./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-intel-e1000-e1000.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.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 fb66474e5e41b459479f6d5b414154fee660232663143da1bc936d3f2a0049ad --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 11:04:49,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 11:04:49,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 11:04:49,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 11:04:49,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 11:04:49,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 11:04:49,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 11:04:49,114 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 11:04:49,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 11:04:49,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 11:04:49,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 11:04:49,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 11:04:49,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 11:04:49,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 11:04:49,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 11:04:49,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 11:04:49,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 11:04:49,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 11:04:49,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 11:04:49,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 11:04:49,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 11:04:49,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 11:04:49,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 11:04:49,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 11:04:49,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 11:04:49,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 11:04:49,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 11:04:49,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 11:04:49,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 11:04:49,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 11:04:49,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 11:04:49,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 11:04:49,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 11:04:49,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 11:04:49,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 11:04:49,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 11:04:49,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 11:04:49,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 11:04:49,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 11:04:49,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 11:04:49,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 11:04:49,145 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 11:04:49,164 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 11:04:49,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 11:04:49,165 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 11:04:49,165 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 11:04:49,166 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 11:04:49,166 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 11:04:49,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 11:04:49,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 11:04:49,167 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 11:04:49,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 11:04:49,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 11:04:49,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 11:04:49,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 11:04:49,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 11:04:49,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 11:04:49,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 11:04:49,169 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 11:04:49,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 11:04:49,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 11:04:49,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 11:04:49,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 11:04:49,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 11:04:49,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 11:04:49,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 11:04:49,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 11:04:49,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 11:04:49,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 11:04:49,171 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 11:04:49,171 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 11:04:49,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 11:04:49,172 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 11:04:49,172 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb66474e5e41b459479f6d5b414154fee660232663143da1bc936d3f2a0049ad [2021-12-18 11:04:49,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 11:04:49,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 11:04:49,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 11:04:49,410 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 11:04:49,411 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 11:04:49,412 INFO L432 ainManager$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-intel-e1000-e1000.cil.i [2021-12-18 11:04:49,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/506de9517/b66bf38de0074a0090977126d373ee81/FLAG0a5aea086 [2021-12-18 11:04:50,430 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 11:04:50,431 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-intel-e1000-e1000.cil.i [2021-12-18 11:04:50,531 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/506de9517/b66bf38de0074a0090977126d373ee81/FLAG0a5aea086 [2021-12-18 11:04:50,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/506de9517/b66bf38de0074a0090977126d373ee81 [2021-12-18 11:04:50,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 11:04:50,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 11:04:50,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 11:04:50,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 11:04:50,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 11:04:50,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:04:50" (1/1) ... [2021-12-18 11:04:50,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b4dcf1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:04:50, skipping insertion in model container [2021-12-18 11:04:50,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:04:50" (1/1) ... [2021-12-18 11:04:51,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 11:04:51,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 11:05:01,902 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-intel-e1000-e1000.cil.i[947955,947968] [2021-12-18 11:05:01,905 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-intel-e1000-e1000.cil.i[948124,948137] [2021-12-18 11:05:01,906 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-intel-e1000-e1000.cil.i[948291,948304] [2021-12-18 11:05:01,906 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-intel-e1000-e1000.cil.i[948459,948472] [2021-12-18 11:05:01,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 11:05:02,032 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 11:05:03,110 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-intel-e1000-e1000.cil.i[947955,947968] [2021-12-18 11:05:03,111 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-intel-e1000-e1000.cil.i[948124,948137] [2021-12-18 11:05:03,111 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-intel-e1000-e1000.cil.i[948291,948304] [2021-12-18 11:05:03,111 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-intel-e1000-e1000.cil.i[948459,948472] [2021-12-18 11:05:03,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 11:05:03,651 INFO L208 MainTranslator]: Completed translation [2021-12-18 11:05:03,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:03 WrapperNode [2021-12-18 11:05:03,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 11:05:03,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 11:05:03,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 11:05:03,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 11:05:03,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:03" (1/1) ... [2021-12-18 11:05:04,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:03" (1/1) ... [2021-12-18 11:05:04,731 INFO L137 Inliner]: procedures = 870, calls = 16491, calls flagged for inlining = 430, calls inlined = 363, statements flattened = 28933 [2021-12-18 11:05:04,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 11:05:04,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 11:05:04,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 11:05:04,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 11:05:04,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:03" (1/1) ... [2021-12-18 11:05:04,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:03" (1/1) ... [2021-12-18 11:05:04,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:03" (1/1) ... [2021-12-18 11:05:04,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:03" (1/1) ... [2021-12-18 11:05:05,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:03" (1/1) ... [2021-12-18 11:05:05,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:03" (1/1) ... [2021-12-18 11:05:05,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:03" (1/1) ... [2021-12-18 11:05:06,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 11:05:06,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 11:05:06,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 11:05:06,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 11:05:06,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:03" (1/1) ... [2021-12-18 11:05:06,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 11:05:06,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 11:05:06,092 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) [2021-12-18 11:05:06,155 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 [2021-12-18 11:05:06,215 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2021-12-18 11:05:06,215 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2021-12-18 11:05:06,215 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-18 11:05:06,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-18 11:05:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2021-12-18 11:05:06,216 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2021-12-18 11:05:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2021-12-18 11:05:06,216 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2021-12-18 11:05:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-18 11:05:06,216 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-18 11:05:06,216 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-12-18 11:05:06,217 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-12-18 11:05:06,217 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2021-12-18 11:05:06,217 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2021-12-18 11:05:06,217 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-18 11:05:06,217 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-18 11:05:06,217 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-18 11:05:06,217 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-18 11:05:06,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 11:05:06,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 11:05:06,218 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2021-12-18 11:05:06,218 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2021-12-18 11:05:06,218 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 11:05:06,218 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 11:05:06,218 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 11:05:06,219 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 11:05:06,219 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2021-12-18 11:05:06,219 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2021-12-18 11:05:06,219 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-18 11:05:06,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-18 11:05:06,219 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2021-12-18 11:05:06,219 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2021-12-18 11:05:06,220 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2021-12-18 11:05:06,220 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2021-12-18 11:05:06,220 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-18 11:05:06,220 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-18 11:05:06,221 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 11:05:06,221 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 11:05:06,221 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 11:05:06,221 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 11:05:06,221 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 11:05:06,221 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 11:05:06,221 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-18 11:05:06,222 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-18 11:05:06,222 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2021-12-18 11:05:06,222 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2021-12-18 11:05:06,222 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2021-12-18 11:05:06,222 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2021-12-18 11:05:06,222 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2021-12-18 11:05:06,222 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2021-12-18 11:05:06,223 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-18 11:05:06,223 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-18 11:05:06,239 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 11:05:06,239 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 11:05:06,240 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 11:05:06,240 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 11:05:06,240 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2021-12-18 11:05:06,240 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2021-12-18 11:05:06,240 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2021-12-18 11:05:06,240 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2021-12-18 11:05:06,240 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-18 11:05:06,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-18 11:05:06,241 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2021-12-18 11:05:06,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2021-12-18 11:05:06,241 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 11:05:06,241 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 11:05:06,241 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2021-12-18 11:05:06,242 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2021-12-18 11:05:06,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 11:05:06,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 11:05:06,242 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2021-12-18 11:05:06,242 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2021-12-18 11:05:06,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 11:05:06,242 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-12-18 11:05:06,243 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-12-18 11:05:06,243 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2021-12-18 11:05:06,243 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2021-12-18 11:05:06,243 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2021-12-18 11:05:06,243 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2021-12-18 11:05:06,243 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-18 11:05:06,243 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-18 11:05:06,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 11:05:06,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 11:05:06,244 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2021-12-18 11:05:06,244 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2021-12-18 11:05:06,244 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 11:05:06,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 11:05:06,244 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2021-12-18 11:05:06,245 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2021-12-18 11:05:06,245 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-18 11:05:06,245 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-18 11:05:06,245 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2021-12-18 11:05:06,245 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2021-12-18 11:05:06,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 11:05:06,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 11:05:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 11:05:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 11:05:06,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 11:05:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 11:05:06,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 11:05:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2021-12-18 11:05:06,247 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2021-12-18 11:05:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 11:05:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 11:05:06,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 11:05:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 11:05:06,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 