./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.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 3690840768266c876b9a5649dea3d910fb39c399b8d09186979b1540326c7185 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 14:20:06,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 14:20:06,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 14:20:06,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 14:20:06,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 14:20:06,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 14:20:06,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 14:20:06,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 14:20:06,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 14:20:06,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 14:20:06,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 14:20:06,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 14:20:06,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 14:20:06,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 14:20:06,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 14:20:06,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 14:20:06,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 14:20:06,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 14:20:06,993 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 14:20:06,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 14:20:06,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 14:20:06,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 14:20:07,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 14:20:07,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 14:20:07,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 14:20:07,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 14:20:07,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 14:20:07,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 14:20:07,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 14:20:07,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 14:20:07,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 14:20:07,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 14:20:07,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 14:20:07,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 14:20:07,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 14:20:07,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 14:20:07,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 14:20:07,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 14:20:07,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 14:20:07,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 14:20:07,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 14:20:07,014 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 14:20:07,036 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 14:20:07,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 14:20:07,036 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 14:20:07,037 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 14:20:07,037 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 14:20:07,037 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 14:20:07,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 14:20:07,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 14:20:07,038 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 14:20:07,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 14:20:07,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 14:20:07,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 14:20:07,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 14:20:07,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 14:20:07,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 14:20:07,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 14:20:07,040 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 14:20:07,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 14:20:07,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 14:20:07,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 14:20:07,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 14:20:07,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 14:20:07,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 14:20:07,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 14:20:07,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 14:20:07,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 14:20:07,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 14:20:07,042 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 14:20:07,042 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 14:20:07,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 14:20:07,042 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 14:20:07,042 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3690840768266c876b9a5649dea3d910fb39c399b8d09186979b1540326c7185 [2021-12-18 14:20:07,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 14:20:07,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 14:20:07,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 14:20:07,240 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 14:20:07,241 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 14:20:07,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i [2021-12-18 14:20:07,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54569fa06/666718f50f784c128e4404d809048b12/FLAG96a9dd48b [2021-12-18 14:20:07,975 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 14:20:07,975 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i [2021-12-18 14:20:08,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54569fa06/666718f50f784c128e4404d809048b12/FLAG96a9dd48b [2021-12-18 14:20:08,523 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54569fa06/666718f50f784c128e4404d809048b12 [2021-12-18 14:20:08,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 14:20:08,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 14:20:08,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 14:20:08,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 14:20:08,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 14:20:08,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:20:08" (1/1) ... [2021-12-18 14:20:08,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fcccdd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:20:08, skipping insertion in model container [2021-12-18 14:20:08,531 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:20:08" (1/1) ... [2021-12-18 14:20:08,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 14:20:08,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 14:20:12,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[554141,554154] [2021-12-18 14:20:12,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[554310,554323] [2021-12-18 14:20:12,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[554477,554490] [2021-12-18 14:20:12,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[554645,554658] [2021-12-18 14:20:12,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 14:20:12,443 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 14:20:12,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[554141,554154] [2021-12-18 14:20:12,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[554310,554323] [2021-12-18 14:20:12,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[554477,554490] [2021-12-18 14:20:12,874 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i[554645,554658] [2021-12-18 14:20:12,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 14:20:13,083 INFO L208 MainTranslator]: Completed translation [2021-12-18 14:20:13,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:20:13 WrapperNode [2021-12-18 14:20:13,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 14:20:13,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 14:20:13,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 14:20:13,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 14:20:13,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:20:13" (1/1) ... [2021-12-18 14:20:13,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:20:13" (1/1) ... [2021-12-18 14:20:13,410 INFO L137 Inliner]: procedures = 704, calls = 4224, calls flagged for inlining = 360, calls inlined = 292, statements flattened = 8578 [2021-12-18 14:20:13,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 14:20:13,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 14:20:13,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 14:20:13,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 14:20:13,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:20:13" (1/1) ... [2021-12-18 14:20:13,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:20:13" (1/1) ... [2021-12-18 14:20:13,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:20:13" (1/1) ... [2021-12-18 14:20:13,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:20:13" (1/1) ... [2021-12-18 