./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-wan-lmc-lmc.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-wan-lmc-lmc.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 fdbc5180119fad988a6a3a24d2f5ed804cbc2cd6d0e7bbb402b6d4dd37802e45 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 11:14:23,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 11:14:23,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 11:14:24,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 11:14:24,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 11:14:24,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 11:14:24,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 11:14:24,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 11:14:24,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 11:14:24,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 11:14:24,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 11:14:24,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 11:14:24,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 11:14:24,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 11:14:24,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 11:14:24,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 11:14:24,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 11:14:24,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 11:14:24,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 11:14:24,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 11:14:24,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 11:14:24,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 11:14:24,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 11:14:24,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 11:14:24,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 11:14:24,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 11:14:24,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 11:14:24,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 11:14:24,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 11:14:24,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 11:14:24,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 11:14:24,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 11:14:24,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 11:14:24,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 11:14:24,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 11:14:24,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 11:14:24,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 11:14:24,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 11:14:24,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 11:14:24,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 11:14:24,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 11:14:24,104 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 11:14:24,131 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 11:14:24,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 11:14:24,132 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 11:14:24,132 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 11:14:24,133 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 11:14:24,133 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 11:14:24,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 11:14:24,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 11:14:24,134 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 11:14:24,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 11:14:24,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 11:14:24,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 11:14:24,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 11:14:24,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 11:14:24,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 11:14:24,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 11:14:24,136 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 11:14:24,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 11:14:24,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 11:14:24,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 11:14:24,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 11:14:24,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 11:14:24,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 11:14:24,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 11:14:24,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 11:14:24,138 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 11:14:24,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 11:14:24,139 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 11:14:24,139 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 11:14:24,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 11:14:24,139 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 11:14:24,139 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdbc5180119fad988a6a3a24d2f5ed804cbc2cd6d0e7bbb402b6d4dd37802e45 [2021-12-18 11:14:24,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 11:14:24,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 11:14:24,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 11:14:24,352 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 11:14:24,353 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 11:14:24,354 INFO L432 ainManager$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-wan-lmc-lmc.cil.i [2021-12-18 11:14:24,405 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7dc0b218/ccb71986db2740bba3fb735d69e94805/FLAGc54d99b36 [2021-12-18 11:14:25,036 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 11:14:25,037 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-wan-lmc-lmc.cil.i [2021-12-18 11:14:25,083 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7dc0b218/ccb71986db2740bba3fb735d69e94805/FLAGc54d99b36 [2021-12-18 11:14:25,157 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7dc0b218/ccb71986db2740bba3fb735d69e94805 [2021-12-18 11:14:25,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 11:14:25,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 11:14:25,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 11:14:25,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 11:14:25,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 11:14:25,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:14:25" (1/1) ... [2021-12-18 11:14:25,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a53c4d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:14:25, skipping insertion in model container [2021-12-18 11:14:25,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:14:25" (1/1) ... [2021-12-18 11:14:25,172 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 11:14:25,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 11:14:27,733 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-wan-lmc-lmc.cil.i[394320,394333] [2021-12-18 11:14:27,736 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-wan-lmc-lmc.cil.i[394489,394502] [2021-12-18 11:14:27,737 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-wan-lmc-lmc.cil.i[394656,394669] [2021-12-18 11:14:27,737 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-wan-lmc-lmc.cil.i[394824,394837] [2021-12-18 11:14:27,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 11:14:27,788 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 11:14:28,340 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-wan-lmc-lmc.cil.i[394320,394333] [2021-12-18 11:14:28,341 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-wan-lmc-lmc.cil.i[394489,394502] [2021-12-18 11:14:28,341 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-wan-lmc-lmc.cil.i[394656,394669] [2021-12-18 11:14:28,342 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-wan-lmc-lmc.cil.i[394824,394837] [2021-12-18 11:14:28,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 11:14:28,481 INFO L208 MainTranslator]: Completed translation [2021-12-18 11:14:28,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:14:28 WrapperNode [2021-12-18 11:14:28,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 11:14:28,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 11:14:28,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 11:14:28,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 11:14:28,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:14:28" (1/1) ... [2021-12-18 11:14:28,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:14:28" (1/1) ... [2021-12-18 11:14:28,726 INFO L137 Inliner]: procedures = 495, calls = 2611, calls flagged for inlining = 242, calls inlined = 227, statements flattened = 5038 [2021-12-18 11:14:28,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 11:14:28,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 11:14:28,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 11:14:28,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 11:14:28,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:14:28" (1/1) ... [2021-12-18 11:14:28,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:14:28" (1/1) ... [2021-12-18 11:14:28,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:14:28" (1/1) ... [2021-12-18 11:14:28,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:14:28" (1/1) ... [2021-12-18 11:14:28,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:14:28" (1/1) ... [2021-12-18 