./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-tun.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-tun.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 97cecdf2f398250e9c44f19d8d35ed7fcac528daa12758af85552fae0658b596 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:52:51,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:52:51,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:52:51,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:52:51,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:52:51,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:52:51,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:52:51,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:52:51,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:52:51,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:52:51,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:52:51,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:52:51,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:52:51,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:52:51,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:52:51,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:52:51,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:52:51,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:52:51,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:52:51,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:52:51,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:52:51,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:52:51,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:52:51,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:52:51,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:52:51,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:52:51,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:52:51,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:52:51,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:52:51,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:52:51,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:52:51,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:52:51,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:52:51,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:52:51,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:52:51,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:52:51,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:52:51,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:52:51,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:52:51,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:52:51,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:52:51,407 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:52:51,435 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:52:51,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:52:51,436 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:52:51,436 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:52:51,437 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:52:51,437 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:52:51,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:52:51,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:52:51,437 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:52:51,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:52:51,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:52:51,438 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:52:51,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:52:51,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:52:51,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:52:51,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:52:51,439 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:52:51,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:52:51,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:52:51,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:52:51,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:52:51,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:52:51,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:52:51,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:52:51,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:52:51,441 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:52:51,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:52:51,441 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:52:51,441 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:52:51,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:52:51,442 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:52:51,442 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97cecdf2f398250e9c44f19d8d35ed7fcac528daa12758af85552fae0658b596 [2021-12-16 04:52:51,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:52:51,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:52:51,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:52:51,681 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:52:51,681 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:52:51,682 INFO L432 ainManager$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-tun.cil.i [2021-12-16 04:52:51,756 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a99809be6/41ed2984f48d410d9a2d9eb587015d12/FLAG25cbdc431 [2021-12-16 04:52:52,476 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:52:52,476 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-tun.cil.i [2021-12-16 04:52:52,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a99809be6/41ed2984f48d410d9a2d9eb587015d12/FLAG25cbdc431 [2021-12-16 04:52:52,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a99809be6/41ed2984f48d410d9a2d9eb587015d12 [2021-12-16 04:52:52,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:52:52,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:52:52,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:52:52,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:52:52,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:52:52,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:52:52" (1/1) ... [2021-12-16 04:52:52,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c19d251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:52, skipping insertion in model container [2021-12-16 04:52:52,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:52:52" (1/1) ... [2021-12-16 04:52:52,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:52:52,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:52:55,828 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-tun.cil.i[428896,428909] [2021-12-16 04:52:55,832 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-tun.cil.i[429065,429078] [2021-12-16 04:52:55,833 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-tun.cil.i[429232,429245] [2021-12-16 04:52:55,833 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-tun.cil.i[429400,429413] [2021-12-16 04:52:55,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:52:55,911 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:52:56,350 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-tun.cil.i[428896,428909] [2021-12-16 04:52:56,352 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-tun.cil.i[429065,429078] [2021-12-16 04:52:56,353 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-tun.cil.i[429232,429245] [2021-12-16 04:52:56,353 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-tun.cil.i[429400,429413] [2021-12-16 04:52:56,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:52:56,576 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:52:56,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:56 WrapperNode [2021-12-16 04:52:56,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:52:56,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:52:56,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:52:56,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:52:56,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:56" (1/1) ... [2021-12-16 04:52:56,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:56" (1/1) ... [2021-12-16 04:52:56,912 INFO L137 Inliner]: procedures = 614, calls = 2613, calls flagged for inlining = 322, calls inlined = 255, statements flattened = 7165 [2021-12-16 04:52:56,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:52:56,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:52:56,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:52:56,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:52:56,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:56" (1/1) ... [2021-12-16 04:52:56,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:56" (1/1) ... [2021-12-16 04:52:56,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:56" (1/1) ... [2021-12-16 04:52:56,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:56" (1/1) ... [2021-12-16 04:52:57,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:56" (1/1) ... [2021-12-16 04:52:57,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:56" (1/1) ... [2021-12-16 04:52:57,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:56" (1/1) ... [2021-12-16 04:52:57,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:52:57,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:52:57,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:52:57,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:52:57,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:56" (1/1) ... [2021-12-16 04:52:57,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:52:57,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:52:57,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 04:52:57,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 04:52:57,261 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get [2021-12-16 04:52:57,261 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get [2021-12-16 04:52:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-16 04:52:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-16 04:52:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:52:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:52:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-16 04:52:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-16 04:52:57,262 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_hash [2021-12-16 04:52:57,262 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_hash [2021-12-16 04:52:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure tun_attach [2021-12-16 04:52:57,263 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_attach [2021-12-16 04:52:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure ns_capable [2021-12-16 04:52:57,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_capable [2021-12-16 04:52:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-16 04:52:57,263 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-16 04:52:57,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-16 04:52:57,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-16 04:52:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure gid_valid [2021-12-16 04:52:57,264 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_valid [2021-12-16 04:52:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-16 04:52:57,264 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-16 04:52:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-16 04:52:57,264 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-16 