14:20:13,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:20:13" (1/1) ... [2021-12-18 14:20:13,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:20:13" (1/1) ... [2021-12-18 14:20:13,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:20:13" (1/1) ... [2021-12-18 14:20:13,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 14:20:13,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 14:20:13,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 14:20:13,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 14:20:13,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:20:13" (1/1) ... [2021-12-18 14:20:13,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 14:20:13,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:20:13,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 14:20:13,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 14:20:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_stop [2021-12-18 14:20:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_stop [2021-12-18 14:20:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_desc_avail [2021-12-18 14:20:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_desc_avail [2021-12-18 14:20:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_reset_dev [2021-12-18 14:20:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_reset_dev [2021-12-18 14:20:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 14:20:13,705 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 14:20:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-18 14:20:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-18 14:20:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_82 [2021-12-18 14:20:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_82 [2021-12-18 14:20:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-18 14:20:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-18 14:20:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_resume [2021-12-18 14:20:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_resume [2021-12-18 14:20:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 14:20:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 14:20:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 14:20:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 14:20:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 14:20:13,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 14:20:13,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_vmxnet3_tx_queue [2021-12-18 14:20:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_vmxnet3_tx_queue [2021-12-18 14:20:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-18 14:20:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-18 14:20:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 14:20:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 14:20:13,708 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 14:20:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 14:20:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 14:20:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 14:20:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_cmd_lock_of_vmxnet3_adapter [2021-12-18 14:20:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_cmd_lock_of_vmxnet3_adapter [2021-12-18 14:20:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_alloc_rx_buf [2021-12-18 14:20:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_alloc_rx_buf [2021-12-18 14:20:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-18 14:20:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-18 14:20:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2021-12-18 14:20:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2021-12-18 14:20:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_sset_count [2021-12-18 14:20:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_sset_count [2021-12-18 14:20:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 14:20:13,710 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 14:20:13,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 14:20:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 14:20:13,711 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 14:20:13,711 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 14:20:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 14:20:13,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 14:20:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 14:20:13,713 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 14:20:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 14:20:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-18 14:20:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-18 14:20:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_restore_vlan [2021-12-18 14:20:13,714 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_restore_vlan [2021-12-18 14:20:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_comp_ring_adv_next2proc [2021-12-18 14:20:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_comp_ring_adv_next2proc [2021-12-18 14:20:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 14:20:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 14:20:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-12-18 14:20:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-12-18 14:20:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 14:20:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 14:20:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-12-18 14:20:13,716 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-12-18 14:20:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 14:20:13,716 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 14:20:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 14:20:13,717 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 14:20:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 14:20:13,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 14:20:13,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 14:20:13,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 14:20:13,717 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy [2021-12-18 14:20:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy [2021-12-18 14:20:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 14:20:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_unmap_tx_buf [2021-12-18 14:20:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_unmap_tx_buf [2021-12-18 14:20:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 14:20:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 14:20:13,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 14:20:13,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 14:20:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 14:20:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 14:20:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 14:20:13,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 14:20:13,719 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-18 14:20:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-18 14:20:13,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 14:20:13,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 14:20:13,720 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-18 14:20:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-18 14:20:13,721 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-18 14:20:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-18 14:20:13,721 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy [2021-12-18 14:20:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy [2021-12-18 14:20:13,721 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 14:20:13,721 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 14:20:13,721 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_request_irqs [2021-12-18 14:20:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_request_irqs [2021-12-18 14:20:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_create [2021-12-18 14:20:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_create [2021-12-18 14:20:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-18 14:20:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-18 14:20:13,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_vmxnet3_tx_queue [2021-12-18 14:20:13,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_vmxnet3_tx_queue [2021-12-18 14:20:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_intr [2021-12-18 14:20:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_intr [2021-12-18 14:20:13,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 14:20:13,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 14:20:13,724 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_remove_device [2021-12-18 14:20:13,725 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_remove_device [2021-12-18 14:20:13,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 