11:14:28,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:14:28" (1/1) ... [2021-12-18 11:14:28,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:14:28" (1/1) ... [2021-12-18 11:14:28,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 11:14:28,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 11:14:28,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 11:14:28,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 11:14:28,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:14:28" (1/1) ... [2021-12-18 11:14:28,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 11:14:28,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 11:14:28,987 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 11:14:28,994 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 11:14:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2021-12-18 11:14:29,025 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2021-12-18 11:14:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 11:14:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 11:14:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_crc_length [2021-12-18 11:14:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_crc_length [2021-12-18 11:14:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 11:14:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 11:14:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2021-12-18 11:14:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2021-12-18 11:14:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2021-12-18 11:14:29,027 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2021-12-18 11:14:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-18 11:14:29,027 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-18 11:14:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 11:14:29,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 11:14:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_default [2021-12-18 11:14:29,027 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_default [2021-12-18 11:14:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2021-12-18 11:14:29,028 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2021-12-18 11:14:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 11:14:29,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 11:14:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_status [2021-12-18 11:14:29,028 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_status [2021-12-18 11:14:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2021-12-18 11:14:29,028 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2021-12-18 11:14:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_64 [2021-12-18 11:14:29,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_64 [2021-12-18 11:14:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set_1 [2021-12-18 11:14:29,029 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set_1 [2021-12-18 11:14:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-18 11:14:29,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-18 11:14:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2021-12-18 11:14:29,029 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2021-12-18 11:14:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_watchdog [2021-12-18 11:14:29,029 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_watchdog [2021-12-18 11:14:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2021-12-18 11:14:29,030 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2021-12-18 11:14:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2021-12-18 11:14:29,030 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2021-12-18 11:14:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2021-12-18 11:14:29,031 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2021-12-18 11:14:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 11:14:29,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 11:14:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 11:14:29,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 11:14:29,031 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2021-12-18 11:14:29,031 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2021-12-18 11:14:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_get_link_status [2021-12-18 11:14:29,032 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_get_link_status [2021-12-18 11:14:29,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 11:14:29,033 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-18 11:14:29,033 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-18 11:14:29,033 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 11:14:29,033 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 11:14:29,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 11:14:29,034 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-18 11:14:29,034 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-18 11:14:29,034 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_default [2021-12-18 11:14:29,034 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_default [2021-12-18 11:14:29,034 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_clock [2021-12-18 11:14:29,034 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_clock [2021-12-18 11:14:29,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 11:14:29,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 11:14:29,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 11:14:29,035 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2021-12-18 11:14:29,035 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2021-12-18 11:14:29,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 11:14:29,036 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2021-12-18 11:14:29,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2021-12-18 11:14:29,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 11:14:29,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 11:14:29,036 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_default [2021-12-18 11:14:29,036 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_default [2021-12-18 11:14:29,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 11:14:29,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 11:14:29,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 11:14:29,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 11:14:29,037 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2021-12-18 11:14:29,037 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2021-12-18 11:14:29,037 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2021-12-18 11:14:29,037 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2021-12-18 11:14:29,037 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 11:14:29,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 11:14:29,038 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-18 11:14:29,038 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-18 11:14:29,038 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_crc_length [2021-12-18 11:14:29,038 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_crc_length [2021-12-18 11:14:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2021-12-18 11:14:29,039 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2021-12-18 11:14:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 11:14:29,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 11:14:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-12-18 11:14:29,040 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-12-18 11:14:29,040 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2021-12-18 11:14:29,040 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2021-12-18 11:14:29,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 11:14:29,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 11:14:29,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 11:14:29,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-18 11:14:29,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-18 11:14:29,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 11:14:29,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 11:14:29,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 11:14:29,041 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 11:14:29,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 11:14:29,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2021-12-18 11:14:29,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2021-12-18 11:14:29,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 11:14:29,042 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2021-12-18 11:14:29,042 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2021-12-18 11:14:29,042 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 11:14:29,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 11:14:29,044 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-18 11:14:29,045 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-18 11:14:29,045 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 11:14:29,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 11:14:29,046 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_init [2021-12-18 11:14:29,046 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_init [2021-12-18 11:14:29,046 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-18 11:14:29,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-18 11:14:29,047 