04:52:57,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 04:52:57,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 04:52:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:52:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure sock_writeable [2021-12-16 04:52:57,265 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_writeable [2021-12-16 04:52:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-16 04:52:57,265 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-16 04:52:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2021-12-16 04:52:57,266 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2021-12-16 04:52:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-16 04:52:57,266 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-16 04:52:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2021-12-16 04:52:57,266 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2021-12-16 04:52:57,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:52:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-16 04:52:57,267 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-16 04:52:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_iff [2021-12-16 04:52:57,267 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_iff [2021-12-16 04:52:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:52:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_76 [2021-12-16 04:52:57,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_76 [2021-12-16 04:52:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-16 04:52:57,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-16 04:52:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_detach [2021-12-16 04:52:57,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_detach [2021-12-16 04:52:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:52:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:52:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:52:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2021-12-16 04:52:57,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2021-12-16 04:52:57,270 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_all [2021-12-16 04:52:57,270 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_all [2021-12-16 04:52:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-16 04:52:57,271 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-16 04:52:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-16 04:52:57,271 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-16 04:52:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-16 04:52:57,271 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-16 04:52:57,271 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-12-16 04:52:57,271 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-12-16 04:52:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-16 04:52:57,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-16 04:52:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:52:57,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-16 04:52:57,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-16 04:52:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-16 04:52:57,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-16 04:52:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-16 04:52:57,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-16 04:52:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:52:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-16 04:52:57,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-16 04:52:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:52:57,273 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-16 04:52:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2021-12-16 04:52:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2021-12-16 04:52:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-16 04:52:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-16 04:52:57,274 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-16 04:52:57,274 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-16 04:52:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure tun_setup [2021-12-16 04:52:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_setup [2021-12-16 04:52:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_transport_header [2021-12-16 04:52:57,275 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_transport_header [2021-12-16 04:52:57,275 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-16 04:52:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-16 04:52:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-16 04:52:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-16 04:52:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_find [2021-12-16 04:52:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_find [2021-12-16 04:52:57,276 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_uninit [2021-12-16 04:52:57,276 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_uninit [2021-12-16 04:52:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-16 04:52:57,277 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-16 04:52:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_net [2021-12-16 04:52:57,277 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_net [2021-12-16 04:52:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:52:57,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:52:57,277 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2021-12-16 04:52:57,277 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2021-12-16 04:52:57,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-16 04:52:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-16 04:52:57,278 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flags [2021-12-16 04:52:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flags [2021-12-16 04:52:57,278 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-12-16 04:52:57,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-12-16 04:52:57,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:52:57,279 INFO L130 BoogieDeclarations]: Found specification of procedure uid_valid [2021-12-16 04:52:57,279 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_valid [2021-12-16 04:52:57,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:52:57,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:52:57,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:52:57,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-16 04:52:57,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-16 04:52:57,282 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-16 04:52:57,282 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-16 04:52:57,282 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-16 04:52:57,283 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-16 04:52:57,287 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-16 04:52:57,287 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rtnl_is_held [2021-12-16 04:52:57,288 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rtnl_is_held [2021-12-16 04:52:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-12-16 04:52:57,288 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-12-16 04:52:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-12-16 04:52:57,288 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-12-16 04:52:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:52:57,288 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:52:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_get [2021-12-16 04:52:57,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_get [2021-12-16 04:52:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-16 04:52:57,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-16 04:52:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure sk_attach_filter [2021-12-16 04:52:57,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_attach_filter [2021-12-16 04:52:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:52:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-16 04:52:57,289 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-16 04:52:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-12-16 04:52:57,289 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-12-16 04:52:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure put_net [2021-12-16 04:52:57,290 INFO L138 BoogieDeclarations]: Found implementation of procedure put_net [2021-12-16 04:52:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:52:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_const_iovec [2021-12-16 04:52:57,290 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_const_iovec [2021-12-16 04:52:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:52:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-16 04:52:57,290 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-16 04:52:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_user [2021-12-16 04:52:57,290 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_user [2021-12-16 04:52:57,290 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-16 04:52:57,291 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-16 04:52:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_chr_ioctl [2021-12-16 04:52:57,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_chr_ioctl [2021-12-16 04:52:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-16 04:52:57,291 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-16 04:52:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_delete [2021-12-16 04:52:57,291 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_delete [2021-12-16 04:52:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure sock_rps_reset_flow_hash [2021-12-16 04:52:57,291 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_rps_reset_flow_hash [2021-12-16 04:52:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-16 04:52:57,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-16 04:52:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure tun_queue_purge [2021-12-16 04:52:57,292 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_queue_purge [2021-12-16 04:52:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure tun_hashfn [2021-12-16 04:52:57,292 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_hashfn [2021-12-16 04:52:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-16 04:52:57,292 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-16 04:52:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-16 04:52:57,292 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-16 04:52:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-16 04:52:57,293 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-16 04:52:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-12-16 04:52:57,293 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-12-16 04:52:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_75 [2021-12-16 04:52:57,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_75 [2021-12-16 04:52:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:52:57,293 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:52:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure tun_enable_queue [2021-12-16 04:52:57,294 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_enable_queue [2021-12-16 04:52:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:52:57,294 INFO L130 BoogieDeclarations]: Found specification