14:20:13,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 14:20:13,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 14:20:13,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 14:20:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 14:20:13,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-18 14:20:13,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-18 14:20:13,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-18 14:20:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-18 14:20:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-18 14:20:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-18 14:20:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 14:20:13,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 14:20:13,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 14:20:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 14:20:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 14:20:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 14:20:13,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 14:20:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 14:20:13,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 14:20:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_irqs [2021-12-18 14:20:13,733 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_irqs [2021-12-18 14:20:13,733 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_set_mc [2021-12-18 14:20:13,734 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_set_mc [2021-12-18 14:20:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-18 14:20:13,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-18 14:20:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-18 14:20:13,734 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-18 14:20:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-18 14:20:13,734 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-18 14:20:13,734 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 14:20:13,734 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 14:20:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_check_link [2021-12-18 14:20:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_check_link [2021-12-18 14:20:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 14:20:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 14:20:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-18 14:20:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-18 14:20:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2fill [2021-12-18 14:20:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2fill [2021-12-18 14:20:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-18 14:20:13,735 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-18 14:20:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 14:20:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 14:20:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_intr_resources [2021-12-18 14:20:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_intr_resources [2021-12-18 14:20:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_destroy_all [2021-12-18 14:20:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_destroy_all [2021-12-18 14:20:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 14:20:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 14:20:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 14:20:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 14:20:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 14:20:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_adjust_rx_ring_size [2021-12-18 14:20:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_adjust_rx_ring_size [2021-12-18 14:20:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 14:20:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 14:20:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 14:20:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 14:20:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 14:20:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-18 14:20:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-18 14:20:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 14:20:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 14:20:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-18 14:20:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-18 14:20:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 14:20:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 14:20:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-18 14:20:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-18 14:20:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-18 14:20:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 14:20:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 14:20:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_quiesce_dev [2021-12-18 14:20:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_quiesce_dev [2021-12-18 14:20:13,739 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_cmd_ring_adv_next2comp [2021-12-18 14:20:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_cmd_ring_adv_next2comp [2021-12-18 14:20:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-18 14:20:13,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-18 14:20:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 14:20:13,819 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 14:20:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_cleanup_all [2021-12-18 14:20:13,819 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_cleanup_all [2021-12-18 14:20:13,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-18 14:20:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-18 14:20:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-18 14:20:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-18 14:20:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-18 14:20:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-18 14:20:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-18 14:20:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-18 14:20:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 14:20:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 14:20:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 14:20:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 14:20:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 14:20:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 14:20:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-18 14:20:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-18 14:20:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-18 14:20:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-18 14:20:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_intr [2021-12-18 14:20:13,820 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_intr [2021-12-18 14:20:13,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 14:20:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 14:20:13,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 14:20:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-18 14:20:13,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-18 14:20:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_process_events [2021-12-18 14:20:13,821 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_process_events [2021-12-18 14:20:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 14:20:13,821 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 14:20:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-18 14:20:13,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-18 14:20:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 14:20:13,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 14:20:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-18 14:20:13,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-18 14:20:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_intr [2021-12-18 14:20:13,821 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_intr [2021-12-18 14:20:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_rq_destroy_all [2021-12-18 14:20:13,821 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_rq_destroy_all [2021-12-18 14:20:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-18 14:20:13,821 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-18 14:20:13,821 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-12-18 14:20:13,821 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-12-18 14:20:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 14:20:13,822 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 14:20:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 14:20:13,822 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 14:20:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2021-12-18 14:20:13,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2021-12-18 14:20:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_free_pci_resources [2021-12-18 14:20:13,822 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_free_pci_resources [2021-12-18 14:20:13,822 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 14:20:13,823 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 14:20:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_disable_all_intrs [2021-12-18 14:20:13,823 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_disable_all_intrs [2021-12-18 14:20:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 14:20:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2021-12-18 14:20:13,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2021-12-18 14:20:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 14:20:13,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 14:20:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_tq_tx_complete [2021-12-18 14:20:13,823 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_tq_tx_complete [2021-12-18 14:20:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 14:20:13,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 14:20:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 14:20:13,823 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 14:20:13,823 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-18 14:20:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-18 14:20:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vmxnet3_exit_module_19_2 [2021-12-18 14:20:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vmxnet3_exit_module_19_2 [2021-12-18 14:20:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_enable_all_intrs [2021-12-18 14:20:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_enable_all_intrs [2021-12-18 14:20:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-18 14:20:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-18 14:20:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_create_queues [2021-12-18 14:20:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_create_queues [2021-12-18 14:20:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-12-18 14:20:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-12-18 14:20:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_force_close [2021-12-18 14:20:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_force_close [2021-12-18 14:20:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-18 14:20:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-18 14:20:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_alloc_intr_resources [2021-12-18 14:20:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_alloc_intr_resources [2021-12-18 14:20:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_activate_dev [2021-12-18 14:20:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_activate_dev [2021-12-18 14:20:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_write_mac_addr [2021-12-18 14:20:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_write_mac_addr [2021-12-18 14:20:13,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 14:20:13,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 14:20:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-18 14:20:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-18 14:20:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 14:20:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 14:20:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_msix_rx [2021-12-18 14:20:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_msix_rx [2021-12-18 14:20:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-18 14:20:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-18 14:20:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-18 14:20:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-18 14:20:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 14:20:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 14:20:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-18 14:20:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-18 14:20:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-18 14:20:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-18 14:20:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 14:20:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_get_regs_len [2021-12-18 14:20:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_get_regs_len [2021-12-18 14:20:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-12-18 14:20:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-12-18 14:20:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 14:20:13,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 14:20:13,825 INFO L130 BoogieDeclarations]: Found specification of procedure vmxnet3_suspend [2021-12-18 14:20:13,826 INFO L138 BoogieDeclarations]: Found implementation of procedure vmxnet3_suspend [2021-12-18 14:20:13,826 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-12-18 14:20:13,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-12-18 14:20:14,565 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 14:20:14,568 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 14:20:14,698 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 14:31:15,426 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 14:31:15,490 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 14:31:15,505 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 14:31:15,505 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-12-18 14:31:15,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:31:15 BoogieIcfgContainer [2021-12-18 14:31:15,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 14:31:15,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 14:31:15,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 14:31:15,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 14:31:15,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 02:20:08" (1/3) ... [2021-12-18 14:31:15,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31693b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:31:15, skipping insertion in model container [2021-12-18 14:31:15,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:20:13" (2/3) ... [2021-12-18 14:31:15,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31693b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:31:15, skipping insertion in model container [2021-12-18 14:31:15,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:31:15" (3/3) ... [2021-12-18 14:31:15,514 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-vmxnet3-vmxnet3.cil.i [2021-12-18 14:31:15,517 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 14:31:15,518 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-18 14:31:15,560 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 14:31:15,565 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 14:31:15,565 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-18 14:31:15,617 INFO L276 IsEmpty]: Start isEmpty. Operand has 2920 states, 2075 states have (on average 1.2915662650602409) internal successors, (2680), 2111 states have internal predecessors, (2680), 695 states have call successors, (695), 148 states have call predecessors, (695), 147 states have return successors, (684), 678 states have call predecessors, (684), 684 states have call successors, (684) [2021-12-18 14:31:15,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-12-18 14:31:15,633 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:31:15,633 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:31:15,634 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:31:15,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:31:15,638 INFO L85 PathProgramCache]: Analyzing trace with hash 877612621, now seen corresponding path program 1 times [2021-12-18 14:31:15,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:31:15,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979902461] [2021-12-18 14:31:15,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:31:15,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:31:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:31:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:31:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:31:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:31:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:31:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:31:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:31:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:31:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:31:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:31:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:31:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:31:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:31:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:31:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:31:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:31:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:31:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:31:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:31:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:31:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:31:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:31:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-18 