11:05:06,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 11:05:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2021-12-18 11:05:06,248 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2021-12-18 11:05:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 11:05:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-18 11:05:06,248 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-18 11:05:06,248 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2021-12-18 11:05:06,249 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2021-12-18 11:05:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 11:05:06,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 11:05:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2021-12-18 11:05:06,249 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2021-12-18 11:05:06,249 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 11:05:06,249 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 11:05:06,250 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2021-12-18 11:05:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2021-12-18 11:05:06,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 11:05:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 11:05:06,250 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-12-18 11:05:06,250 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-12-18 11:05:06,250 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-18 11:05:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-18 11:05:06,251 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 11:05:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 11:05:06,251 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2021-12-18 11:05:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2021-12-18 11:05:06,251 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2021-12-18 11:05:06,251 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2021-12-18 11:05:06,252 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-18 11:05:06,252 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-18 11:05:06,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 11:05:06,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 11:05:06,252 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2021-12-18 11:05:06,252 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2021-12-18 11:05:06,252 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-12-18 11:05:06,253 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-12-18 11:05:06,253 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2021-12-18 11:05:06,253 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2021-12-18 11:05:06,253 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2021-12-18 11:05:06,253 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2021-12-18 11:05:06,253 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 11:05:06,253 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 11:05:06,253 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2021-12-18 11:05:06,254 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2021-12-18 11:05:06,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 11:05:06,254 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 11:05:06,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 11:05:06,254 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2021-12-18 11:05:06,254 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2021-12-18 11:05:06,254 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 11:05:06,255 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 11:05:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-18 11:05:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 11:05:06,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 11:05:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_resume [2021-12-18 11:05:06,255 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_resume [2021-12-18 11:05:06,255 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-18 11:05:06,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-18 11:05:06,256 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-18 11:05:06,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-18 11:05:06,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 11:05:06,256 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 11:05:06,256 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2021-12-18 11:05:06,256 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2021-12-18 11:05:06,256 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2021-12-18 11:05:06,257 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2021-12-18 11:05:06,257 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-18 11:05:06,257 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-18 11:05:06,257 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-18 11:05:06,257 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-18 11:05:06,257 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2021-12-18 11:05:06,257 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2021-12-18 11:05:06,258 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-18 11:05:06,258 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-18 11:05:06,258 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-18 11:05:06,258 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-18 11:05:06,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 11:05:06,258 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 11:05:06,258 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 11:05:06,258 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2021-12-18 11:05:06,259 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2021-12-18 11:05:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 11:05:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-12-18 11:05:06,259 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-12-18 11:05:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2021-12-18 11:05:06,259 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2021-12-18 11:05:06,259 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2021-12-18 11:05:06,260 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2021-12-18 11:05:06,260 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2021-12-18 11:05:06,260 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2021-12-18 11:05:06,260 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2021-12-18 11:05:06,260 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2021-12-18 11:05:06,260 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-18 11:05:06,260 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-18 11:05:06,261 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2021-12-18 11:05:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2021-12-18 11:05:06,275 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 11:05:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 11:05:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 11:05:06,276 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 11:05:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2021-12-18 11:05:06,276 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2021-12-18 11:05:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2021-12-18 11:05:06,276 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2021-12-18 11:05:06,276 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2021-12-18 11:05:06,277 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2021-12-18 11:05:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2021-12-18 11:05:06,277 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2021-12-18 11:05:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2021-12-18 11:05:06,277 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2021-12-18 11:05:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-18 11:05:06,277 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-18 11:05:06,277 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2021-12-18 11:05:06,278 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2021-12-18 11:05:06,278 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2021-12-18 11:05:06,278 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2021-12-18 11:05:06,278 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-18 11:05:06,278 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-18 11:05:06,278 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 11:05:06,278 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 11:05:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 11:05:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2021-12-18 11:05:06,279 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2021-12-18 11:05:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 11:05:06,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 11:05:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_88 [2021-12-18 11:05:06,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_88 [2021-12-18 11:05:06,279 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2021-12-18 11:05:06,280 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2021-12-18 11:05:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-18 11:05:06,280 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-18 11:05:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2021-12-18 11:05:06,280 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2021-12-18 11:05:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2021-12-18 11:05:06,280 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2021-12-18 11:05:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2021-12-18 11:05:06,281 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2021-12-18 11:05:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-12-18 11:05:06,281 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-12-18 11:05:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2021-12-18 11:05:06,281 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2021-12-18 11:05:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 11:05:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 11:05:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2021-12-18 11:05:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2021-12-18 11:05:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-18 11:05:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-18 11:05:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-18 11:05:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-18 11:05:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-12-18 11:05:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-18 11:05:06,283 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-18 11:05:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2021-12-18 11:05:06,283 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2021-12-18 11:05:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-18 11:05:06,283 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-18 11:05:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_91 [2021-12-18 11:05:06,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_91 [2021-12-18 11:05:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 11:05:06,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 11:05:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_82 [2021-12-18 11:05:06,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_82 [2021-12-18 11:05:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-18 11:05:06,284 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-18 11:05:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2021-12-18 11:05:06,285 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2021-12-18 11:05:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 11:05:06,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 11:05:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2021-12-18 11:05:06,285 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2021-12-18 11:05:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2021-12-18 11:05:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2021-12-18 11:05:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2021-12-18 11:05:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2021-12-18 11:05:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 11:05:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 11:05:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-12-18 11:05:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-12-18 11:05:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-18 11:05:06,287 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-18 11:05:06,287 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-18 11:05:06,287 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-18 11:05:06,287 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2021-12-18 11:05:06,287 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2021-12-18 11:05:06,287 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2021-12-18 11:05:06,287 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2021-12-18 11:05:06,288 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2021-12-18 11:05:06,288 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2021-12-18 11:05:06,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_83 [2021-12-18 11:05:06,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_83 [2021-12-18 11:05:06,288 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2021-12-18 11:05:06,288 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2021-12-18 11:05:06,288 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2021-12-18 11:05:06,288 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2021-12-18 11:05:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 11:05:06,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 11:05:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 11:05:06,289 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 11:05:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 11:05:06,289 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 11:05:06,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 11:05:06,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 11:05:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-18 11:05:06,290 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-18 11:05:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 11:05:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2021-12-18 11:05:06,290 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2021-12-18 11:05:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2021-12-18 11:05:06,290 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2021-12-18 11:05:06,291 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2021-12-18 11:05:06,291 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2021-12-18 11:05:06,291 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2021-12-18 11:05:06,291 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2021-12-18 11:05:06,291 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2021-12-18 11:05:06,291 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2021-12-18 11:05:06,291 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 11:05:06,292 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 11:05:06,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 11:05:06,292 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2021-12-18 11:05:06,292 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2021-12-18 11:05:06,292 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2021-12-18 11:05:06,292 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2021-12-18 11:05:06,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 11:05:06,292 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 11:05:06,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 11:05:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2021-12-18 11:05:06,293 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2021-12-18 11:05:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 11:05:06,293 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 11:05:06,293 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2021-12-18 11:05:06,293 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2021-12-18 11:05:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2021-12-18 11:05:06,294 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2021-12-18 11:05:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 11:05:06,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 11:05:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 11:05:06,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 11:05:06,294 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-12-18 11:05:06,294 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-12-18 11:05:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2021-12-18 11:05:06,295 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2021-12-18 11:05:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-18 11:05:06,295 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-18 11:05:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-12-18 11:05:06,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-12-18 11:05:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2021-12-18 11:05:06,296 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2021-12-18 11:05:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-18 11:05:06,296 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-18 11:05:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-18 11:05:06,296 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-18 11:05:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 