of procedure security_tun_dev_free_security [2021-12-16 04:52:57,294 INFO L138 BoogieDeclarations]: Found implementation of procedure security_tun_dev_free_security [2021-12-16 04:52:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure hold_net [2021-12-16 04:52:57,295 INFO L138 BoogieDeclarations]: Found implementation of procedure hold_net [2021-12-16 04:52:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure tun_set_real_num_queues [2021-12-16 04:52:57,295 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_set_real_num_queues [2021-12-16 04:52:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:52:57,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:52:57,295 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2021-12-16 04:52:57,295 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2021-12-16 04:52:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2021-12-16 04:52:57,296 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2021-12-16 04:52:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure tun_do_read [2021-12-16 04:52:57,296 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_do_read [2021-12-16 04:52:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-16 04:52:57,296 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-16 04:52:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-12-16 04:52:57,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-12-16 04:52:57,296 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-16 04:52:57,296 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-16 04:52:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-12-16 04:52:57,297 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-12-16 04:52:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-16 04:52:57,297 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-16 04:52:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-16 04:52:57,297 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-16 04:52:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-16 04:52:57,297 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-16 04:52:57,297 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-16 04:52:57,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-16 04:52:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-16 04:52:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-16 04:52:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_filter [2021-12-16 04:52:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_filter [2021-12-16 04:52:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromiovecend [2021-12-16 04:52:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromiovecend [2021-12-16 04:52:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_up [2021-12-16 04:52:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_up [2021-12-16 04:52:57,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-16 04:52:57,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-16 04:52:57,299 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-16 04:52:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-16 04:52:57,299 INFO L130 BoogieDeclarations]: Found specification of procedure tun_put [2021-12-16 04:52:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_put [2021-12-16 04:52:57,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:52:57,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-16 04:52:57,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-16 04:52:58,180 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:52:58,184 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:52:58,418 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:53:00,847 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-16 04:53:00,877 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:53:00,889 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:53:00,903 INFO L301 CfgBuilder]: Removed 20 assume(true) statements. [2021-12-16 04:53:00,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:53:00 BoogieIcfgContainer [2021-12-16 04:53:00,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:53:00,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:53:00,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:53:00,911 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:53:00,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:52:52" (1/3) ... [2021-12-16 04:53:00,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b95b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:53:00, skipping insertion in model container [2021-12-16 04:53:00,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:56" (2/3) ... [2021-12-16 04:53:00,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b95b33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:53:00, skipping insertion in model container [2021-12-16 04:53:00,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:53:00" (3/3) ... [2021-12-16 04:53:00,913 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2021-12-16 04:53:00,932 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:53:00,932 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-16 04:53:00,988 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:53:00,993 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 04:53:00,993 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-16 04:53:01,037 INFO L276 IsEmpty]: Start isEmpty. Operand has 2235 states, 1646 states have (on average 1.3578371810449574) internal successors, (2235), 1682 states have internal predecessors, (2235), 481 states have call successors, (481), 106 states have call predecessors, (481), 105 states have return successors, (474), 473 states have call predecessors, (474), 474 states have call successors, (474) [2021-12-16 04:53:01,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-12-16 04:53:01,059 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:53:01,060 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:53:01,060 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:53:01,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:53:01,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1109704787, now seen corresponding path program 1 times [2021-12-16 04:53:01,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:53:01,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750143585] [2021-12-16 04:53:01,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:53:01,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:53:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:53:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:53:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:53:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:53:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:53:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:53:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:53:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:53:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:53:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:53:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:53:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:53:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:53:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:53:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:53:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:53:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:01,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:53:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:53:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:53:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-16 04:53:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-16 04:53:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 04:53:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-16 04:53:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:53:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-16 04:53:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-16 04:53:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-16 04:53:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-16 04:53:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-16 04:53:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:02,191 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2021-12-16 04:53:02,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:53:02,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750143585] [2021-12-16 04:53:02,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750143585] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:53:02,192 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:53:02,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:53:02,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350485156] [2021-12-16 04:53:02,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:53:02,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:53:02,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:53:02,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:53:02,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:53:02,220 INFO L87 Difference]: Start difference. First operand has 2235 states, 1646 states have (on average 1.3578371810449574) internal successors, (2235), 1682 states have internal predecessors, (2235), 481 states have call successors, (481), 106 states have call predecessors, (481), 105 states have return successors, (474), 473 states have call predecessors, (474), 474 states have call successors, (474) Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-16 04:53:05,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:53:05,565 INFO L93 Difference]: Finished difference Result 6313 states and 9153 transitions. [2021-12-16 04:53:05,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:53:05,568 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 327 [2021-12-16 04:53:05,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:53:05,601 INFO L225 Difference]: With dead ends: 6313 [2021-12-16 04:53:05,602 INFO L226 Difference]: Without dead ends: 4126 [2021-12-16 04:53:05,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:53:05,624 INFO L933 BasicCegarLoop]: 3180 mSDtfsCounter, 3622 mSDsluCounter, 3556 mSDsCounter, 0 mSdLazyCounter, 1710 mSolverCounterSat, 1206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3998 SdHoareTripleChecker+Valid, 6736 SdHoareTripleChecker+Invalid, 2916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1206 IncrementalHoareTripleChecker+Valid, 1710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-12-16 04:53:05,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3998 Valid, 6736 Invalid, 2916 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1206 Valid, 1710 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-12-16 04:53:05,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2021-12-16 04:53:05,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 4110. [2021-12-16 04:53:05,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4110 states, 3019 states have (on average 1.3176548526001988) internal successors, (3978), 3089 states have internal predecessors, (3978), 882 states have call successors, (882), 207 states have call predecessors, (882), 206 states have return successors, (878), 876 states have call predecessors, (878), 878 states have call successors, (878) [2021-12-16 04:53:05,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4110 