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2021-12-18 11:14:29,051 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2021-12-18 11:14:29,052 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-18 11:14:29,052 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-18 11:14:29,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 11:14:29,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 11:14:29,052 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_watchdog [2021-12-18 11:14:29,052 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_watchdog [2021-12-18 11:14:29,052 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_status [2021-12-18 11:14:29,053 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_status [2021-12-18 11:14:29,053 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2021-12-18 11:14:29,053 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2021-12-18 11:14:29,053 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_clock [2021-12-18 11:14:29,053 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_clock [2021-12-18 11:14:29,053 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-18 11:14:29,053 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-18 11:14:29,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 11:14:29,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 11:14:29,053 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2021-12-18 11:14:29,053 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2021-12-18 11:14:29,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 11:14:29,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 11:14:29,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 11:14:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 11:14:29,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2021-12-18 11:14:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2021-12-18 11:14:29,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 11:14:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 11:14:29,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 11:14:29,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 11:14:29,055 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_get_link_status [2021-12-18 11:14:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_get_link_status [2021-12-18 11:14:29,055 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2021-12-18 11:14:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2021-12-18 11:14:29,055 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_status [2021-12-18 11:14:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_status [2021-12-18 11:14:29,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 11:14:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 11:14:29,055 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_get_link_status [2021-12-18 11:14:29,055 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_get_link_status [2021-12-18 11:14:29,056 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_init [2021-12-18 11:14:29,056 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_init [2021-12-18 11:14:29,056 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 11:14:29,056 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 11:14:29,056 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2021-12-18 11:14:29,056 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2021-12-18 11:14:29,056 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_init [2021-12-18 11:14:29,056 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_init [2021-12-18 11:14:29,056 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2021-12-18 11:14:29,056 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2021-12-18 11:14:29,057 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 11:14:29,057 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 11:14:29,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 11:14:29,057 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2021-12-18 11:14:29,057 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2021-12-18 11:14:29,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2021-12-18 11:14:29,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2021-12-18 11:14:29,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 11:14:29,057 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-18 11:14:29,057 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-18 11:14:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2021-12-18 11:14:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2021-12-18 11:14:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 11:14:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-18 11:14:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-18 11:14:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_speed [2021-12-18 11:14:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_speed [2021-12-18 11:14:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_crc_length [2021-12-18 11:14:29,058 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_crc_length [2021-12-18 11:14:29,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 11:14:29,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 11:14:29,059 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2021-12-18 11:14:29,059 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2021-12-18 11:14:29,059 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2021-12-18 11:14:29,059 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2021-12-18 11:14:29,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 11:14:29,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 11:14:29,059 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-18 11:14:29,059 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-18 11:14:29,059 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2021-12-18 11:14:29,060 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2021-12-18 11:14:29,060 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2021-12-18 11:14:29,060 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2021-12-18 11:14:29,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 11:14:29,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 11:14:29,060 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 11:14:29,060 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 11:14:29,060 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 11:14:29,060 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 11:14:29,060 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_link_status [2021-12-18 11:14:29,060 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_link_status [2021-12-18 11:14:29,061 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_watchdog [2021-12-18 11:14:29,061 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_watchdog [2021-12-18 11:14:29,061 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 11:14:29,061 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 11:14:29,061 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_watchdog [2021-12-18 11:14:29,061 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_watchdog [2021-12-18 11:14:29,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 11:14:29,061 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-18 11:14:29,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-18 11:14:29,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 11:14:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 11:14:29,062 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_link_status [2021-12-18 11:14:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_link_status [2021-12-18 11:14:29,062 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_init [2021-12-18 11:14:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_init [2021-12-18 11:14:29,062 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2021-12-18 11:14:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2021-12-18 11:14:29,062 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_default [2021-12-18 11:14:29,062 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_default [2021-12-18 11:14:29,062 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-18 11:14:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-18 11:14:29,063 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_crc_length [2021-12-18 11:14:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_crc_length [2021-12-18 11:14:29,063 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_clock [2021-12-18 11:14:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_clock [2021-12-18 11:14:29,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 11:14:29,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 11:14:29,064 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set2_1 [2021-12-18 11:14:29,067 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set2_1 [2021-12-18 11:14:29,067 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2021-12-18 11:14:29,067 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2021-12-18 11:14:29,067 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-18 11:14:29,067 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-18 11:14:29,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 11:14:29,067 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-18 11:14:29,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-18 11:14:29,068 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-12-18 