11:05:06,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 11:05:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2021-12-18 11:05:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2021-12-18 11:05:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-18 11:05:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-18 11:05:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2021-12-18 11:05:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2021-12-18 11:05:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2021-12-18 11:05:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2021-12-18 11:05:06,298 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2021-12-18 11:05:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2021-12-18 11:05:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-18 11:05:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-18 11:05:06,299 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 11:05:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 11:05:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-18 11:05:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-18 11:05:06,300 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2021-12-18 11:05:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2021-12-18 11:05:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-18 11:05:06,305 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-18 11:05:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2021-12-18 11:05:06,305 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2021-12-18 11:05:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2021-12-18 11:05:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2021-12-18 11:05:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-18 11:05:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-18 11:05:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2021-12-18 11:05:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2021-12-18 11:05:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-12-18 11:05:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-12-18 11:05:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2021-12-18 11:05:06,307 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2021-12-18 11:05:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-18 11:05:06,307 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-18 11:05:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2021-12-18 11:05:06,307 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2021-12-18 11:05:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-18 11:05:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-18 11:05:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 11:05:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 11:05:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 11:05:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-18 11:05:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-18 11:05:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 11:05:06,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 11:05:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-18 11:05:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-18 11:05:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-18 11:05:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-18 11:05:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2021-12-18 11:05:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2021-12-18 11:05:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-18 11:05:06,309 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-18 11:05:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-18 11:05:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-18 11:05:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2021-12-18 11:05:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2021-12-18 11:05:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 11:05:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 11:05:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2021-12-18 11:05:06,310 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2021-12-18 11:05:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-18 11:05:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-18 11:05:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2021-12-18 11:05:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2021-12-18 11:05:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 11:05:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 11:05:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-18 11:05:06,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-18 11:05:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-18 11:05:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-18 11:05:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 11:05:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 11:05:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-18 11:05:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-18 11:05:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-12-18 11:05:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-12-18 11:05:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 11:05:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2021-12-18 11:05:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2021-12-18 11:05:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2021-12-18 11:05:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2021-12-18 11:05:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2021-12-18 11:05:06,313 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2021-12-18 11:05:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-18 11:05:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-18 11:05:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 11:05:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 11:05:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-18 11:05:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-18 11:05:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2021-12-18 11:05:06,314 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2021-12-18 11:05:06,314 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2021-12-18 11:05:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2021-12-18 11:05:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2021-12-18 11:05:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2021-12-18 11:05:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_87 [2021-12-18 11:05:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_87 [2021-12-18 11:05:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2021-12-18 11:05:06,315 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2021-12-18 11:05:06,315 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 11:05:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 11:05:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 11:05:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 11:05:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-12-18 11:05:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-12-18 11:05:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2021-12-18 11:05:06,316 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2021-12-18 11:05:06,316 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2021-12-18 11:05:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2021-12-18 11:05:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2021-12-18 11:05:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2021-12-18 11:05:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2021-12-18 11:05:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2021-12-18 11:05:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-18 11:05:06,317 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-18 11:05:06,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-18 11:05:06,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-12-18 11:05:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 11:05:06,318 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 11:05:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2021-12-18 11:05:06,318 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2021-12-18 11:05:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2021-12-18 11:05:06,318 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2021-12-18 11:05:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2021-12-18 11:05:06,319 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2021-12-18 11:05:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2021-12-18 11:05:06,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2021-12-18 11:05:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2021-12-18 11:05:06,319 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2021-12-18 11:05:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 11:05:06,319 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 11:05:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2021-12-18 11:05:06,320 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2021-12-18 11:05:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-18 11:05:06,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-18 11:05:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-18 11:05:06,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-18 11:05:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-18 11:05:06,320 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-18 11:05:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2021-12-18 11:05:06,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2021-12-18 11:05:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2021-12-18 11:05:06,321 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2021-12-18 11:05:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 11:05:06,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 11:05:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-18 11:05:06,322 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-18 11:05:06,325 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-18 11:05:06,325 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-18 11:05:06,325 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-18 11:05:06,326 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-18 11:05:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2021-12-18 11:05:06,326 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2021-12-18 11:05:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 11:05:06,326 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 11:05:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2021-12-18 11:05:06,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2021-12-18 11:05:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-18 11:05:06,327 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-18 11:05:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_e1000_phy_lock [2021-12-18 11:05:06,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_e1000_phy_lock [2021-12-18 11:05:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 11:05:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 11:05:06,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 11:05:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-18 11:05:08,289 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 11:05:08,293 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 11:05:09,470 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 11:06:00,569 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 11:06:00,820 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 11:06:00,871 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 11:06:00,872 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-12-18 11:06:00,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:06:00 BoogieIcfgContainer [2021-12-18 11:06:00,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 11:06:00,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 11:06:00,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 11:06:00,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 11:06:00,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 11:04:50" (1/3) ... [2021-12-18 11:06:00,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457b8b87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:06:00, skipping insertion in model container [2021-12-18 11:06:00,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:05:03" (2/3) ... [2021-12-18 11:06:00,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457b8b87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:06:00, skipping insertion in model container [2021-12-18 11:06:00,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:06:00" (3/3) ... [2021-12-18 11:06:00,894 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-12-18 11:06:00,899 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 11:06:00,900 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-18 11:06:00,972 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 11:06:00,978 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 [2021-12-18 11:06:00,979 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-18 11:06:01,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 8298 states, 5838 states have (on average 1.3523466940733129) internal successors, (7895), 5932 states have internal predecessors, (7895), 2207 states have call successors, (2207), 253 states have call predecessors, (2207), 252 states have return successors, (2201), 2193 states have call predecessors, (2201), 2201 states have call successors, (2201) [2021-12-18 11:06:01,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-12-18 11:06:01,154 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:06:01,155 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:06:01,156 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)] === [2021-12-18 11:06:01,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:06:01,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1809638919, now seen corresponding path program 1 times [2021-12-18 11:06:01,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:06:01,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194457687] [2021-12-18 11:06:01,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:06:01,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:06:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:06:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:06:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:06:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:06:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:06:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:06:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:06:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:06:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:06:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:06:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:06:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:06:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:06:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:06:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:02,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:03,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:06:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:03,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:03,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:06:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:03,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:03,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:06:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:03,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:03,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:06:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:03,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:03,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:06:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:03,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:03,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:06:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:03,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:03,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:06:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:03,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:03,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:06:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:03,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:03,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:06:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:03,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:03,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 11:06:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:03,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-18 11:06:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:03,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2346 trivial. 