states to 4110 states and 5738 transitions. [2021-12-16 04:53:05,953 INFO L78 Accepts]: Start accepts. Automaton has 4110 states and 5738 transitions. Word has length 327 [2021-12-16 04:53:05,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:53:05,958 INFO L470 AbstractCegarLoop]: Abstraction has 4110 states and 5738 transitions. [2021-12-16 04:53:05,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-16 04:53:05,959 INFO L276 IsEmpty]: Start isEmpty. Operand 4110 states and 5738 transitions. [2021-12-16 04:53:05,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-12-16 04:53:05,972 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:53:05,972 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:53:05,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:53:05,974 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:53:05,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:53:05,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1988374258, now seen corresponding path program 1 times [2021-12-16 04:53:05,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:53:05,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10622911] [2021-12-16 04:53:05,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:53:05,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:53:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:53:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:53:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:53:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:53:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:53:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:53:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:53:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:53:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:53:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:53:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:53:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:53:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:53:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:53:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:53:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:53:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:53:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:53:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:53:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-16 04:53:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-16 04:53:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 04:53:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-16 04:53:06,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:53:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-16 04:53:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-16 04:53:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-16 04:53:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-16 04:53:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:06,567 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2021-12-16 04:53:06,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:53:06,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10622911] [2021-12-16 04:53:06,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10622911] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:53:06,568 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:53:06,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:53:06,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503280920] [2021-12-16 04:53:06,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:53:06,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:53:06,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:53:06,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:53:06,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:53:06,570 INFO L87 Difference]: Start difference. First operand 4110 states and 5738 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-16 04:53:09,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:53:09,925 INFO L93 Difference]: Finished difference Result 12120 states and 16977 transitions. [2021-12-16 04:53:09,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:53:09,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 326 [2021-12-16 04:53:09,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:53:09,967 INFO L225 Difference]: With dead ends: 12120 [2021-12-16 04:53:09,968 INFO L226 Difference]: Without dead ends: 8069 [2021-12-16 04:53:09,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:53:09,987 INFO L933 BasicCegarLoop]: 3323 mSDtfsCounter, 3559 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1664 mSolverCounterSat, 1236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3934 SdHoareTripleChecker+Valid, 6986 SdHoareTripleChecker+Invalid, 2900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1236 IncrementalHoareTripleChecker+Valid, 1664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-16 04:53:09,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3934 Valid, 6986 Invalid, 2900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1236 Valid, 1664 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-16 04:53:09,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8069 states. [2021-12-16 04:53:10,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8069 to 8013. [2021-12-16 04:53:10,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8013 states, 5904 states have (on average 1.3199525745257452) internal successors, (7793), 6044 states have internal predecessors, (7793), 1699 states have call successors, (1699), 410 states have call predecessors, (1699), 407 states have return successors, (1711), 1682 states have call predecessors, (1711), 1695 states have call successors, (1711) [2021-12-16 04:53:10,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8013 states to 8013 states and 11203 transitions. [2021-12-16 04:53:10,331 INFO L78 Accepts]: Start accepts. Automaton has 8013 states and 11203 transitions. Word has length 326 [2021-12-16 04:53:10,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:53:10,332 INFO L470 AbstractCegarLoop]: Abstraction has 8013 states and 11203 transitions. [2021-12-16 04:53:10,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-16 04:53:10,332 INFO L276 IsEmpty]: Start isEmpty. Operand 8013 states and 11203 transitions. [2021-12-16 04:53:10,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-12-16 04:53:10,339 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:53:10,339 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:53:10,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 04:53:10,339 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:53:10,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:53:10,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1875553454, now seen corresponding path program 1 times [2021-12-16 04:53:10,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:53:10,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146774874] [2021-12-16 04:53:10,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:53:10,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:53:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:53:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:53:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:53:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:53:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:53:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:53:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:53:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:53:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:53:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:53:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:53:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:53:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:53:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:53:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:53:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:53:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:53:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:53:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:53:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-16 04:53:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-16 04:53:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 04:53:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-16 04:53:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:53:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-16 04:53:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-16 04:53:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-16 04:53:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-16 04:53:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-16 04:53:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-16 04:53:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-12-16 04:53:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-12-16 04:53:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-16 04:53:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-16 04:53:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:10,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3243 trivial. 0 not checked. [2021-12-16 04:53:10,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:53:10,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146774874] [2021-12-16 04:53:10,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146774874] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:53:10,958 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:53:10,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:53:10,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839729761] [2021-12-16 04:53:10,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:53:10,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:53:10,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:53:10,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:53:10,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:53:10,961 INFO L87 Difference]: Start difference. First operand 8013 states and 11203 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, (38), 3 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-16 04:53:13,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:53:13,307 INFO L93 Difference]: Finished difference Result 15961 states and 22264 transitions. [2021-12-16 04:53:13,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:53:13,307 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, (38), 3 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 360 [2021-12-16 04:53:13,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:53:13,352 INFO L225 Difference]: With dead ends: 15961 [2021-12-16 04:53:13,353 INFO L226 Difference]: Without dead ends: 8007 [2021-12-16 04:53:13,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:53:13,387 INFO L933 BasicCegarLoop]: 3094 mSDtfsCounter, 2104 mSDsluCounter, 3508 mSDsCounter, 0 mSdLazyCounter, 1560 mSolverCounterSat, 824 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2356 SdHoareTripleChecker+Valid, 6602 SdHoareTripleChecker+Invalid, 2384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 824 IncrementalHoareTripleChecker+Valid, 1560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-16 04:53:13,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2356 