14:31:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-18 14:31:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:17,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2021-12-18 14:31:17,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:31:17,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979902461] [2021-12-18 14:31:17,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979902461] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:31:17,700 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:31:17,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:31:17,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825638238] [2021-12-18 14:31:17,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:31:17,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:31:17,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:31:17,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:31:17,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:31:17,727 INFO L87 Difference]: Start difference. First operand has 2920 states, 2075 states have (on average 1.2915662650602409) internal successors, (2680), 2111 states have internal predecessors, (2680), 695 states have call successors, (695), 148 states have call predecessors, (695), 147 states have return successors, (684), 678 states have call predecessors, (684), 684 states have call successors, (684) Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 14:31:19,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:31:22,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:31:26,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:31:33,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:31:42,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:31:42,229 INFO L93 Difference]: Finished difference Result 8642 states and 12391 transitions. [2021-12-18 14:31:42,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:31:42,233 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 270 [2021-12-18 14:31:42,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:31:42,311 INFO L225 Difference]: With dead ends: 8642 [2021-12-18 14:31:42,311 INFO L226 Difference]: Without dead ends: 5752 [2021-12-18 14:31:42,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:31:42,345 INFO L933 BasicCegarLoop]: 3996 mSDtfsCounter, 5487 mSDsluCounter, 3852 mSDsCounter, 0 mSdLazyCounter, 2827 mSolverCounterSat, 2275 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6116 SdHoareTripleChecker+Valid, 7848 SdHoareTripleChecker+Invalid, 5106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2275 IncrementalHoareTripleChecker+Valid, 2827 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2021-12-18 14:31:42,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6116 Valid, 7848 Invalid, 5106 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2275 Valid, 2827 Invalid, 4 Unknown, 0 Unchecked, 23.8s Time] [2021-12-18 14:31:42,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5752 states. [2021-12-18 14:31:42,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5752 to 5584. [2021-12-18 14:31:42,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5584 states, 3982 states have (on average 1.261928679055751) internal successors, (5025), 4049 states have internal predecessors, (5025), 1309 states have call successors, (1309), 291 states have call predecessors, (1309), 290 states have return successors, (1305), 1293 states have call predecessors, (1305), 1305 states have call successors, (1305) [2021-12-18 14:31:42,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5584 states to 5584 states and 7639 transitions. [2021-12-18 14:31:42,626 INFO L78 Accepts]: Start accepts. Automaton has 5584 states and 7639 transitions. Word has length 270 [2021-12-18 14:31:42,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:31:42,627 INFO L470 AbstractCegarLoop]: Abstraction has 5584 states and 7639 transitions. [2021-12-18 14:31:42,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 14:31:42,628 INFO L276 IsEmpty]: Start isEmpty. Operand 5584 states and 7639 transitions. [2021-12-18 14:31:42,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-12-18 14:31:42,633 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:31:42,633 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:31:42,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 14:31:42,634 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:31:42,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:31:42,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1251298824, now seen corresponding path program 1 times [2021-12-18 14:31:42,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:31:42,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479082450] [2021-12-18 14:31:42,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:31:42,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:31:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:31:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:31:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:31:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:31:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:31:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:31:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:31:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:31:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:31:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:31:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:31:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:31:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:31:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:43,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:44,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:31:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:44,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:44,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:31:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:44,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:44,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:31:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:44,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:44,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:31:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:44,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:44,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:31:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:44,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:44,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:31:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:44,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:44,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:31:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:44,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:44,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:31:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:44,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:44,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:31:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:44,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:31:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:44,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-18 14:31:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:44,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-18 14:31:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:31:44,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2021-12-18 14:31:44,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:31:44,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479082450] [2021-12-18 14:31:44,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479082450] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:31:44,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:31:44,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:31:44,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634965170] [2021-12-18 14:31:44,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:31:44,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:31:44,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:31:44,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:31:44,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:31:44,156 INFO L87 Difference]: Start difference. First operand 5584 states and 7639 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 14:31:46,285 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:31:48,730 