0 not checked. [2021-12-18 11:06:03,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:06:03,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194457687] [2021-12-18 11:06:03,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194457687] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:06:03,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:06:03,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:06:03,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625523435] [2021-12-18 11:06:03,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:06:03,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:06:03,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:06:03,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:06:03,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:06:03,298 INFO L87 Difference]: Start difference. First operand has 8298 states, 5838 states have (on average 1.3523466940733129) internal successors, (7895), 5932 states have internal predecessors, (7895), 2207 states have call successors, (2207), 253 states have call predecessors, (2207), 252 states have return successors, (2201), 2193 states have call predecessors, (2201), 2201 states have call successors, (2201) Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 11:06:36,140 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:06:39,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:06:42,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:06:44,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:06:47,257 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:06:49,977 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:06:52,183 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:06:52,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:06:52,995 INFO L93 Difference]: Finished difference Result 25573 states and 38973 transitions. [2021-12-18 11:06:52,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:06:52,997 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 281 [2021-12-18 11:06:52,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:06:53,161 INFO L225 Difference]: With dead ends: 25573 [2021-12-18 11:06:53,162 INFO L226 Difference]: Without dead ends: 17310 [2021-12-18 11:06:53,306 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:06:53,313 INFO L933 BasicCegarLoop]: 13597 mSDtfsCounter, 14245 mSDsluCounter, 17298 mSDsCounter, 0 mSdLazyCounter, 6137 mSolverCounterSat, 6072 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16066 SdHoareTripleChecker+Valid, 30895 SdHoareTripleChecker+Invalid, 12216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6072 IncrementalHoareTripleChecker+Valid, 6137 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.7s IncrementalHoareTripleChecker+Time [2021-12-18 11:06:53,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16066 Valid, 30895 Invalid, 12216 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6072 Valid, 6137 Invalid, 7 Unknown, 0 Unchecked, 47.7s Time] [2021-12-18 11:06:53,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17310 states. [2021-12-18 11:06:54,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17310 to 16362. [2021-12-18 11:06:54,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16362 states, 11522 states have (on average 1.3479430654400277) internal successors, (15531), 11705 states have internal predecessors, (15531), 4337 states have call successors, (4337), 501 states have call predecessors, (4337), 500 states have return successors, (4333), 4317 states have call predecessors, (4333), 4333 states have call successors, (4333) [2021-12-18 11:06:55,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16362 states to 16362 states and 24201 transitions. [2021-12-18 11:06:55,049 INFO L78 Accepts]: Start accepts. Automaton has 16362 states and 24201 transitions. Word has length 281 [2021-12-18 11:06:55,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:06:55,054 INFO L470 AbstractCegarLoop]: Abstraction has 16362 states and 24201 transitions. [2021-12-18 11:06:55,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 11:06:55,055 INFO L276 IsEmpty]: Start isEmpty. Operand 16362 states and 24201 transitions. [2021-12-18 11:06:55,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-12-18 11:06:55,066 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:06:55,067 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 23, 23, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:06:55,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 11:06:55,068 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)] === [2021-12-18 11:06:55,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:06:55,069 INFO L85 PathProgramCache]: Analyzing trace with hash -539845014, now seen corresponding path program 1 times [2021-12-18 11:06:55,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:06:55,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970243973] [2021-12-18 11:06:55,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:06:55,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:06:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:55,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:06:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:55,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:55,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:06:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:55,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:55,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:06:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:55,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:55,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:06:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:55,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:55,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:06:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:55,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:55,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:06:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:06:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:06:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:06:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:06:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:06:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:06:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:06:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:06:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:06:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:06:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:06:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:06:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:06:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:06:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:06:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:06:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:06:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 11:06:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-12-18 11:06:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:06:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:06:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:06:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-18 11:06:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:06:56,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2350 trivial. 0 not checked. [2021-12-18 11:06:56,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:06:56,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970243973] [2021-12-18 11:06:56,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970243973] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:06:56,706 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:06:56,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:06:56,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113438435] [2021-12-18 11:06:56,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:06:56,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:06:56,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:06:56,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:06:56,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:06:56,711 INFO L87 Difference]: Start difference. First operand 16362 states and 24201 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-18 11:07:07,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:25,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:27,324 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:27,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:07:27,777 INFO L93 Difference]: Finished difference Result 46222 states and 68498 transitions. [2021-12-18 11:07:27,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:07:27,777 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 312 [2021-12-18 11:07:27,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:07:27,972 INFO L225 Difference]: With dead ends: 46222 [2021-12-18 11:07:27,972 INFO L226 Difference]: Without dead ends: 29911 [2021-12-18 11:07:28,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:07:28,055 INFO L933 BasicCegarLoop]: 13062 mSDtfsCounter, 10919 mSDsluCounter, 17020 mSDsCounter, 0 mSdLazyCounter, 5790 mSolverCounterSat, 5382 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12348 SdHoareTripleChecker+Valid, 30082 SdHoareTripleChecker+Invalid, 11175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5382 IncrementalHoareTripleChecker+Valid, 5790 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time [2021-12-18 11:07:28,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12348 Valid, 30082 Invalid, 11175 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5382 Valid, 5790 Invalid, 3 Unknown, 0 Unchecked, 29.5s Time] [2021-12-18 11:07:28,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29911 states. [2021-12-18 11:07:29,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29911 to 28018. [2021-12-18 11:07:29,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28018 states, 19672 states have (on average 1.3461264741764944) internal successors, (26481), 19974 states have internal predecessors, (26481), 7436 states have call successors, (7436), 910 states have call predecessors, (7436), 907 states have return successors, (7432), 7401 states have call predecessors, (7432), 7432 states have call successors, (7432) [2021-12-18 11:07:30,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28018 states to 28018 states and 41349 transitions. [2021-12-18 11:07:30,118 INFO L78 Accepts]: Start accepts. Automaton has 28018 states and 41349 transitions. Word has length 312 [2021-12-18 11:07:30,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:07:30,120 INFO L470 AbstractCegarLoop]: Abstraction has 28018 states and 41349 transitions. [2021-12-18 11:07:30,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-18 11:07:30,121 INFO L276 IsEmpty]: Start isEmpty. Operand 28018 states and 41349 transitions. [2021-12-18 11:07:30,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-12-18 11:07:30,129 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:07:30,129 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:07:30,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 11:07:30,130 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)] === [2021-12-18 11:07:30,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:07:30,130 INFO L85 PathProgramCache]: Analyzing trace with hash -472129021, now seen corresponding path program 1 times [2021-12-18 11:07:30,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:07:30,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165735643] [2021-12-18 11:07:30,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:07:30,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:07:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:30,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:07:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:30,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:30,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:07:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:30,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:30,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:07:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:30,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:30,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:07:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:30,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:30,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:07:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:30,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:30,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:07:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:30,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:30,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:07:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:30,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:30,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:07:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:30,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:30,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:07:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:30,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:30,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:07:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:30,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:30,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:07:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:07:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:07:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:07:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:07:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:07:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:07:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:07:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:07:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:07:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:07:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:07:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:07:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:07:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 11:07:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-18 11:07:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 11:07:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-18 11:07:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-18 11:07:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-18 11:07:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 11:07:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:07:31,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2346 trivial. 0 not checked. [2021-12-18 11:07:31,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:07:31,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165735643] [2021-12-18 11:07:31,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165735643] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:07:31,500 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:07:31,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 11:07:31,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700910531] [2021-12-18 11:07:31,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:07:31,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 11:07:31,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:07:31,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 11:07:31,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:07:31,502 INFO L87 Difference]: Start difference. First operand 28018 states and 41349 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-18 11:07:53,550 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:55,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:57,680 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:07:59,742 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:08:01,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:08:03,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:08:05,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:08:07,506 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:08:09,168 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:08:11,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:08:13,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:08:15,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:01,683 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:05,723 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:07,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:10,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:12,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:14,745 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:16,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:19,100 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:21,373 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:23,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:25,717 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:27,986 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:30,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:32,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:34,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:09:35,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:09:35,562 INFO L93 Difference]: Finished difference Result 51722 states and 76683 transitions. [2021-12-18 11:09:35,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:09:35,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 336 [2021-12-18 11:09:35,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:09:35,697 INFO L225 Difference]: With dead ends: 51722 [2021-12-18 11:09:35,697 INFO L226 Difference]: Without dead ends: 23755 [2021-12-18 11:09:35,829 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-18 11:09:35,830 INFO L933 BasicCegarLoop]: 19846 mSDtfsCounter, 11264 mSDsluCounter, 28533 mSDsCounter, 0 mSdLazyCounter, 15232 mSolverCounterSat, 4516 mSolverCounterUnsat, 25 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 112.