Valid, 6602 Invalid, 2384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [824 Valid, 1560 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-16 04:53:13,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8007 states. [2021-12-16 04:53:13,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8007 to 7941. [2021-12-16 04:53:13,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7941 states, 5916 states have (on average 1.3125422582826234) internal successors, (7765), 6043 states have internal predecessors, (7765), 1605 states have call successors, (1605), 421 states have call predecessors, (1605), 417 states have return successors, (1613), 1581 states have call predecessors, (1613), 1601 states have call successors, (1613) [2021-12-16 04:53:13,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7941 states to 7941 states and 10983 transitions. [2021-12-16 04:53:13,650 INFO L78 Accepts]: Start accepts. Automaton has 7941 states and 10983 transitions. Word has length 360 [2021-12-16 04:53:13,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:53:13,654 INFO L470 AbstractCegarLoop]: Abstraction has 7941 states and 10983 transitions. [2021-12-16 04:53:13,655 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, (38), 3 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-16 04:53:13,655 INFO L276 IsEmpty]: Start isEmpty. Operand 7941 states and 10983 transitions. [2021-12-16 04:53:13,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-12-16 04:53:13,660 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:53:13,660 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:53:13,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 04:53:13,660 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:53:13,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:53:13,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1353308096, now seen corresponding path program 1 times [2021-12-16 04:53:13,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:53:13,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177051265] [2021-12-16 04:53:13,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:53:13,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:53:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:13,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:53:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:13,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:13,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:53:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:13,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:13,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:53:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:13,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:13,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:53:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:13,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:13,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:53:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:13,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:13,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:53:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:13,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:13,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:53:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:13,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:13,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:53:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:13,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:13,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:53:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:13,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:13,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:53:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:13,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:13,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:53:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:53:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:53:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:53:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:53:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:53:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:53:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:53:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:53:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-16 04:53:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-16 04:53:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 04:53:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-16 04:53:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:53:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-16 04:53:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-16 04:53:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-16 04:53:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-16 04:53:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-16 04:53:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-16 04:53:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-16 04:53:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-16 04:53:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-16 04:53:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:14,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3435 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3423 trivial. 0 not checked. [2021-12-16 04:53:14,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:53:14,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177051265] [2021-12-16 04:53:14,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177051265] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:53:14,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:53:14,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:53:14,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814426994] [2021-12-16 04:53:14,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:53:14,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:53:14,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:53:14,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:53:14,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:53:14,311 INFO L87 Difference]: Start difference. First operand 7941 states and 10983 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-16 04:53:17,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:53:17,417 INFO L93 Difference]: Finished difference Result 19783 states and 27469 transitions. [2021-12-16 04:53:17,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:53:17,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 373 [2021-12-16 04:53:17,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:53:17,493 INFO L225 Difference]: With dead ends: 19783 [2021-12-16 04:53:17,493 INFO L226 Difference]: Without dead ends: 13715 [2021-12-16 04:53:17,516 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:53:17,518 INFO L933 BasicCegarLoop]: 5059 mSDtfsCounter, 3129 mSDsluCounter, 4653 mSDsCounter, 0 mSdLazyCounter, 1782 mSolverCounterSat, 872 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3499 SdHoareTripleChecker+Valid, 9712 SdHoareTripleChecker+Invalid, 2654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 872 IncrementalHoareTripleChecker+Valid, 1782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-16 04:53:17,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3499 Valid, 9712 Invalid, 2654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [872 Valid, 1782 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-16 04:53:17,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13715 states. [2021-12-16 04:53:17,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13715 to 13651. [2021-12-16 04:53:17,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13651 states, 10186 states have (on average 1.3151384252896132) internal successors, (13396), 10399 states have internal predecessors, (13396), 2745 states have call successors, (2745), 722 states have call predecessors, (2745), 717 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2021-12-16 04:53:17,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13651 states to 13651 states and 18904 transitions. [2021-12-16 04:53:17,929 INFO L78 Accepts]: Start accepts. Automaton has 13651 states and 18904 transitions. Word has length 373 [2021-12-16 04:53:17,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:53:17,930 INFO L470 AbstractCegarLoop]: Abstraction has 13651 states and 18904 transitions. [2021-12-16 04:53:17,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-16 04:53:17,930 INFO L276 IsEmpty]: Start isEmpty. Operand 13651 states and 18904 transitions. [2021-12-16 04:53:17,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-12-16 04:53:17,936 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:53:17,936 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:53:17,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 04:53:17,937 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:53:17,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:53:17,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1018431166, now seen corresponding path program 1 times [2021-12-16 04:53:17,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:53:17,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584261396] [2021-12-16 04:53:17,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:53:17,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:53:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:53:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:53:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:53:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:53:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:53:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:53:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:53:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:53:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:53:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:53:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:53:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:53:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:53:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:53:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:53:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:53:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:53:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:53:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:53:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-16 04:53:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-16 04:53:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 04:53:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-16 04:53:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:53:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-16 04:53:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-16 04:53:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-16 04:53:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-16 04:53:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-16 04:53:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-16 04:53:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-16 04:53:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-16 04:53:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-16 04:53:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:18,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3435 trivial. 