-12-22 15:32:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:32:02,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:32:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-12-22 15:32:02,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-12-22 15:32:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:32:02,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:32:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 15:32:02,837 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 15:32:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_nvram_reg [2021-12-22 15:32:02,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_nvram_reg [2021-12-22 15:32:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-22 15:32:02,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-22 15:32:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-22 15:32:02,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-22 15:32:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-22 15:32:02,838 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-22 15:32:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:32:02,838 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:32:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_drvr_lock [2021-12-22 15:32:02,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_drvr_lock [2021-12-22 15:32:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:32:02,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:32:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-22 15:32:02,839 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-22 15:32:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_enable_scan_mode [2021-12-22 15:32:02,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_enable_scan_mode [2021-12-22 15:32:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-22 15:32:02,840 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-22 15:32:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 15:32:02,840 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 15:32:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:32:02,840 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:32:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:32:02,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:32:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_mii_ready [2021-12-22 15:32:02,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_mii_ready [2021-12-22 15:32:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 15:32:02,841 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 15:32:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_large_buffers [2021-12-22 15:32:02,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_large_buffers [2021-12-22 15:32:02,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:32:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:32:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:32:02,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:32:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:32:02,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:32:02,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:32:02,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:32:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 15:32:02,843 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 15:32:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-12-22 15:32:02,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-12-22 15:32:02,843 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-22 15:32:02,845 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-22 15:32:02,845 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-22 15:32:02,845 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-22 15:32:02,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-22 15:32:02,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-22 15:32:02,845 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg [2021-12-22 15:32:02,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg [2021-12-22 15:32:02,845 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-22 15:32:02,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-22 15:32:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure PHY_Setup [2021-12-22 15:32:02,846 INFO L138 BoogieDeclarations]: Found implementation of procedure PHY_Setup [2021-12-22 15:32:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:32:02,846 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:32:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_buffer_queues [2021-12-22 15:32:02,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_buffer_queues [2021-12-22 15:32:02,846 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:32:02,847 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:32:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-22 15:32:02,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-22 15:32:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-22 15:32:02,847 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-22 15:32:02,847 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_remove [2021-12-22 15:32:02,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_remove [2021-12-22 15:32:02,848 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 15:32:02,848 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 15:32:02,848 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-22 15:32:02,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-22 15:32:02,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:32:02,848 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:32:02,848 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:32:02,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:32:02,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:32:02,849 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:32:02,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:32:02,849 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-22 15:32:02,849 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-22 15:32:02,849 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:32:02,849 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:32:02,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:32:02,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:32:02,850 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-22 15:32:02,850 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-22 15:32:02,850 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page0_reg [2021-12-22 15:32:02,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page0_reg [2021-12-22 15:32:02,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-22 15:32:02,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-22 15:32:02,850 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-22 15:32:02,851 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-22 15:32:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_link_full_dup [2021-12-22 15:32:02,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_link_full_dup [2021-12-22 15:32:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_open [2021-12-22 15:32:02,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_open [2021-12-22 15:32:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:32:02,851 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:32:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_tx_timeout [2021-12-22 15:32:02,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_tx_timeout [2021-12-22 15:32:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure ql_supported_modes [2021-12-22 15:32:02,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_supported_modes [2021-12-22 15:32:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-22 15:32:02,852 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-22 15:32:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:32:02,852 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:32:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_fiber [2021-12-22 15:32:02,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_fiber [2021-12-22 15:32:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-22 15:32:02,853 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-22 15:32:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:32:02,853 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:32:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_net_req_rsp_queues [2021-12-22 15:32:02,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_net_req_rsp_queues [2021-12-22 15:32:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:32:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:32:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:32:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg_ex [2021-12-22 15:32:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg_ex [2021-12-22 15:32:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-12-22 15:32:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-12-22 15:32:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 15:32:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 15:32:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure ql_port_start [2021-12-22 15:32:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_port_start [2021-12-22 15:32:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-22 15:32:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-22 15:32:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_auto_cfg_status [2021-12-22 15:32:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_auto_cfg_status [2021-12-22 15:32:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg [2021-12-22 15:32:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg [2021-12-22 15:32:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:32:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:32:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 15:32:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 15:32:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-22 15:32:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-22 15:32:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-22 15:32:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-22 15:32:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 15:32:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 15:32:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-12-22 15:32:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:32:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-12-22 15:32:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-12-22 15:32:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:32:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:32:03,775 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:32:03,778 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:32:03,993 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:32:07,395 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:32:07,482 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:32:07,509 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:32:07,509 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:32:07,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:32:07 BoogieIcfgContainer [2021-12-22 15:32:07,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:32:07,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:32:07,515 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:32:07,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:32:07,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:31:58" (1/3) ... [2021-12-22 15:32:07,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e0166c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:32:07, skipping insertion in model container [2021-12-22 15:32:07,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:32:02" (2/3) ... [2021-12-22 15:32:07,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e0166c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:32:07, skipping insertion in model container [2021-12-22 15:32:07,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:32:07" (3/3) ... [2021-12-22 15:32:07,520 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2021-12-22 15:32:07,528 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:32:07,529 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-22 15:32:07,584 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:32:07,592 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 [2021-12-22 15:32:07,592 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-22 15:32:07,664 INFO L276 IsEmpty]: Start isEmpty. Operand has 2500 states, 1648 states have (on average 1.258495145631068) internal successors, (2074), 1699 states have internal predecessors, (2074), 714 states have call successors, (714), 136 states have call predecessors, (714), 135 states have return successors, (709), 694 states have call predecessors, (709), 709 states have call successors, (709) [2021-12-22 15:32:07,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-22 15:32:07,682 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:32:07,683 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:32:07,683 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)] === [2021-12-22 15:32:07,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:32:07,688 INFO L85 PathProgramCache]: Analyzing trace with hash 99291340, now seen corresponding path program 1 times [2021-12-22 15:32:07,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:32:07,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853491825] [2021-12-22 15:32:07,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:32:07,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:32:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:08,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:32:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:08,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:08,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:32:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:08,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:08,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:32:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:08,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:08,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:32:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:08,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:08,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:32:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:08,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:08,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:32:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:08,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:08,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:08,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:32:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:08,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:08,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:32:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:08,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:08,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:32:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:08,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:32:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:08,456 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-22 15:32:08,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:32:08,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853491825] [2021-12-22 15:32:08,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853491825] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:32:08,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:32:08,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:32:08,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938082735] [2021-12-22 15:32:08,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:32:08,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:32:08,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:32:08,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:32:08,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:32:08,502 INFO L87 Difference]: Start difference. First operand has 2500 states, 1648 states have (on average 1.258495145631068) internal successors, (2074), 1699 states have internal predecessors, (2074), 714 states have call successors, (714), 136 states have call predecessors, (714), 135 states have return successors, (709), 694 states have call predecessors, (709), 709 states have call successors, (709) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-22 15:32:15,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:32:15,654 INFO L93 Difference]: Finished difference Result 8287 states and 11980 transitions. [2021-12-22 15:32:15,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:32:15,656 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 112 [2021-12-22 15:32:15,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:32:15,722 INFO L225 Difference]: With dead ends: 8287 [2021-12-22 15:32:15,723 INFO L226 Difference]: Without dead ends: 5798 [2021-12-22 15:32:15,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:32:15,754 INFO L933 BasicCegarLoop]: 3679 mSDtfsCounter, 5197 mSDsluCounter, 3678 mSDsCounter, 0 mSdLazyCounter, 2932 mSolverCounterSat, 2858 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5987 SdHoareTripleChecker+Valid, 7357 SdHoareTripleChecker+Invalid, 5790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2858 IncrementalHoareTripleChecker+Valid, 2932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2021-12-22 15:32:15,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5987 Valid, 7357 Invalid, 5790 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2858 Valid, 2932 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2021-12-22 15:32:15,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5798 states. [2021-12-22 15:32:16,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5798 to 4890. [2021-12-22 15:32:16,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4890 states, 3236 states have (on average 1.2533992583436342) internal successors, (4056), 3336 states have internal predecessors, (4056), 1384 states have call successors, (1384), 268 states have call predecessors, (1384), 267 states have return successors, (1381), 1351 states have call predecessors, (1381), 1381 states have call successors, (1381) [2021-12-22 15:32:16,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4890 states to 4890 states and 6821 transitions. [2021-12-22 15:32:16,127 INFO L78 Accepts]: Start accepts. Automaton has 4890 states and 6821 transitions. Word has length 112 [2021-12-22 15:32:16,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:32:16,128 INFO L470 AbstractCegarLoop]: Abstraction has 4890 states and 6821 transitions. [2021-12-22 15:32:16,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-22 15:32:16,129 INFO L276 IsEmpty]: Start isEmpty. Operand 4890 states and 6821 transitions. [2021-12-22 15:32:16,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-12-22 15:32:16,133 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:32:16,133 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:32:16,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:32:16,134 