11:14:29,069 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-12-18 11:14:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 11:14:29,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 11:14:29,069 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2021-12-18 11:14:29,069 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2021-12-18 11:14:29,830 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 11:14:29,834 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 11:14:30,135 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 11:14:31,086 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call #t~mem1247#1.base, #t~mem1247#1.offset := read~$Pointer$(~sc#1.base, 141 + ~sc#1.offset, 8); [2021-12-18 11:14:31,086 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L12881: SUMMARY for call lmc_trace(#t~mem1247#1.base, #t~mem1247#1.offset, 129, 0); srcloc: null [2021-12-18 11:14:31,086 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L12881-1: havoc #t~mem1247#1.base, #t~mem1247#1.offset; [2021-12-18 11:14:33,181 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 11:14:33,291 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 11:14:33,313 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 11:14:33,314 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 11:14:33,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:14:33 BoogieIcfgContainer [2021-12-18 11:14:33,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 11:14:33,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 11:14:33,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 11:14:33,325 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 11:14:33,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 11:14:25" (1/3) ... [2021-12-18 11:14:33,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7adfb101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:14:33, skipping insertion in model container [2021-12-18 11:14:33,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:14:28" (2/3) ... [2021-12-18 11:14:33,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7adfb101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:14:33, skipping insertion in model container [2021-12-18 11:14:33,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:14:33" (3/3) ... [2021-12-18 11:14:33,327 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2021-12-18 11:14:33,331 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 11:14:33,331 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-18 11:14:33,370 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 11:14:33,375 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 11:14:33,379 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-18 11:14:33,438 INFO L276 IsEmpty]: Start isEmpty. Operand has 2514 states, 1621 states have (on average 1.2874768661320173) internal successors, (2087), 1691 states have internal predecessors, (2087), 772 states have call successors, (772), 119 states have call predecessors, (772), 118 states have return successors, (765), 722 states have call predecessors, (765), 765 states have call successors, (765) [2021-12-18 11:14:33,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-12-18 11:14:33,456 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:14:33,457 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:14:33,457 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 11:14:33,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:14:33,461 INFO L85 PathProgramCache]: Analyzing trace with hash 548688897, now seen corresponding path program 1 times [2021-12-18 11:14:33,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:14:33,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626166561] [2021-12-18 11:14:33,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:14:33,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:14:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:33,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:14:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:14:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:14:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:14:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:14:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:14:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:14:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:14:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:14:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:14:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:14:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:14:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:14:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:14:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:14:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:34,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 11:14:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 11:14:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:34,477 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-18 11:14:34,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:14:34,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626166561] [2021-12-18 11:14:34,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626166561] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:14:34,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:14:34,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:14:34,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122047095] [2021-12-18 11:14:34,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:14:34,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:14:34,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:14:34,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:14:34,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:14:34,518 INFO L87 Difference]: Start difference. First operand has 2514 states, 1621 states have (on average 1.2874768661320173) internal successors, (2087), 1691 states have internal predecessors, (2087), 772 states have call successors, (772), 119 states have call predecessors, (772), 118 states have return successors, (765), 722 states have call predecessors, (765), 765 states have call successors, (765) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-18 11:14:40,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:14:40,578 INFO L93 Difference]: Finished difference Result 7548 states and 11067 transitions. [2021-12-18 11:14:40,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:14:40,586 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 195 [2021-12-18 11:14:40,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:14:40,636 INFO L225 Difference]: With dead ends: 7548 [2021-12-18 11:14:40,636 INFO L226 Difference]: Without dead ends: 5058 [2021-12-18 11:14:40,657 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 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 11:14:40,663 INFO L933 BasicCegarLoop]: 3668 mSDtfsCounter, 4395 mSDsluCounter, 3545 mSDsCounter, 0 mSdLazyCounter, 2845 mSolverCounterSat, 2636 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5129 SdHoareTripleChecker+Valid, 7213 SdHoareTripleChecker+Invalid, 5481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2636 IncrementalHoareTripleChecker+Valid, 2845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-12-18 11:14:40,664 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5129 Valid, 7213 Invalid, 5481 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2636 Valid, 2845 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2021-12-18 11:14:40,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5058 states. [2021-12-18 11:14:40,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5058 to 4866. [2021-12-18 11:14:40,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4866 states, 3151 states have (on average 1.2865756902570613) internal successors, (4054), 3290 states have internal predecessors, (4054), 1480 states have call successors, (1480), 233 states have call predecessors, (1480), 232 states have return successors, (1476), 1390 states have call predecessors, (1476), 1476 states have call successors, (1476) [2021-12-18 11:14:40,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4866 states to 4866 states and 7010 transitions. [2021-12-18 11:14:40,963 INFO L78 Accepts]: Start accepts. Automaton has 4866 states and 7010 transitions. Word has length 195 [2021-12-18 11:14:40,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:14:40,967 INFO L470 AbstractCegarLoop]: Abstraction has 4866 states and 7010 transitions. [2021-12-18 11:14:40,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-18 11:14:40,967 INFO L276 IsEmpty]: Start isEmpty. Operand 4866 states and 7010 transitions. [2021-12-18 11:14:40,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-12-18 11:14:40,983 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:14:40,983 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:14:40,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 11:14:40,984 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 11:14:40,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:14:40,984 INFO L85 PathProgramCache]: Analyzing trace with hash -191221453, now seen corresponding path program 1 times [2021-12-18 11:14:40,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:14:40,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877327910] [2021-12-18 