0 not checked. [2021-12-16 04:53:18,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:53:18,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584261396] [2021-12-16 04:53:18,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584261396] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:53:18,675 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:53:18,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:53:18,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953544618] [2021-12-16 04:53:18,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:53:18,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:53:18,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:53:18,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:53:18,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:53:18,677 INFO L87 Difference]: Start difference. First operand 13651 states and 18904 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-16 04:53:21,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:53:21,290 INFO L93 Difference]: Finished difference Result 13717 states and 19032 transitions. [2021-12-16 04:53:21,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:53:21,291 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 373 [2021-12-16 04:53:21,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:53:21,349 INFO L225 Difference]: With dead ends: 13717 [2021-12-16 04:53:21,349 INFO L226 Difference]: Without dead ends: 13715 [2021-12-16 04:53:21,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-16 04:53:21,358 INFO L933 BasicCegarLoop]: 2846 mSDtfsCounter, 3055 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 829 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3317 SdHoareTripleChecker+Valid, 8588 SdHoareTripleChecker+Invalid, 2926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 829 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-16 04:53:21,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3317 Valid, 8588 Invalid, 2926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [829 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-16 04:53:21,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13715 states. [2021-12-16 04:53:21,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13715 to 13655. [2021-12-16 04:53:21,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13655 states, 10189 states have (on average 1.3150456374521542) internal successors, (13399), 10402 states have internal predecessors, (13399), 2745 states have call successors, (2745), 723 states have call predecessors, (2745), 718 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2021-12-16 04:53:21,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13655 states to 13655 states and 18907 transitions. [2021-12-16 04:53:21,754 INFO L78 Accepts]: Start accepts. Automaton has 13655 states and 18907 transitions. Word has length 373 [2021-12-16 04:53:21,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:53:21,755 INFO L470 AbstractCegarLoop]: Abstraction has 13655 states and 18907 transitions. [2021-12-16 04:53:21,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-12-16 04:53:21,756 INFO L276 IsEmpty]: Start isEmpty. Operand 13655 states and 18907 transitions. [2021-12-16 04:53:21,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2021-12-16 04:53:21,762 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:53:21,762 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:53:21,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 04:53:21,762 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:53:21,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:53:21,763 INFO L85 PathProgramCache]: Analyzing trace with hash 286315605, now seen corresponding path program 1 times [2021-12-16 04:53:21,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:53:21,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368031371] [2021-12-16 04:53:21,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:53:21,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:53:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:53:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:53:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:53:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:53:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:53:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:53:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:53:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:53:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:53:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:53:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:53:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:53:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:53:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:53:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:53:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:53:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:53:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:53:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:53:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-16 04:53:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-16 04:53:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 04:53:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-16 04:53:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:53:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-16 04:53:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-16 04:53:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-16 04:53:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-16 04:53:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-16 04:53:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-16 04:53:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-16 04:53:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-16 04:53:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-16 04:53:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-16 04:53:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:22,549 INFO L134 CoverageAnalysis]: Checked inductivity of 3437 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3435 trivial. 0 not checked. [2021-12-16 04:53:22,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:53:22,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368031371] [2021-12-16 04:53:22,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368031371] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:53:22,550 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:53:22,550 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:53:22,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797541652] [2021-12-16 04:53:22,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:53:22,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:53:22,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:53:22,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:53:22,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:53:22,554 INFO L87 Difference]: Start difference. First operand 13655 states and 18907 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-16 04:53:25,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:53:25,201 INFO L93 Difference]: Finished difference Result 13721 states and 19035 transitions. [2021-12-16 04:53:25,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:53:25,202 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 378 [2021-12-16 04:53:25,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:53:25,256 INFO L225 Difference]: With dead ends: 13721 [2021-12-16 04:53:25,257 INFO L226 Difference]: Without dead ends: 13719 [2021-12-16 04:53:25,266 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-16 04:53:25,267 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 828 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 828 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-16 04:53:25,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [828 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-16 04:53:25,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13719 states. [2021-12-16 04:53:25,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13719 to 13659. [2021-12-16 04:53:25,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13659 states, 10192 states have (on average 1.3149529042386185) internal successors, (13402), 10405 states have internal predecessors, (13402), 2745 states have call successors, (2745), 724 states have call predecessors, (2745), 719 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2021-12-16 04:53:25,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13659 states to 13659 states and 18910 transitions. [2021-12-16 04:53:25,665 INFO L78 Accepts]: Start accepts. Automaton has 13659 states and 18910 transitions. Word has length 378 [2021-12-16 04:53:25,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:53:25,666 INFO L470 AbstractCegarLoop]: Abstraction has 13659 states and 18910 transitions. [2021-12-16 04:53:25,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-16 04:53:25,666 INFO L276 IsEmpty]: Start isEmpty. Operand 13659 states and 18910 transitions. [2021-12-16 04:53:25,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-12-16 04:53:25,672 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:53:25,672 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:53:25,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 04:53:25,673 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)] === [2021-12-16 04:53:25,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:53:25,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1817836318, now seen corresponding path program 1 times [2021-12-16 04:53:25,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:53:25,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147230401] [2021-12-16 04:53:25,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:53:25,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:53:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:25,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:53:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:25,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:25,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:53:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:25,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:25,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:53:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:25,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:25,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:53:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:25,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:25,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:53:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:25,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:25,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:53:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:25,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:25,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:53:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:25,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:53:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:53:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:53:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:53:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:53:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:53:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:53:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:53:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:53:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:53:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:53:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:53:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-16 