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)] === [2021-12-22 15:32:16,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:32:16,135 INFO L85 PathProgramCache]: Analyzing trace with hash 264932796, now seen corresponding path program 1 times [2021-12-22 15:32:16,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:32:16,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230691973] [2021-12-22 15:32:16,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:32:16,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:32:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:32:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:32:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:32:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:32:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:32:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:32:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:32:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:32:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:32:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:16,443 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-22 15:32:16,444 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:32:16,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230691973] [2021-12-22 15:32:16,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230691973] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:32:16,444 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:32:16,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:32:16,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071401390] [2021-12-22 15:32:16,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:32:16,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:32:16,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:32:16,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:32:16,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:32:16,447 INFO L87 Difference]: Start difference. First operand 4890 states and 6821 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-22 15:32:26,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:32:26,282 INFO L93 Difference]: Finished difference Result 11607 states and 16141 transitions. [2021-12-22 15:32:26,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 15:32:26,283 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 117 [2021-12-22 15:32:26,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:32:26,330 INFO L225 Difference]: With dead ends: 11607 [2021-12-22 15:32:26,330 INFO L226 Difference]: Without dead ends: 6738 [2021-12-22 15:32:26,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:32:26,358 INFO L933 BasicCegarLoop]: 4045 mSDtfsCounter, 9640 mSDsluCounter, 6261 mSDsCounter, 0 mSdLazyCounter, 7228 mSolverCounterSat, 5886 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10616 SdHoareTripleChecker+Valid, 10306 SdHoareTripleChecker+Invalid, 13114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5886 IncrementalHoareTripleChecker+Valid, 7228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2021-12-22 15:32:26,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10616 Valid, 10306 Invalid, 13114 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5886 Valid, 7228 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2021-12-22 15:32:26,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6738 states. [2021-12-22 15:32:26,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6738 to 5900. [2021-12-22 15:32:26,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5900 states, 3936 states have (on average 1.2398373983739837) internal successors, (4880), 4036 states have internal predecessors, (4880), 1581 states have call successors, (1581), 381 states have call predecessors, (1581), 380 states have return successors, (1578), 1554 states have call predecessors, (1578), 1578 states have call successors, (1578) [2021-12-22 15:32:26,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5900 states to 5900 states and 8039 transitions. [2021-12-22 15:32:26,615 INFO L78 Accepts]: Start accepts. Automaton has 5900 states and 8039 transitions. Word has length 117 [2021-12-22 15:32:26,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:32:26,617 INFO L470 AbstractCegarLoop]: Abstraction has 5900 states and 8039 transitions. [2021-12-22 15:32:26,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-22 15:32:26,617 INFO L276 IsEmpty]: Start isEmpty. Operand 5900 states and 8039 transitions. [2021-12-22 15:32:26,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-22 15:32:26,619 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:32:26,620 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:32:26,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:32:26,620 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)] === [2021-12-22 15:32:26,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:32:26,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1281227428, now seen corresponding path program 1 times [2021-12-22 15:32:26,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:32:26,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984733568] [2021-12-22 15:32:26,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:32:26,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:32:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:26,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:32:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:26,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:26,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:32:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:26,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:26,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:32:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:26,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:26,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:32:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:26,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:26,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:32:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:26,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:26,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:32:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:26,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:26,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:32:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:26,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:26,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:32:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:26,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:26,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:32:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:26,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 15:32:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:26,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-22 15:32:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:26,969 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-22 15:32:26,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:32:26,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984733568] [2021-12-22 15:32:26,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984733568] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:32:26,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:32:26,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:32:26,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499071031] [2021-12-22 15:32:26,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:32:26,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:32:26,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:32:26,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:32:26,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:32:26,975 INFO L87 Difference]: Start difference. First operand 5900 states and 8039 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-22 15:32:32,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:32:32,851 INFO L93 Difference]: Finished difference Result 17328 states and 23904 transitions. [2021-12-22 15:32:32,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:32:32,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 120 [2021-12-22 15:32:32,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:32:32,913 INFO L225 Difference]: With dead ends: 17328 [2021-12-22 15:32:32,913 INFO L226 Difference]: Without dead ends: 11449 [2021-12-22 15:32:32,936 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:32:32,938 INFO L933 BasicCegarLoop]: 3980 mSDtfsCounter, 4885 mSDsluCounter, 3681 mSDsCounter, 0 mSdLazyCounter, 2746 mSolverCounterSat, 2723 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5611 SdHoareTripleChecker+Valid, 7661 SdHoareTripleChecker+Invalid, 5469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2723 IncrementalHoareTripleChecker+Valid, 2746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-12-22 15:32:32,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5611 Valid, 7661 Invalid, 5469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2723 Valid, 2746 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2021-12-22 15:32:32,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11449 states. [2021-12-22 15:32:33,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11449 to 10062. [2021-12-22 15:32:33,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10062 states, 6714 states have (on average 1.241733690795353) internal successors, (8337), 6893 states have internal predecessors, (8337), 2689 states have call successors, (2689), 664 states have