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13016 SdHoareTripleChecker+Valid, 48379 SdHoareTripleChecker+Invalid, 19773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 4516 IncrementalHoareTripleChecker+Valid, 15232 IncrementalHoareTripleChecker+Invalid, 25 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 121.8s IncrementalHoareTripleChecker+Time [2021-12-18 11:09:35,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13016 Valid, 48379 Invalid, 19773 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [4516 Valid, 15232 Invalid, 25 Unknown, 0 Unchecked, 121.8s Time] [2021-12-18 11:09:35,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23755 states. [2021-12-18 11:09:37,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23755 to 21379. [2021-12-18 11:09:37,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21379 states, 15013 states have (on average 1.3424365549856792) internal successors, (20154), 15250 states have internal predecessors, (20154), 5676 states have call successors, (5676), 691 states have call predecessors, (5676), 687 states have return successors, (5672), 5638 states have call predecessors, (5672), 5672 states have call successors, (5672) [2021-12-18 11:09:37,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21379 states to 21379 states and 31502 transitions. [2021-12-18 11:09:37,247 INFO L78 Accepts]: Start accepts. Automaton has 21379 states and 31502 transitions. Word has length 336 [2021-12-18 11:09:37,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:09:37,249 INFO L470 AbstractCegarLoop]: Abstraction has 21379 states and 31502 transitions. [2021-12-18 11:09:37,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-18 11:09:37,249 INFO L276 IsEmpty]: Start isEmpty. Operand 21379 states and 31502 transitions. [2021-12-18 11:09:37,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-12-18 11:09:37,254 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:09:37,255 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:09:37,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 11:09:37,255 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:09:37,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:09:37,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1645146905, now seen corresponding path program 1 times [2021-12-18 11:09:37,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:09:37,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884387158] [2021-12-18 11:09:37,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:09:37,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:09:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:37,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:09:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:09:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:09:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:09:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:09:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:09:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:09:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:09:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:09:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:09:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:09:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:09:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:09:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:09:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:09:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:09:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:09:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:09:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:09:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:09:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:09:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:09:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:09:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 11:09:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 11:09:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 11:09:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 11:09:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-18 11:09:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:09:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-18 11:09:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-18 11:09:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:09:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:09:38,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2605 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2595 trivial. 0 not checked. [2021-12-18 11:09:38,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:09:38,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884387158] [2021-12-18 11:09:38,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884387158] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:09:38,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:09:38,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:09:38,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775396626] [2021-12-18 11:09:38,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:09:38,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:09:38,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:09:38,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:09:38,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:09:38,755 INFO L87 Difference]: Start difference. First operand 21379 states and 31502 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 11:10:00,605 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:10:02,856 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:10:18,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:10:20,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:10:23,193 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:10:25,414 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:10:27,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:10:28,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:10:28,339 INFO L93 Difference]: Finished difference Result 66220 states and 97954 transitions. [2021-12-18 11:10:28,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:10:28,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 339 [2021-12-18 11:10:28,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:10:28,606 INFO L225 Difference]: With dead ends: 66220 [2021-12-18 11:10:28,606 INFO L226 Difference]: Without dead ends: 44992 [2021-12-18 11:10:28,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:10:28,714 INFO L933 BasicCegarLoop]: 13967 mSDtfsCounter, 14073 mSDsluCounter, 17481 mSDsCounter, 0 mSdLazyCounter, 6134 mSolverCounterSat, 5971 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15892 SdHoareTripleChecker+Valid, 31448 SdHoareTripleChecker+Invalid, 12112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5971 IncrementalHoareTripleChecker+Valid, 6134 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.5s IncrementalHoareTripleChecker+Time [2021-12-18 11:10:28,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15892 Valid, 31448 Invalid, 12112 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5971 Valid, 6134 Invalid, 7 Unknown, 0 Unchecked, 47.5s Time] [2021-12-18 11:10:28,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44992 states. [2021-12-18 11:10:30,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44992 to 42322. [2021-12-18 11:10:30,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42322 states, 29740 states have (on average 1.3435104236718225) internal successors, (39956), 30198 states have internal predecessors, (39956), 11224 states have call successors, (11224), 1360 states have call predecessors, (11224), 1355 states have return successors, (11220), 11165 states have call predecessors, (11220), 11220 states have call successors, (11220) [2021-12-18 11:10:31,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42322 states to 42322 states and 62400 transitions. [2021-12-18 11:10:31,703 INFO L78 Accepts]: Start accepts. Automaton has 42322 states and 62400 transitions. Word has length 339 [2021-12-18 11:10:31,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:10:31,704 INFO L470 AbstractCegarLoop]: Abstraction has 42322 states and 62400 transitions. [2021-12-18 11:10:31,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-18 11:10:31,705 INFO L276 IsEmpty]: Start isEmpty. Operand 42322 states and 62400 transitions. [2021-12-18 11:10:31,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-12-18 11:10:31,711 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:10:31,711 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:10:31,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 11:10:31,712 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)] === [2021-12-18 11:10:31,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:10:31,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1785695515, now seen corresponding path program 1 times [2021-12-18 11:10:31,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:10:31,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740814524] [2021-12-18 11:10:31,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:10:31,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:10:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:32,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:10:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:32,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:32,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:10:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:32,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:32,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:10:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:32,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:32,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:10:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:32,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:32,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:10:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:32,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:32,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:10:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:32,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:32,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:10:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:32,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:32,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:10:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:32,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:32,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:10:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:32,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:32,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:10:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:32,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:32,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:10:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:32,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:32,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:10:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:10:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:10:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:10:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:10:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:10:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:10:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:10:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:10:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:10:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:10:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:10:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 11:10:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 11:10:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 11:10:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 11:10:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-18 11:10:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:10:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-18 11:10:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-18 11:10:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:10:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:10:33,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2605 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2605 trivial. 0 not checked. [2021-12-18 11:10:33,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:10:33,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740814524] [2021-12-18 11:10:33,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740814524] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:10:33,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:10:33,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:10:33,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843414959] [2021-12-18 11:10:33,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:10:33,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:10:33,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:10:33,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:10:33,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:10:33,415 INFO L87 Difference]: Start difference. First operand 42322 states and 62400 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 11:10:52,003 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:11:03,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:11:05,599 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:11:06,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:11:06,097 INFO L93 Difference]: Finished difference Result 44994 states and 66634 transitions. [2021-12-18 11:11:06,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:11:06,097 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 339 [2021-12-18 11:11:06,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:11:06,335 INFO L225 Difference]: With dead ends: 44994 [2021-12-18 11:11:06,335 INFO L226 Difference]: Without dead ends: 44992 [2021-12-18 11:11:06,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 11:11:06,366 INFO L933 BasicCegarLoop]: 11802 mSDtfsCounter, 12352 mSDsluCounter, 27434 mSDsCounter, 0 mSdLazyCounter, 6048 mSolverCounterSat, 3830 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13713 SdHoareTripleChecker+Valid, 39236 SdHoareTripleChecker+Invalid, 9881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3830 IncrementalHoareTripleChecker+Valid, 6048 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.8s IncrementalHoareTripleChecker+Time [2021-12-18 11:11:06,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13713 Valid, 39236 Invalid, 9881 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3830 Valid, 6048 Invalid, 3 Unknown, 0 Unchecked, 30.8s Time] [2021-12-18 11:11:06,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44992 states. [2021-12-18 11:11:08,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44992 to 42326. [2021-12-18 11:11:08,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42326 states, 29743 states have (on average 1.3434757758127962) internal successors, (39959), 30201 states have internal predecessors, (39959), 11224 states have call successors, (11224), 1361 states have call predecessors, (11224), 1356 states have return successors, (11220), 11165 states have call predecessors, (11220), 11220 states have call successors, (11220) [2021-12-18 11:11:08,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42326 states to 42326 states and 62403 transitions. [2021-12-18 11:11:08,683 INFO L78 Accepts]: Start accepts. Automaton has 42326 states and 62403 transitions. Word has length 339 [2021-12-18 11:11:08,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:11:08,684 INFO L470 AbstractCegarLoop]: Abstraction has 42326 states and 62403 transitions. [2021-12-18 11:11:08,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-18 11:11:08,684 INFO L276 IsEmpty]: Start isEmpty. Operand 42326 states and 62403 transitions. [2021-12-18 11:11:08,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-12-18 11:11:08,689 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:11:08,690 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:11:08,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 11:11:08,690 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:11:08,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:11:08,691 INFO L85 PathProgramCache]: Analyzing trace with hash 493757765, now seen corresponding path program 1 times [2021-12-18 11:11:08,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:11:08,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127504600] [2021-12-18 11:11:08,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:11:08,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:11:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:11:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:11:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:11:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:11:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:11:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:11:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:11:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:11:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:11:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:11:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:11:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:11:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:11:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:11:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:11:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:11:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:11:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:11:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:11:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:11:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:11:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:11:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:11:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 11:11:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 11:11:10,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 11:11:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 11:11:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-18 11:11:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-18 11:11:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-18 11:11:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:11:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 11:11:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:10,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2605 trivial. 