11:14:40,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:14:40,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:14:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:14:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:14:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:14:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:14:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:14:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:41,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:14:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:14:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:14:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:14:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:14:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:14:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:14:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:14:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:14:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:14:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 11:14:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 11:14:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 11:14:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 11:14:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:41,524 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-18 11:14:41,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:14:41,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877327910] [2021-12-18 11:14:41,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877327910] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:14:41,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:14:41,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:14:41,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746972865] [2021-12-18 11:14:41,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:14:41,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:14:41,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:14:41,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:14:41,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:14:41,528 INFO L87 Difference]: Start difference. First operand 4866 states and 7010 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-18 11:14:47,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:14:47,444 INFO L93 Difference]: Finished difference Result 14528 states and 21033 transitions. [2021-12-18 11:14:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:14:47,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 206 [2021-12-18 11:14:47,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:14:47,515 INFO L225 Difference]: With dead ends: 14528 [2021-12-18 11:14:47,515 INFO L226 Difference]: Without dead ends: 9697 [2021-12-18 11:14:47,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 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 11:14:47,548 INFO L933 BasicCegarLoop]: 3652 mSDtfsCounter, 4185 mSDsluCounter, 3589 mSDsCounter, 0 mSdLazyCounter, 2795 mSolverCounterSat, 2642 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4890 SdHoareTripleChecker+Valid, 7241 SdHoareTripleChecker+Invalid, 5437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2642 IncrementalHoareTripleChecker+Valid, 2795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-12-18 11:14:47,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4890 Valid, 7241 Invalid, 5437 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2642 Valid, 2795 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2021-12-18 11:14:47,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9697 states. [2021-12-18 11:14:47,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9697 to 9303. [2021-12-18 11:14:47,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9303 states, 6000 states have (on average 1.2845) internal successors, (7707), 6276 states have internal predecessors, (7707), 2843 states have call successors, (2843), 454 states have call predecessors, (2843), 457 states have return successors, (2879), 2660 states have call predecessors, (2879), 2839 states have call successors, (2879) [2021-12-18 11:14:47,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9303 states to 9303 states and 13429 transitions. [2021-12-18 11:14:47,988 INFO L78 Accepts]: Start accepts. Automaton has 9303 states and 13429 transitions. Word has length 206 [2021-12-18 11:14:47,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:14:47,989 INFO L470 AbstractCegarLoop]: Abstraction has 9303 states and 13429 transitions. [2021-12-18 11:14:47,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-18 11:14:47,989 INFO L276 IsEmpty]: Start isEmpty. Operand 9303 states and 13429 transitions. [2021-12-18 11:14:47,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-12-18 11:14:47,994 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:14:47,994 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:14:47,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 11:14:47,995 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 11:14:47,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:14:47,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1067608892, now seen corresponding path program 1 times [2021-12-18 11:14:47,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:14:47,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194471004] [2021-12-18 11:14:47,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:14:47,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:14:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:14:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:14:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:14:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:14:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:14:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:14:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:14:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:14:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:14:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:14:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:14:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:14:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:14:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:14:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:14:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 11:14:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 11:14:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-18 11:14:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:48,393 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-18 11:14:48,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:14:48,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194471004] [2021-12-18 11:14:48,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194471004] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:14:48,394 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:14:48,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:14:48,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564323685] [2021-12-18 11:14:48,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:14:48,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:14:48,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:14:48,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:14:48,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:14:48,396 INFO L87 Difference]: Start difference. First operand 9303 states and 13429 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-18 11:14:53,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:14:53,812 INFO L93 Difference]: Finished difference Result 27015 states and 39040 transitions. [2021-12-18 11:14:53,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:14:53,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 214 [2021-12-18 11:14:53,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:14:53,943 INFO L225 Difference]: With dead ends: 27015 [2021-12-18 11:14:53,943 INFO L226 Difference]: Without dead ends: 17747 [2021-12-18 11:14:54,012 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 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 11:14:54,015 INFO L933 BasicCegarLoop]: 3636 mSDtfsCounter, 3981 mSDsluCounter, 3594 mSDsCounter, 0 mSdLazyCounter, 2719 mSolverCounterSat, 2536 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4587 SdHoareTripleChecker+Valid, 7230 SdHoareTripleChecker+Invalid, 5255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2536 IncrementalHoareTripleChecker+Valid, 2719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-12-18 11:14:54,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4587 Valid, 7230 Invalid, 5255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2536 Valid, 2719 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-12-18 11:14:54,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17747 states. [2021-12-18 11:14:54,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17747 to 17329. [2021-12-18 11:14:54,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17329 states, 11206 states have (on average 1.2795823665893271) internal successors, (14339), 11732 states have internal predecessors, (14339), 5195 states have call successors, (5195), 886 states have call predecessors, (5195), 925 states have return