04:53:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-16 04:53:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 04:53:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-16 04:53:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:53:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-16 04:53:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-16 04:53:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-16 04:53:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-16 04:53:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-16 04:53:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-16 04:53:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-16 04:53:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-16 04:53:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-16 04:53:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-16 04:53:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-16 04:53:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:26,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3443 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3439 trivial. 0 not checked. [2021-12-16 04:53:26,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:53:26,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147230401] [2021-12-16 04:53:26,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147230401] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:53:26,450 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:53:26,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:53:26,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236301162] [2021-12-16 04:53:26,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:53:26,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:53:26,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:53:26,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:53:26,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:53:26,452 INFO L87 Difference]: Start difference. First operand 13659 states and 18910 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-16 04:53:29,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:53:29,622 INFO L93 Difference]: Finished difference Result 13725 states and 19038 transitions. [2021-12-16 04:53:29,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:53:29,622 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 383 [2021-12-16 04:53:29,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:53:29,671 INFO L225 Difference]: With dead ends: 13725 [2021-12-16 04:53:29,672 INFO L226 Difference]: Without dead ends: 13723 [2021-12-16 04:53:29,682 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-16 04:53:29,683 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 827 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 827 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-16 04:53:29,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [827 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-16 04:53:29,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13723 states. [2021-12-16 04:53:30,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13723 to 13663. [2021-12-16 04:53:30,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13663 states, 10195 states have (on average 1.3148602256007846) internal successors, (13405), 10408 states have internal predecessors, (13405), 2745 states have call successors, (2745), 725 states have call predecessors, (2745), 720 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2021-12-16 04:53:30,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13663 states to 13663 states and 18913 transitions. [2021-12-16 04:53:30,078 INFO L78 Accepts]: Start accepts. Automaton has 13663 states and 18913 transitions. Word has length 383 [2021-12-16 04:53:30,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:53:30,078 INFO L470 AbstractCegarLoop]: Abstraction has 13663 states and 18913 transitions. [2021-12-16 04:53:30,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-12-16 04:53:30,079 INFO L276 IsEmpty]: Start isEmpty. Operand 13663 states and 18913 transitions. [2021-12-16 04:53:30,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2021-12-16 04:53:30,085 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:53:30,085 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:53:30,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 04:53:30,085 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)] === [2021-12-16 04:53:30,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:53:30,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1065827381, now seen corresponding path program 1 times [2021-12-16 04:53:30,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:53:30,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262023725] [2021-12-16 04:53:30,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:53:30,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:53:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:53:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:53:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:53:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:53:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:53:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:53:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:53:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:53:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:53:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:53:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:53:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:53:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:53:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:53:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:53:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:53:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:53:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:53:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:53:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-16 04:53:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-16 04:53:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 04:53:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-16 04:53:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:53:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-16 04:53:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-16 04:53:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-16 04:53:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-16 04:53:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-16 04:53:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-16 04:53:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-16 04:53:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-16 04:53:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-16 04:53:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-16 04:53:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-16 04:53:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-16 04:53:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:30,796 INFO L134 CoverageAnalysis]: Checked inductivity of 3453 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3447 trivial. 0 not checked. [2021-12-16 04:53:30,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:53:30,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262023725] [2021-12-16 04:53:30,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262023725] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:53:30,797 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:53:30,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:53:30,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184205802] [2021-12-16 04:53:30,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:53:30,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:53:30,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:53:30,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:53:30,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:53:30,799 INFO L87 Difference]: Start difference. First operand 13663 states and 18913 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-16 04:53:33,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:53:33,170 INFO L93 Difference]: Finished difference Result 13729 states and 19041 transitions. [2021-12-16 04:53:33,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:53:33,171 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 388 [2021-12-16 04:53:33,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:53:33,276 INFO L225 Difference]: With dead ends: 13729 [2021-12-16 04:53:33,276 INFO L226 Difference]: Without dead ends: 13727 [2021-12-16 04:53:33,285 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-16 04:53:33,299 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 826 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 826 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-16 04:53:33,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [826 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-16 04:53:33,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13727 states. [2021-12-16 04:53:33,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13727 to 13667. [2021-12-16 04:53:33,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13667 states, 10198 states have (on average 1.3147676014904883) internal successors, (13408), 10411 states have internal predecessors, (13408), 2745 states have call successors, (2745), 726 states have call predecessors, (2745), 721 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2021-12-16 04:53:33,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13667 states to 13667 states and 18916 transitions. [2021-12-16 04:53:33,747 INFO L78 Accepts]: Start accepts. Automaton has 13667 states and 18916 transitions. Word has length 388 [2021-12-16 04:53:33,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:53:33,748 INFO L470 AbstractCegarLoop]: Abstraction has 13667 states and 18916 transitions. [2021-12-16 04:53:33,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-16 04:53:33,748 INFO L276 IsEmpty]: Start isEmpty. Operand 13667 states and 18916 transitions. [2021-12-16 04:53:33,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2021-12-16 04:53:33,753 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:53:33,754 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:53:33,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-16 04:53:33,754 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:53:33,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:53:33,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1448917494, now seen corresponding path program 1 times [2021-12-16 