0 not checked. [2021-12-18 11:11:10,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:11:10,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127504600] [2021-12-18 11:11:10,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127504600] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:11:10,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:11:10,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:11:10,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974271905] [2021-12-18 11:11:10,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:11:10,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:11:10,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:11:10,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:11:10,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:11:10,733 INFO L87 Difference]: Start difference. First operand 42326 states and 62403 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-18 11:11:28,423 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:11:39,509 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:11:40,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:11:40,128 INFO L93 Difference]: Finished difference Result 45170 states and 66798 transitions. [2021-12-18 11:11:40,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 11:11:40,129 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 344 [2021-12-18 11:11:40,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:11:40,375 INFO L225 Difference]: With dead ends: 45170 [2021-12-18 11:11:40,376 INFO L226 Difference]: Without dead ends: 45168 [2021-12-18 11:11:40,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 11:11:40,408 INFO L933 BasicCegarLoop]: 11825 mSDtfsCounter, 12355 mSDsluCounter, 27466 mSDsCounter, 0 mSdLazyCounter, 6099 mSolverCounterSat, 3823 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13717 SdHoareTripleChecker+Valid, 39291 SdHoareTripleChecker+Invalid, 9924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3823 IncrementalHoareTripleChecker+Valid, 6099 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.6s IncrementalHoareTripleChecker+Time [2021-12-18 11:11:40,409 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13717 Valid, 39291 Invalid, 9924 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3823 Valid, 6099 Invalid, 2 Unknown, 0 Unchecked, 27.6s Time] [2021-12-18 11:11:40,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45168 states. [2021-12-18 11:11:42,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45168 to 42500. [2021-12-18 11:11:42,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42500 states, 29860 states have (on average 1.342598794373744) internal successors, (40090), 30326 states have internal predecessors, (40090), 11240 states have call successors, (11240), 1402 states have call predecessors, (11240), 1397 states have return successors, (11236), 11181 states have call predecessors, (11236), 11236 states have call successors, (11236) [2021-12-18 11:11:42,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42500 states to 42500 states and 62566 transitions. [2021-12-18 11:11:42,671 INFO L78 Accepts]: Start accepts. Automaton has 42500 states and 62566 transitions. Word has length 344 [2021-12-18 11:11:42,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:11:42,672 INFO L470 AbstractCegarLoop]: Abstraction has 42500 states and 62566 transitions. [2021-12-18 11:11:42,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-18 11:11:42,673 INFO L276 IsEmpty]: Start isEmpty. Operand 42500 states and 62566 transitions. [2021-12-18 11:11:42,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-12-18 11:11:42,679 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:11:42,680 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:11:42,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 11:11:42,680 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:11:42,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:11:42,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1100427035, now seen corresponding path program 1 times [2021-12-18 11:11:42,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:11:42,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39169483] [2021-12-18 11:11:42,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:11:42,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:11:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:43,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:11:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:43,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:43,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:11:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:43,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:43,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:11:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:43,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:43,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:11:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:43,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:43,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:11:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:11:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:11:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:11:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:11:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:11:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:11:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:11:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:11:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:11:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:11:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:11:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:11:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:11:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:11:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:11:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:11:44,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:11:44,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:11:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 11:11:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 11:11:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 11:11:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 11:11:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-18 11:11:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:11:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-18 11:11:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-18 11:11:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:11:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 11:11:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-18 11:11:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:11:44,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2613 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2609 trivial. 0 not checked. [2021-12-18 11:11:44,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:11:44,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39169483] [2021-12-18 11:11:44,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39169483] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:11:44,590 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:11:44,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:11:44,590 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87095081] [2021-12-18 11:11:44,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:11:44,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:11:44,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:11:44,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:11:44,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:11:44,592 INFO L87 Difference]: Start difference. First operand 42500 states and 62566 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-18 11:12:02,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:12:14,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:12:16,426 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:12:18,618 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:12:19,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:12:19,169 INFO L93 Difference]: Finished difference Result 45172 states and 66800 transitions. [2021-12-18 11:12:19,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:12:19,170 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 349 [2021-12-18 11:12:19,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:12:19,394 INFO L225 Difference]: With dead ends: 45172 [2021-12-18 11:12:19,395 INFO L226 Difference]: Without dead ends: 45170 [2021-12-18 11:12:19,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 11:12:19,419 INFO L933 BasicCegarLoop]: 11818 mSDtfsCounter, 12335 mSDsluCounter, 27461 mSDsCounter, 0 mSdLazyCounter, 6047 mSolverCounterSat, 3822 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13695 SdHoareTripleChecker+Valid, 39279 SdHoareTripleChecker+Invalid, 9873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3822 IncrementalHoareTripleChecker+Valid, 6047 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.8s IncrementalHoareTripleChecker+Time [2021-12-18 11:12:19,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13695 Valid, 39279 Invalid, 9873 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3822 Valid, 6047 Invalid, 4 Unknown, 0 Unchecked, 32.8s Time] [2021-12-18 11:12:19,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45170 states. [2021-12-18 11:12:21,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45170 to 42504. [2021-12-18 11:12:21,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42504 states, 29863 states have (on average 1.3425643773231088) internal successors, (40093), 30329 states have internal predecessors, (40093), 11240 states have call successors, (11240), 1403 states have call predecessors, (11240), 1398 states have return successors, (11236), 11181 states have call predecessors, (11236), 11236 states have call successors, (11236) [2021-12-18 11:12:21,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42504 states to 42504 states and 62569 transitions. [2021-12-18 11:12:21,841 INFO L78 Accepts]: Start accepts. Automaton has 42504 states and 62569 transitions. Word has length 349 [2021-12-18 11:12:21,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:12:21,842 INFO L470 AbstractCegarLoop]: Abstraction has 42504 states and 62569 transitions. [2021-12-18 11:12:21,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-18 11:12:21,843 INFO L276 IsEmpty]: Start isEmpty. Operand 42504 states and 62569 transitions. [2021-12-18 11:12:21,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2021-12-18 11:12:21,848 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:12:21,848 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:12:21,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 11:12:21,848 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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)] === [2021-12-18 11:12:21,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:12:21,849 INFO L85 PathProgramCache]: Analyzing trace with hash 401994437, now seen corresponding path program 1 times [2021-12-18 11:12:21,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:12:21,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628487622] [2021-12-18 11:12:21,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:12:21,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:12:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:22,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:12:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:22,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:22,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:12:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:22,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:22,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:12:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:22,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:22,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:12:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:22,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:22,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:12:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:22,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:22,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:12:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:22,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:22,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:12:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:22,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:22,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:12:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:22,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:22,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:12:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:22,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:22,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:12:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:22,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:22,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:12:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:22,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:22,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:12:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:12:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:12:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:12:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:12:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:12:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:12:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:12:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:12:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:12:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:12:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:12:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 11:12:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 11:12:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 11:12:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 11:12:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-18 11:12:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-18 11:12:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-18 11:12:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:12:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 11:12:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-18 11:12:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 11:12:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:23,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2623 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2617 trivial. 