successors, (5451), 4850 states have call predecessors, (5451), 5191 states have call successors, (5451) [2021-12-18 11:14:54,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17329 states to 17329 states and 24985 transitions. [2021-12-18 11:14:54,731 INFO L78 Accepts]: Start accepts. Automaton has 17329 states and 24985 transitions. Word has length 214 [2021-12-18 11:14:54,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:14:54,733 INFO L470 AbstractCegarLoop]: Abstraction has 17329 states and 24985 transitions. [2021-12-18 11:14:54,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-18 11:14:54,734 INFO L276 IsEmpty]: Start isEmpty. Operand 17329 states and 24985 transitions. [2021-12-18 11:14:54,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-12-18 11:14:54,739 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:14:54,740 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:14:54,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 11:14:54,740 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:14:54,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:14:54,741 INFO L85 PathProgramCache]: Analyzing trace with hash -368191363, now seen corresponding path program 1 times [2021-12-18 11:14:54,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:14:54,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193365497] [2021-12-18 11:14:54,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:14:54,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:14:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:54,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:14:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:54,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:54,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:14:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:54,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:54,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:14:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:54,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:54,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:14:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:54,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:54,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:14:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:54,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:54,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:14:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:54,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:54,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:14:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:54,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:54,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:14:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:54,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:54,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:14:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:54,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:54,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:14:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:54,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:54,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:14:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:54,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:54,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:14:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:55,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:55,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:14:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:55,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:55,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:14:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:55,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:55,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:14:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:55,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:55,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 11:14:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:55,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 11:14:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:55,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 11:14:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:55,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:14:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:55,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 11:14:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:14:55,184 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-18 11:14:55,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:14:55,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193365497] [2021-12-18 11:14:55,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193365497] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:14:55,185 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:14:55,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:14:55,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921914198] [2021-12-18 11:14:55,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:14:55,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:14:55,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:14:55,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:14:55,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:14:55,187 INFO L87 Difference]: Start difference. First operand 17329 states and 24985 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-18 11:15:01,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:15:01,134 INFO L93 Difference]: Finished difference Result 51913 states and 74964 transitions. [2021-12-18 11:15:01,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:15:01,134 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 212 [2021-12-18 11:15:01,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:15:01,373 INFO L225 Difference]: With dead ends: 51913 [2021-12-18 11:15:01,373 INFO L226 Difference]: Without dead ends: 34619 [2021-12-18 11:15:01,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 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 11:15:01,476 INFO L933 BasicCegarLoop]: 3790 mSDtfsCounter, 4306 mSDsluCounter, 3647 mSDsCounter, 0 mSdLazyCounter, 2751 mSolverCounterSat, 2630 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5023 SdHoareTripleChecker+Valid, 7437 SdHoareTripleChecker+Invalid, 5381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2630 IncrementalHoareTripleChecker+Valid, 2751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-12-18 11:15:01,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5023 Valid, 7437 Invalid, 5381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2630 Valid, 2751 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-12-18 11:15:01,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34619 states. [2021-12-18 11:15:02,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34619 to 33803. [2021-12-18 11:15:02,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33803 states, 21842 states have (on average 1.2804230381833166) internal successors, (27967), 22890 states have internal predecessors, (27967), 10135 states have call successors, (10135), 1754 states have call predecessors, (10135), 1823 states have return successors, (10641), 9430 states have call predecessors, (10641), 10131 states have call successors, (10641) [2021-12-18 11:15:03,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33803 states to 33803 states and 48743 transitions. [2021-12-18 11:15:03,182 INFO L78 Accepts]: Start accepts. Automaton has 33803 states and 48743 transitions. Word has length 212 [2021-12-18 11:15:03,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:15:03,182 INFO L470 AbstractCegarLoop]: Abstraction has 33803 states and 48743 transitions. [2021-12-18 11:15:03,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-18 11:15:03,183 INFO L276 IsEmpty]: Start isEmpty. Operand 33803 states and 48743 transitions. [2021-12-18 11:15:03,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-12-18 11:15:03,188 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:15:03,188 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:15:03,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 11:15:03,189 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:15:03,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:15:03,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1034672557, now seen corresponding path program 1 times [2021-12-18 11:15:03,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:15:03,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845977551] [2021-12-18 11:15:03,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:15:03,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:15:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:15:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:15:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:15:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:15:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:15:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:03,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:15:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:15:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:15:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:15:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:15:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:15:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:15:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:15:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:15:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:15:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 