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:31:52,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:32:01,763 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:32:11,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:32:11,124 INFO L93 Difference]: Finished difference Result 16732 states and 23309 transitions. [2021-12-18 14:32:11,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:32:11,125 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, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 278 [2021-12-18 14:32:11,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:32:11,187 INFO L225 Difference]: With dead ends: 16732 [2021-12-18 14:32:11,188 INFO L226 Difference]: Without dead ends: 11197 [2021-12-18 14:32:11,213 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:32:11,220 INFO L933 BasicCegarLoop]: 4019 mSDtfsCounter, 5352 mSDsluCounter, 3970 mSDsCounter, 0 mSdLazyCounter, 2835 mSolverCounterSat, 2283 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5947 SdHoareTripleChecker+Valid, 7989 SdHoareTripleChecker+Invalid, 5122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2283 IncrementalHoareTripleChecker+Valid, 2835 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2021-12-18 14:32:11,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5947 Valid, 7989 Invalid, 5122 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2283 Valid, 2835 Invalid, 4 Unknown, 0 Unchecked, 26.2s Time] [2021-12-18 14:32:11,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11197 states. [2021-12-18 14:32:11,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11197 to 10979. [2021-12-18 14:32:11,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10979 states, 7859 states have (on average 1.2630105611400941) internal successors, (9926), 7997 states have internal predecessors, (9926), 2538 states have call successors, (2538), 568 states have call predecessors, (2538), 579 states have return successors, (2772), 2517 states have call predecessors, (2772), 2534 states have call successors, (2772) [2021-12-18 14:32:11,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10979 states to 10979 states and 15236 transitions. [2021-12-18 14:32:11,556 INFO L78 Accepts]: Start accepts. Automaton has 10979 states and 15236 transitions. Word has length 278 [2021-12-18 14:32:11,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:32:11,557 INFO L470 AbstractCegarLoop]: Abstraction has 10979 states and 15236 transitions. [2021-12-18 14:32:11,557 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, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 14:32:11,557 INFO L276 IsEmpty]: Start isEmpty. Operand 10979 states and 15236 transitions. [2021-12-18 14:32:11,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-12-18 14:32:11,562 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:32:11,562 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:32:11,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 14:32:11,563 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:32:11,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:32:11,563 INFO L85 PathProgramCache]: Analyzing trace with hash 409795779, now seen corresponding path program 1 times [2021-12-18 14:32:11,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:32:11,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048344629] [2021-12-18 14:32:11,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:32:11,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:32:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:32:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:32:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:32:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:32:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:32:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:32:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:32:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:32:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:32:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:32:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:32:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:32:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:32:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:32:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:32:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:32:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:32:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:32:12,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:32:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:32:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:32:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:32:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-18 14:32:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 14:32:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 14:32:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-18 14:32:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:12,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2021-12-18 14:32:12,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:32:12,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048344629] [2021-12-18 14:32:12,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048344629] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:32:12,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:32:12,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:32:12,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386426912] [2021-12-18 14:32:12,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:32:12,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:32:12,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:32:12,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:32:12,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:32:12,891 INFO L87 Difference]: Start difference. First operand 10979 states and 15236 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-18 14:32:15,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:32:17,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:32:21,162 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:32:38,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:32:38,311 INFO L93 Difference]: Finished difference Result 32955 states and 47014 transitions. [2021-12-18 14:32:38,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:32:38,312 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 287 [2021-12-18 14:32:38,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:32:38,628 INFO L225 Difference]: With dead ends: 32955 [2021-12-18 14:32:38,628 INFO L226 Difference]: Without dead ends: 22025 [2021-12-18 14:32:38,670 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:32:38,674 INFO L933 BasicCegarLoop]: 4062 mSDtfsCounter, 5418 mSDsluCounter, 3970 mSDsCounter, 0 mSdLazyCounter, 2854 mSolverCounterSat, 2346 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6014 SdHoareTripleChecker+Valid, 8032 SdHoareTripleChecker+Invalid, 5203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2346 IncrementalHoareTripleChecker+Valid, 2854 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2021-12-18 14:32:38,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6014 Valid, 8032 Invalid, 5203 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2346 Valid, 2854 Invalid, 3 Unknown, 0 Unchecked, 24.5s Time] [2021-12-18 14:32:38,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22025 states. [2021-12-18 14:32:39,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22025 to 21639. [2021-12-18 14:32:39,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21639 states, 15521 states have (on average 1.2624186585915855) internal successors, (19594), 15787 states have internal predecessors, (19594), 4962 states have call successors, (4962), 1126 states have call predecessors, (4962), 1153 states have return successors, (6364), 4925 states have call predecessors, (6364), 4958 states have call successors, (6364) [2021-12-18 14:32:39,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21639 states to 21639 states and 30920 transitions. [2021-12-18 14:32:39,429 INFO L78 Accepts]: Start accepts. Automaton has 21639 states and 30920 transitions. Word has length 287 [2021-12-18 14:32:39,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:32:39,431 INFO L470 AbstractCegarLoop]: Abstraction has 21639 states and 30920 transitions. [2021-12-18 14:32:39,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-18 14:32:39,432 INFO L276 IsEmpty]: Start isEmpty. Operand 21639 states and 30920 transitions. [2021-12-18 14:32:39,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-12-18 14:32:39,437 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:32:39,437 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 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] [2021-12-18 14:32:39,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 