0 not checked. [2021-12-18 11:12:23,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:12:23,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628487622] [2021-12-18 11:12:23,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628487622] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:12:23,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:12:23,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:12:23,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462390652] [2021-12-18 11:12:23,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:12:23,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:12:23,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:12:23,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:12:23,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:12:23,344 INFO L87 Difference]: Start difference. First operand 42504 states and 62569 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-18 11:12:42,117 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:12:54,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:12:55,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:12:55,102 INFO L93 Difference]: Finished difference Result 45176 states and 66803 transitions. [2021-12-18 11:12:55,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:12:55,103 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 354 [2021-12-18 11:12:55,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:12:55,309 INFO L225 Difference]: With dead ends: 45176 [2021-12-18 11:12:55,310 INFO L226 Difference]: Without dead ends: 45174 [2021-12-18 11:12:55,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 11:12:55,347 INFO L933 BasicCegarLoop]: 11829 mSDtfsCounter, 12328 mSDsluCounter, 27484 mSDsCounter, 0 mSdLazyCounter, 6052 mSolverCounterSat, 3814 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13687 SdHoareTripleChecker+Valid, 39313 SdHoareTripleChecker+Invalid, 9868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3814 IncrementalHoareTripleChecker+Valid, 6052 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.8s IncrementalHoareTripleChecker+Time [2021-12-18 11:12:55,348 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13687 Valid, 39313 Invalid, 9868 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3814 Valid, 6052 Invalid, 2 Unknown, 0 Unchecked, 29.8s Time] [2021-12-18 11:12:55,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45174 states. [2021-12-18 11:12:57,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45174 to 42508. [2021-12-18 11:12:57,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42508 states, 29866 states have (on average 1.3425299671867676) internal successors, (40096), 30332 states have internal predecessors, (40096), 11240 states have call successors, (11240), 1404 states have call predecessors, (11240), 1399 states have return successors, (11236), 11181 states have call predecessors, (11236), 11236 states have call successors, (11236) [2021-12-18 11:12:57,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42508 states to 42508 states and 62572 transitions. [2021-12-18 11:12:57,726 INFO L78 Accepts]: Start accepts. Automaton has 42508 states and 62572 transitions. Word has length 354 [2021-12-18 11:12:57,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:12:57,727 INFO L470 AbstractCegarLoop]: Abstraction has 42508 states and 62572 transitions. [2021-12-18 11:12:57,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-18 11:12:57,727 INFO L276 IsEmpty]: Start isEmpty. Operand 42508 states and 62572 transitions. [2021-12-18 11:12:57,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2021-12-18 11:12:57,732 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:12:57,732 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:12:57,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 11:12:57,732 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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)] === [2021-12-18 11:12:57,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:12:57,733 INFO L85 PathProgramCache]: Analyzing trace with hash -991819363, now seen corresponding path program 1 times [2021-12-18 11:12:57,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:12:57,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549930872] [2021-12-18 11:12:57,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:12:57,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:12:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:12:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:12:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:12:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:12:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:12:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:12:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:12:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:12:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:12:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:12:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:12:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:12:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:12:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:12:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:12:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:12:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:12:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:58,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:12:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:12:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:12:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:12:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:12:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:12:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 11:12:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 11:12:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 11:12:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 11:12:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-18 11:12:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:12:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-18 11:12:59,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-18 11:12:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 11:12:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 11:12:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 11:12:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 11:12:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-12-18 11:12:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-18 11:12:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-18 11:12:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:12:59,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2649 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2635 trivial. 0 not checked. [2021-12-18 11:12:59,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:12:59,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549930872] [2021-12-18 11:12:59,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549930872] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:12:59,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:12:59,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 11:12:59,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648087329] [2021-12-18 11:12:59,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:12:59,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 11:12:59,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:12:59,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 11:12:59,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:12:59,189 INFO L87 Difference]: Start difference. First operand 42508 states and 62572 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-18 11:13:51,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:13:54,762 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-18 11:13:57,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:13:59,929 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:14:39,654 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:14:41,835 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:14:47,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:14:50,107 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:14:52,294 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:14:54,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:14:56,679 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:14:58,858 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:15:00,989 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:15:02,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:15:02,757 INFO L93 Difference]: Finished difference Result 109940 states and 162337 transitions. [2021-12-18 11:15:02,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 11:15:02,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 371 [2021-12-18 11:15:02,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:15:03,021 INFO L225 Difference]: With dead ends: 109940 [2021-12-18 11:15:03,021 INFO L226 Difference]: Without dead ends: 67583 [2021-12-18 11:15:03,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 11:15:03,177 INFO L933 BasicCegarLoop]: 16989 mSDtfsCounter, 18040 mSDsluCounter, 11930 mSDsCounter, 0 mSdLazyCounter, 21787 mSolverCounterSat, 13084 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 104.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19832 SdHoareTripleChecker+Valid, 28919 SdHoareTripleChecker+Invalid, 34884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 13084 IncrementalHoareTripleChecker+Valid, 21787 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 118.8s IncrementalHoareTripleChecker+Time [2021-12-18 11:15:03,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19832 Valid, 28919 Invalid, 34884 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [13084 Valid, 21787 Invalid, 13 Unknown, 0 Unchecked, 118.8s Time] [2021-12-18 11:15:03,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67583 states. [2021-12-18 11:15:06,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67583 to 63540. [2021-12-18 11:15:06,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63540 states, 44654 states have (on average 1.342903211358445) internal successors, (59966), 45345 states have internal predecessors, (59966), 16796 states have call successors, (16796), 2093 states have call predecessors, (16796), 2087 states have return successors, (16792), 16716 states have call predecessors, (16792), 16792 states have call successors, (16792) [2021-12-18 11:15:07,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63540 states to 63540 states and 93554 transitions. [2021-12-18 11:15:07,169 INFO L78 Accepts]: Start accepts. Automaton has 63540 states and 93554 transitions. Word has length 371 [2021-12-18 11:15:07,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:15:07,171 INFO L470 AbstractCegarLoop]: Abstraction has 63540 states and 93554 transitions. [2021-12-18 11:15:07,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-18 11:15:07,171 INFO L276 IsEmpty]: Start isEmpty. Operand 63540 states and 93554 transitions. [2021-12-18 11:15:07,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2021-12-18 11:15:07,176 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:15:07,177 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:15:07,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 11:15:07,177 INFO L402 AbstractCegarLoop]: === Iteration 10 === 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)] === [2021-12-18 11:15:07,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:15:07,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1871577371, now seen corresponding path program 1 times [2021-12-18 11:15:07,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:15:07,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735021210] [2021-12-18 11:15:07,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:15:07,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:15:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:15:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:15:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:15:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:15:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:15:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:15:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:15:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:15:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:15:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:15:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:15:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:15:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:15:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:07,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:15:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:15:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:15:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:15:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:15:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:15:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:15:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:15:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:15:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:15:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 11:15:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 11:15:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 11:15:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 11:15:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-18 11:15:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-18 11:15:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-18 11:15:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:15:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 11:15:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-18 11:15:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 11:15:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 11:15:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:08,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2637 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2629 trivial. 0 not checked. [2021-12-18 11:15:08,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:15:08,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735021210] [2021-12-18 11:15:08,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735021210] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:15:08,252 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:15:08,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:15:08,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367904726] [2021-12-18 11:15:08,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:15:08,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:15:08,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:15:08,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:15:08,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:15:08,254 INFO L87 Difference]: Start difference. First operand 63540 states and 93554 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-18 11:15:28,813 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:15:42,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:15:43,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:15:43,741 INFO L93 Difference]: Finished difference Result 71227 states and 105158 transitions. [2021-12-18 11:15:43,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 11:15:43,742 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 359 [2021-12-18 11:15:43,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:15:44,196 INFO L225 Difference]: With dead ends: 71227 [2021-12-18 11:15:44,196 INFO L226 Difference]: Without dead ends: 71225 [2021-12-18 11:15:44,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 11:15:44,236 INFO L933 BasicCegarLoop]: 12308 mSDtfsCounter, 12341 mSDsluCounter, 29136 mSDsCounter, 0 mSdLazyCounter, 6404 mSolverCounterSat, 3840 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13711 SdHoareTripleChecker+Valid, 41444 SdHoareTripleChecker+Invalid, 10246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3840 IncrementalHoareTripleChecker+Valid, 6404 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.1s IncrementalHoareTripleChecker+Time [2021-12-18 11:15:44,237 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13711 Valid, 41444 Invalid, 10246 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3840 Valid, 6404 Invalid, 2 Unknown, 0 Unchecked, 32.1s Time] [2021-12-18 11:15:44,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71225 states. [2021-12-18 11:15:48,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71225 to 67204. [2021-12-18 11:15:48,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67204 states, 46988 states have (on average 1.3384481144121902) internal successors, (62891), 47724 states have internal predecessors, (62891), 17945 states have call successors, (17945), 2289 states have call predecessors, (17945), 2268 states have return successors, (17968), 17841 states have call predecessors, (17968), 17941 states have call successors, (17968) [2021-12-18 11:15:48,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67204 states to 67204 states and 98804 transitions. [2021-12-18 11:15:49,004 INFO L78 Accepts]: Start accepts. Automaton has 67204 states and 98804 transitions. Word has length 359 [2021-12-18 11:15:49,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:15:49,005 INFO L470 AbstractCegarLoop]: Abstraction has 67204 states and 98804 transitions. [2021-12-18 11:15:49,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-18 11:15:49,006 INFO L276 IsEmpty]: Start isEmpty. Operand 67204 states and 98804 transitions. [2021-12-18 11:15:49,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2021-12-18 11:15:49,011 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:15:49,012 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:15:49,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 11:15:49,012 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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)] === [2021-12-18 11:15:49,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:15:49,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1918070715, now seen corresponding path program 1 times [2021-12-18 11:15:49,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:15:49,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551834053] [2021-12-18 11:15:49,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:15:49,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:15:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:49,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:15:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:49,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:15:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:15:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:15:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:15:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:15:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:15:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:15:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:15:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:15:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:15:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:15:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:15:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:15:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:15:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:15:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:15:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:15:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:15:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:15:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:15:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:15:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:15:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 11:15:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 11:15:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 11:15:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 11:15:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-18 11:15:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-18 11:15:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-18 11:15:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:15:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 11:15:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-18 11:15:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 11:15:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 11:15:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 11:15:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:50,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2655 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2645 trivial. 