call predecessors, (2689), 656 states have return successors, (2705), 2625 states have call predecessors, (2705), 2686 states have call successors, (2705) [2021-12-22 15:32:33,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10062 states to 10062 states and 13731 transitions. [2021-12-22 15:32:33,391 INFO L78 Accepts]: Start accepts. Automaton has 10062 states and 13731 transitions. Word has length 120 [2021-12-22 15:32:33,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:32:33,392 INFO L470 AbstractCegarLoop]: Abstraction has 10062 states and 13731 transitions. [2021-12-22 15:32:33,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-22 15:32:33,393 INFO L276 IsEmpty]: Start isEmpty. Operand 10062 states and 13731 transitions. [2021-12-22 15:32:33,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-12-22 15:32:33,395 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:32:33,395 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:32:33,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:32:33,396 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)] === [2021-12-22 15:32:33,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:32:33,403 INFO L85 PathProgramCache]: Analyzing trace with hash -793690128, now seen corresponding path program 1 times [2021-12-22 15:32:33,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:32:33,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849394416] [2021-12-22 15:32:33,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:32:33,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:32:33,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:33,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:32:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:33,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:33,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:32:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:33,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:33,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:32:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:33,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:33,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:32:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:33,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:33,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:32:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:33,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:33,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:32:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:33,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:33,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:32:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:33,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:33,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:32:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:33,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:33,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:32:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:33,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-22 15:32:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:33,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 15:32:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:33,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:32:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:33,696 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-22 15:32:33,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:32:33,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849394416] [2021-12-22 15:32:33,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849394416] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:32:33,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:32:33,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:32:33,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182170856] [2021-12-22 15:32:33,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:32:33,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:32:33,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:32:33,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:32:33,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:32:33,700 INFO L87 Difference]: Start difference. First operand 10062 states and 13731 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-12-22 15:32:44,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:32:44,844 INFO L93 Difference]: Finished difference Result 32340 states and 47317 transitions. [2021-12-22 15:32:44,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 15:32:44,845 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 135 [2021-12-22 15:32:44,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:32:44,979 INFO L225 Difference]: With dead ends: 32340 [2021-12-22 15:32:44,979 INFO L226 Difference]: Without dead ends: 22299 [2021-12-22 15:32:45,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:32:45,034 INFO L933 BasicCegarLoop]: 3716 mSDtfsCounter, 7587 mSDsluCounter, 4878 mSDsCounter, 0 mSdLazyCounter, 5937 mSolverCounterSat, 6632 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8320 SdHoareTripleChecker+Valid, 8594 SdHoareTripleChecker+Invalid, 12569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6632 IncrementalHoareTripleChecker+Valid, 5937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2021-12-22 15:32:45,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8320 Valid, 8594 Invalid, 12569 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6632 Valid, 5937 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2021-12-22 15:32:45,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22299 states. [2021-12-22 15:32:45,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22299 to 16524. [2021-12-22 15:32:45,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16524 states, 10901 states have (on average 1.2397945142647464) internal successors, (13515), 11258 states have internal predecessors, (13515), 4570 states have call successors, (4570), 1055 states have call predecessors, (4570), 1050 states have return successors, (4647), 4446 states have call predecessors, (4647), 4567 states have call successors, (4647) [2021-12-22 15:32:45,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16524 states to 16524 states and 22732 transitions. [2021-12-22 15:32:46,001 INFO L78 Accepts]: Start accepts. Automaton has 16524 states and 22732 transitions. Word has length 135 [2021-12-22 15:32:46,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:32:46,003 INFO L470 AbstractCegarLoop]: Abstraction has 16524 states and 22732 transitions. [2021-12-22 15:32:46,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2021-12-22 15:32:46,003 INFO L276 IsEmpty]: Start isEmpty. Operand 16524 states and 22732 transitions. [2021-12-22 15:32:46,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-22 15:32:46,006 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:32:46,006 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:32:46,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 15:32:46,007 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:32:46,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:32:46,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1610791070, now seen corresponding path program 1 times [2021-12-22 15:32:46,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:32:46,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017269774] [2021-12-22 15:32:46,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:32:46,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:32:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:32:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:32:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:32:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:32:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:32:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:32:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:32:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:32:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:32:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 15:32:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-22 15:32:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-22 15:32:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 15:32:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:32:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-22 15:32:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-22 15:32:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-22 15:32:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:32:46,392 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-12-22 15:32:46,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:32:46,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017269774] [2021-12-22 15:32:46,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017269774] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:32:46,393 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:32:46,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:32:46,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044734484] [2021-12-22 15:32:46,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:32:46,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:32:46,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:32:46,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:32:46,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:32:46,395 INFO L87 Difference]: Start difference. First operand 16524 states and 22732 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17)