11:15:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-18 11:15:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 11:15:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:03,606 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-18 11:15:03,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:15:03,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845977551] [2021-12-18 11:15:03,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845977551] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:15:03,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:15:03,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 11:15:03,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880170621] [2021-12-18 11:15:03,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:15:03,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 11:15:03,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:15:03,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 11:15:03,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-18 11:15:03,609 INFO L87 Difference]: Start difference. First operand 33803 states and 48743 transitions. Second operand has 7 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-18 11:15:16,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:15:16,431 INFO L93 Difference]: Finished difference Result 88985 states and 128405 transitions. [2021-12-18 11:15:16,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 11:15:16,432 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 212 [2021-12-18 11:15:16,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:15:16,794 INFO L225 Difference]: With dead ends: 88985 [2021-12-18 11:15:16,794 INFO L226 Difference]: Without dead ends: 55217 [2021-12-18 11:15:16,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-12-18 11:15:16,958 INFO L933 BasicCegarLoop]: 4822 mSDtfsCounter, 12834 mSDsluCounter, 5703 mSDsCounter, 0 mSdLazyCounter, 8300 mSolverCounterSat, 8243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14190 SdHoareTripleChecker+Valid, 10525 SdHoareTripleChecker+Invalid, 16543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8243 IncrementalHoareTripleChecker+Valid, 8300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2021-12-18 11:15:16,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14190 Valid, 10525 Invalid, 16543 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8243 Valid, 8300 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2021-12-18 11:15:17,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55217 states. [2021-12-18 11:15:18,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55217 to 53701. [2021-12-18 11:15:18,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53701 states, 34667 states have (on average 1.2824299766348402) internal successors, (44458), 36441 states have internal predecessors, (44458), 16056 states have call successors, (16056), 2872 states have call predecessors, (16056), 2975 states have return successors, (16640), 14805 states have call predecessors, (16640), 16052 states have call successors, (16640) [2021-12-18 11:15:19,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53701 states to 53701 states and 77154 transitions. [2021-12-18 11:15:19,402 INFO L78 Accepts]: Start accepts. Automaton has 53701 states and 77154 transitions. Word has length 212 [2021-12-18 11:15:19,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:15:19,403 INFO L470 AbstractCegarLoop]: Abstraction has 53701 states and 77154 transitions. [2021-12-18 11:15:19,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-18 11:15:19,403 INFO L276 IsEmpty]: Start isEmpty. Operand 53701 states and 77154 transitions. [2021-12-18 11:15:19,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-12-18 11:15:19,413 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:15:19,413 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 15, 15, 15, 15, 15, 15, 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] [2021-12-18 11:15:19,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 11:15:19,414 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 11:15:19,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:15:19,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1768603552, now seen corresponding path program 1 times [2021-12-18 11:15:19,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:15:19,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754589963] [2021-12-18 11:15:19,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:15:19,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:15:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:15:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:15:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:15:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:15:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:15:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:15:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:15:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:15:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:15:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:15:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:15:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:15:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:15:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:15:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:15:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 11:15:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-18 11:15:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-18 11:15:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 11:15:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-18 11:15:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-18 11:15:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:19,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1049 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2021-12-18 11:15:19,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:15:19,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754589963] [2021-12-18 11:15:19,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754589963] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:15:19,787 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:15:19,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:15:19,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46966342] [2021-12-18 11:15:19,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:15:19,788 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:15:19,788 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:15:19,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:15:19,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:15:19,788 INFO L87 Difference]: Start difference. First operand 53701 states and 77154 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-18 11:15:27,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:15:27,935 INFO L93 Difference]: Finished difference Result 151823 states and 218721 transitions. [2021-12-18 11:15:27,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:15:27,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 239 [2021-12-18 11:15:27,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:15:28,699 INFO L225 Difference]: With dead ends: 151823 [2021-12-18 11:15:28,700 INFO L226 Difference]: Without dead ends: 98157 [2021-12-18 11:15:28,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:15:28,989 INFO L933 BasicCegarLoop]: 3827 mSDtfsCounter, 4381 mSDsluCounter, 3687 mSDsCounter, 0 mSdLazyCounter, 2832 mSolverCounterSat, 2636 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5126 SdHoareTripleChecker+Valid, 7514 SdHoareTripleChecker+Invalid, 5468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2636 IncrementalHoareTripleChecker+Valid, 2832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-18 11:15:28,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5126 Valid, 7514 Invalid, 5468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2636 Valid, 2832 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-18 11:15:29,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98157 states. [2021-12-18 11:15:32,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98157 to 95953. [2021-12-18 11:15:32,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95953 states, 61862 states have (on average 1.282176457275872) internal successors, (79318), 65039 states have internal predecessors, (79318), 28802 states have call successors, (28802), 5085 states have call predecessors, (28802), 5286 states have return successors, (29960), 26570 states have call predecessors, (29960), 28798 states have call successors, (29960) [2021-12-18 11:15:33,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95953 states to 95953 states and 138080 transitions. [2021-12-18 11:15:33,188 INFO L78 Accepts]: Start accepts. Automaton has 95953 states and 