04:53:33,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:53:33,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610136885] [2021-12-16 04:53:33,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:53:33,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:53:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:33,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:53:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:33,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:33,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:53:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:33,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:33,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:53:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:33,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:33,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:53:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:33,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:33,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:53:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:33,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:33,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:53:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:33,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:33,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:53:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:33,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:33,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:53:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:33,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:33,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:53:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:33,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:33,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:53:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:53:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:53:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:53:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:53:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:53:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:53:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:53:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:53:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:53:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-16 04:53:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-16 04:53:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 04:53:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-16 04:53:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:53:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-16 04:53:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-16 04:53:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-16 04:53:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-16 04:53:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-16 04:53:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-16 04:53:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-16 04:53:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-16 04:53:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-16 04:53:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-16 04:53:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:53:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 04:53:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-12-16 04:53:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-12-16 04:53:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-16 04:53:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-16 04:53:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:34,319 INFO L134 CoverageAnalysis]: Checked inductivity of 3472 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3459 trivial. 0 not checked. [2021-12-16 04:53:34,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:53:34,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610136885] [2021-12-16 04:53:34,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610136885] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:53:34,320 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:53:34,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:53:34,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526862298] [2021-12-16 04:53:34,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:53:34,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:53:34,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:53:34,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:53:34,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:53:34,322 INFO L87 Difference]: Start difference. First operand 13667 states and 18916 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-16 04:53:42,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:53:42,112 INFO L93 Difference]: Finished difference Result 31300 states and 43429 transitions. [2021-12-16 04:53:42,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 04:53:42,113 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 406 [2021-12-16 04:53:42,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:53:42,181 INFO L225 Difference]: With dead ends: 31300 [2021-12-16 04:53:42,181 INFO L226 Difference]: Without dead ends: 19506 [2021-12-16 04:53:42,221 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 04:53:42,223 INFO L933 BasicCegarLoop]: 5115 mSDtfsCounter, 4172 mSDsluCounter, 3212 mSDsCounter, 0 mSdLazyCounter, 5099 mSolverCounterSat, 2264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4481 SdHoareTripleChecker+Valid, 8327 SdHoareTripleChecker+Invalid, 7363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2264 IncrementalHoareTripleChecker+Valid, 5099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-12-16 04:53:42,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4481 Valid, 8327 Invalid, 7363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2264 Valid, 5099 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2021-12-16 04:53:42,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19506 states. [2021-12-16 04:53:42,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19506 to 19381. [2021-12-16 04:53:42,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19381 states, 14472 states have (on average 1.3158512990602542) internal successors, (19043), 14771 states have internal predecessors, (19043), 3885 states have call successors, (3885), 1027 states have call predecessors, (3885), 1021 states have return successors, (3913), 3849 states have call predecessors, (3913), 3881 states have call successors, (3913) [2021-12-16 04:53:42,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19381 states to 19381 states and 26841 transitions. [2021-12-16 04:53:42,900 INFO L78 Accepts]: Start accepts. Automaton has 19381 states and 26841 transitions. Word has length 406 [2021-12-16 04:53:42,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:53:42,900 INFO L470 AbstractCegarLoop]: Abstraction has 19381 states and 26841 transitions. [2021-12-16 04:53:42,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-16 04:53:42,901 INFO L276 IsEmpty]: Start isEmpty. Operand 19381 states and 26841 transitions. [2021-12-16 04:53:42,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2021-12-16 04:53:42,906 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:53:42,907 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:53:42,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-16 04:53:42,907 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-16 04:53:42,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:53:42,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1083160706, now seen corresponding path program 1 times [2021-12-16 04:53:42,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:53:42,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636825747] [2021-12-16 04:53:42,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:53:42,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:53:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:53:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:53:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:53:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:53:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:53:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:53:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:53:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:53:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:53:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:53:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:53:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:53:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:53:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:53:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:53:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:53:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:53:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:53:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 04:53:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-16 04:53:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-16 04:53:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 04:53:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-16 04:53:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 04:53:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-16 04:53:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-16 04:53:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-16 04:53:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-16 04:53:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-16 04:53:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-16 04:53:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-16 04:53:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-16 04:53:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-16 04:53:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-16 04:53:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-16 04:53:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-16 04:53:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-16 04:53:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:43,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3467 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3459 trivial. 0 not checked. [2021-12-16 04:53:43,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:53:43,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636825747] [2021-12-16 04:53:43,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636825747] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:53:43,546 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:53:43,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:53:43,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803857619] [2021-12-16 04:53:43,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:53:43,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:53:43,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:53:43,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:53:43,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:53:43,548 INFO L87 Difference]: Start difference. First operand 19381 states and 26841 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38)