0 not checked. [2021-12-18 11:15:50,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:15:50,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551834053] [2021-12-18 11:15:50,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551834053] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:15:50,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:15:50,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:15:50,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105840433] [2021-12-18 11:15:50,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:15:50,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:15:50,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:15:50,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:15:50,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:15:50,462 INFO L87 Difference]: Start difference. First operand 67204 states and 98804 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-18 11:16:13,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:16:29,854 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:16:32,061 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:16:34,212 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:16:34,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:16:34,853 INFO L93 Difference]: Finished difference Result 71436 states and 105307 transitions. [2021-12-18 11:16:34,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 11:16:34,856 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 364 [2021-12-18 11:16:34,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:16:35,191 INFO L225 Difference]: With dead ends: 71436 [2021-12-18 11:16:35,192 INFO L226 Difference]: Without dead ends: 71434 [2021-12-18 11:16:35,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 11:16:35,233 INFO L933 BasicCegarLoop]: 11857 mSDtfsCounter, 12103 mSDsluCounter, 27803 mSDsCounter, 0 mSdLazyCounter, 6058 mSolverCounterSat, 3799 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13406 SdHoareTripleChecker+Valid, 39660 SdHoareTripleChecker+Invalid, 9861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3799 IncrementalHoareTripleChecker+Valid, 6058 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.5s IncrementalHoareTripleChecker+Time [2021-12-18 11:16:35,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13406 Valid, 39660 Invalid, 9861 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3799 Valid, 6058 Invalid, 4 Unknown, 0 Unchecked, 40.5s Time] [2021-12-18 11:16:35,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71434 states. [2021-12-18 11:16:39,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71434 to 67433. [2021-12-18 11:16:40,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67433 states, 47147 states have (on average 1.337497613846056) internal successors, (63059), 47883 states have internal predecessors, (63059), 17945 states have call successors, (17945), 2359 states have call predecessors, (17945), 2338 states have return successors, (17968), 17841 states have call predecessors, (17968), 17941 states have call successors, (17968) [2021-12-18 11:16:40,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67433 states to 67433 states and 98972 transitions. [2021-12-18 11:16:40,677 INFO L78 Accepts]: Start accepts. Automaton has 67433 states and 98972 transitions. Word has length 364 [2021-12-18 11:16:40,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:16:40,704 INFO L470 AbstractCegarLoop]: Abstraction has 67433 states and 98972 transitions. [2021-12-18 11:16:40,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-18 11:16:40,704 INFO L276 IsEmpty]: Start isEmpty. Operand 67433 states and 98972 transitions. [2021-12-18 11:16:40,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2021-12-18 11:16:40,710 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:16:40,710 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:16:40,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 11:16:40,711 INFO L402 AbstractCegarLoop]: === Iteration 12 === 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)] === [2021-12-18 11:16:40,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:16:40,711 INFO L85 PathProgramCache]: Analyzing trace with hash -552074469, now seen corresponding path program 1 times [2021-12-18 11:16:40,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:16:40,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76533492] [2021-12-18 11:16:40,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:16:40,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:16:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:16:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:16:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:16:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:16:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:16:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:16:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:16:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:16:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:16:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:16:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:16:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:16:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:16:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:16:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:16:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:16:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:16:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:16:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:16:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:16:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:16:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:16:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:16:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 11:16:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 11:16:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 11:16:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:41,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 11:16:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:42,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-18 11:16:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:42,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:16:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:42,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-18 11:16:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:42,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-18 11:16:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:42,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:16:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:42,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 11:16:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:42,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-18 11:16:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:42,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 11:16:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:42,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 11:16:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:42,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 11:16:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:42,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-12-18 11:16:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:16:42,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2677 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2665 trivial. 0 not checked. [2021-12-18 11:16:42,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:16:42,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76533492] [2021-12-18 11:16:42,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76533492] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:16:42,107 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:16:42,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:16:42,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55453395] [2021-12-18 11:16:42,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:16:42,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:16:42,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:16:42,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:16:42,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:16:42,112 INFO L87 Difference]: Start difference. First operand 67433 states and 98972 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-18 11:16:58,083 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:17:10,131 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:17:12,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:17:12,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:17:12,894 INFO L93 Difference]: Finished difference Result 71438 states and 105309 transitions. [2021-12-18 11:17:12,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:17:12,894 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 369 [2021-12-18 11:17:12,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:17:13,154 INFO L225 Difference]: With dead ends: 71438 [2021-12-18 11:17:13,154 INFO L226 Difference]: Without dead ends: 71436 [2021-12-18 11:17:13,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 11:17:13,307 INFO L933 BasicCegarLoop]: 11797 mSDtfsCounter, 12355 mSDsluCounter, 27421 mSDsCounter, 0 mSdLazyCounter, 6042 mSolverCounterSat, 3826 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13713 SdHoareTripleChecker+Valid, 39218 SdHoareTripleChecker+Invalid, 9871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3826 IncrementalHoareTripleChecker+Valid, 6042 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.5s IncrementalHoareTripleChecker+Time [2021-12-18 11:17:13,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13713 Valid, 39218 Invalid, 9871 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3826 Valid, 6042 Invalid, 3 Unknown, 0 Unchecked, 27.5s Time] [2021-12-18 11:17:13,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71436 states. [2021-12-18 11:17:16,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71436 to 67437. [2021-12-18 11:17:17,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67437 states, 47150 states have (on average 1.3374761399787911) internal successors, (63062), 47886 states have internal predecessors, (63062), 17945 states have call successors, (17945), 2360 states have call predecessors, (17945), 2339 states have return successors, (17968), 17841 states have call predecessors, (17968), 17941 states have call successors, (17968) [2021-12-18 11:17:17,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67437 states to 67437 states and 98975 transitions. [2021-12-18 11:17:17,533 INFO L78 Accepts]: Start accepts. Automaton has 67437 states and 98975 transitions. Word has length 369 [2021-12-18 11:17:17,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:17:17,534 INFO L470 AbstractCegarLoop]: Abstraction has 67437 states and 98975 transitions. [2021-12-18 11:17:17,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-12-18 11:17:17,534 INFO L276 IsEmpty]: Start isEmpty. Operand 67437 states and 98975 transitions. [2021-12-18 11:17:17,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-12-18 11:17:17,541 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:17:17,541 INFO L514 BasicCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:17:17,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 11:17:17,541 INFO L402 AbstractCegarLoop]: === Iteration 13 === 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)] === [2021-12-18 11:17:17,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:17:17,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1370620475, now seen corresponding path program 1 times [2021-12-18 11:17:17,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:17:17,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260250017] [2021-12-18 11:17:17,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:17:17,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:17:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:17:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:17:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:17:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:17:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:17:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:17:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:17:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:17:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:17:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:17:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:17:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:17:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:17:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:17:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:17:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:17:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:17:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 11:17:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 11:17:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 11:17:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:17:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 11:17:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 11:17:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 11:17:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 11:17:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 11:17:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 11:17:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-18 11:17:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:17:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-18 11:17:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-18 11:17:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 11:17:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 11:17:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-18 11:17:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 11:17:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 11:17:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 11:17:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-12-18 11:17:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-12-18 11:17:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:17:18,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2703 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2689 trivial. 0 not checked. [2021-12-18 11:17:18,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:17:18,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260250017] [2021-12-18 11:17:18,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260250017] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:17:18,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:17:18,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:17:18,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347753950] [2021-12-18 11:17:18,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:17:18,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:17:18,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:17:18,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:17:18,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:17:18,963 INFO L87 Difference]: Start difference. First operand 67437 states and 98975 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-18 11:17:37,230 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15