138080 transitions. Word has length 239 [2021-12-18 11:15:33,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:15:33,189 INFO L470 AbstractCegarLoop]: Abstraction has 95953 states and 138080 transitions. [2021-12-18 11:15:33,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-18 11:15:33,190 INFO L276 IsEmpty]: Start isEmpty. Operand 95953 states and 138080 transitions. [2021-12-18 11:15:33,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-18 11:15:33,199 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:15:33,199 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 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] [2021-12-18 11:15:33,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 11:15:33,200 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 11:15:33,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:15:33,200 INFO L85 PathProgramCache]: Analyzing trace with hash -2752290, now seen corresponding path program 1 times [2021-12-18 11:15:33,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:15:33,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276814975] [2021-12-18 11:15:33,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:15:33,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:15:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:15:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:15:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:15:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:15:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:15:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:15:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:15:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:15:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:15:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:15:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:15:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:15:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:15:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:15:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:15:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 11:15:33,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 11:15:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 11:15:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 11:15:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 11:15:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 11:15:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 11:15:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-18 11:15:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:33,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2021-12-18 11:15:33,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:15:33,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276814975] [2021-12-18 11:15:33,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276814975] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:15:33,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:15:33,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:15:33,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178969229] [2021-12-18 11:15:33,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:15:33,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:15:33,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:15:33,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:15:33,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:15:33,795 INFO L87 Difference]: Start difference. First operand 95953 states and 138080 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 11:15:44,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:15:44,785 INFO L93 Difference]: Finished difference Result 286687 states and 413584 transitions. [2021-12-18 11:15:44,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:15:44,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 253 [2021-12-18 11:15:44,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:15:46,425 INFO L225 Difference]: With dead ends: 286687 [2021-12-18 11:15:46,426 INFO L226 Difference]: Without dead ends: 191767 [2021-12-18 11:15:46,999 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 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 11:15:47,000 INFO L933 BasicCegarLoop]: 5925 mSDtfsCounter, 3635 mSDsluCounter, 4557 mSDsCounter, 0 mSdLazyCounter, 2845 mSolverCounterSat, 2014 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4367 SdHoareTripleChecker+Valid, 10482 SdHoareTripleChecker+Invalid, 4859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2014 IncrementalHoareTripleChecker+Valid, 2845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-12-18 11:15:47,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4367 Valid, 10482 Invalid, 4859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2014 Valid, 2845 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-12-18 11:15:47,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191767 states. [2021-12-18 11:15:53,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191767 to 187503. [2021-12-18 11:15:53,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187503 states, 120818 states have (on average 1.2825075733748283) internal successors, (154950), 126913 states have internal predecessors, (154950), 56322 states have call successors, (56322), 9925 states have call predecessors, (56322), 10360 states have return successors, (58642), 52142 states have call predecessors, (58642), 56318 states have call successors, (58642) [2021-12-18 11:15:55,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187503 states to 187503 states and 269914 transitions. [2021-12-18 11:15:55,500 INFO L78 Accepts]: Start accepts. Automaton has 187503 states and 269914 transitions. Word has length 253 [2021-12-18 11:15:55,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:15:55,500 INFO L470 AbstractCegarLoop]: Abstraction has 187503 states and 269914 transitions. [2021-12-18 11:15:55,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 11:15:55,501 INFO L276 IsEmpty]: Start isEmpty. Operand 187503 states and 269914 transitions. [2021-12-18 11:15:55,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-18 11:15:55,511 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:15:55,511 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 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] [2021-12-18 11:15:55,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 11:15:55,511 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 11:15:55,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:15:55,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1920475744, now seen corresponding path program 1 times [2021-12-18 11:15:55,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:15:55,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463916438] [2021-12-18 11:15:55,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:15:55,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:15:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:15:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:15:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:15:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:15:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:15:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:15:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:15:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:15:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:15:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:15:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:15:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:15:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:15:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:15:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:15:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 11:15:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 11:15:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 11:15:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 11:15:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 11:15:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:15:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 11:15:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 11:15:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-18 11:15:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:15:55,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2021-12-18 11:15:55,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:15:55,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463916438] [2021-12-18 11:15:55,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463916438] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:15:55,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:15:55,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:15:55,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609409383] [2021-12-18 11:15:55,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:15:55,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:15:55,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:15:55,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:15:55,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:15:55,983 INFO L87 Difference]: Start difference. First operand 187503 states and 269914 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)