14:32:39,438 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:32:39,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:32:39,438 INFO L85 PathProgramCache]: Analyzing trace with hash -332074563, now seen corresponding path program 1 times [2021-12-18 14:32:39,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:32:39,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739170782] [2021-12-18 14:32:39,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:32:39,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:32:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:32:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:32:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:32:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:32:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:32:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:32:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:32:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:32:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:32:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:32:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:32:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:32:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:32:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:32:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:32:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:32:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:32:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:32:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:32:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:32:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:32:40,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:32:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-18 14:32:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 14:32:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:32:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 14:32:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 14:32:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-18 14:32:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:32:40,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2149 trivial. 0 not checked. [2021-12-18 14:32:40,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:32:40,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739170782] [2021-12-18 14:32:40,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739170782] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:32:40,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:32:40,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:32:40,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447988095] [2021-12-18 14:32:40,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:32:40,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:32:40,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:32:40,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:32:40,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:32:40,854 INFO L87 Difference]: Start difference. First operand 21639 states and 30920 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-18 14:32:42,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:32:45,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:32:49,060 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:32:59,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:33:07,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:33:07,847 INFO L93 Difference]: Finished difference Result 62691 states and 90340 transitions. [2021-12-18 14:33:07,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:33:07,847 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 296 [2021-12-18 14:33:07,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:33:08,075 INFO L225 Difference]: With dead ends: 62691 [2021-12-18 14:33:08,076 INFO L226 Difference]: Without dead ends: 41101 [2021-12-18 14:33:08,193 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:33:08,195 INFO L933 BasicCegarLoop]: 3916 mSDtfsCounter, 5039 mSDsluCounter, 3781 mSDsCounter, 0 mSdLazyCounter, 2798 mSolverCounterSat, 2243 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5615 SdHoareTripleChecker+Valid, 7697 SdHoareTripleChecker+Invalid, 5045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2243 IncrementalHoareTripleChecker+Valid, 2798 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.7s IncrementalHoareTripleChecker+Time [2021-12-18 14:33:08,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5615 Valid, 7697 Invalid, 5045 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2243 Valid, 2798 Invalid, 4 Unknown, 0 Unchecked, 25.7s Time] [2021-12-18 14:33:08,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41101 states. [2021-12-18 14:33:09,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41101 to 40527. [2021-12-18 14:33:09,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40527 states, 28993 states have (on average 1.2599593005208154) internal successors, (36530), 29515 states have internal predecessors, (36530), 9274 states have call successors, (9274), 2210 states have call predecessors, (9274), 2257 states have return successors, (12090), 9177 states have call predecessors, (12090), 9270 states have call successors, (12090) [2021-12-18 14:33:10,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40527 states to 40527 states and 57894 transitions. [2021-12-18 14:33:10,128 INFO L78 Accepts]: Start accepts. Automaton has 40527 states and 57894 transitions. Word has length 296 [2021-12-18 14:33:10,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:33:10,129 INFO L470 AbstractCegarLoop]: Abstraction has 40527 states and 57894 transitions. [2021-12-18 14:33:10,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-18 14:33:10,129 INFO L276 IsEmpty]: Start isEmpty. Operand 40527 states and 57894 transitions. [2021-12-18 14:33:10,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-12-18 14:33:10,137 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:33:10,137 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:33:10,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 14:33:10,138 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:33:10,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:33:10,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1079591190, now seen corresponding path program 1 times [2021-12-18 14:33:10,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:33:10,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058843244] [2021-12-18 14:33:10,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:33:10,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:33:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:33:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:33:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:33:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:33:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:33:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:33:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:33:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:33:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:33:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:33:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:33:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:33:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:33:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:33:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:33:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:33:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:33:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:33:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:33:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:33:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:33:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:33:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:33:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-18 14:33:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 14:33:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 14:33:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:33:11,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2021-12-18 14:33:11,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:33:11,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058843244] [2021-12-18 14:33:11,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058843244] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:33:11,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:33:11,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 14:33:11,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602260428] [2021-12-18 14:33:11,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:33:11,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 14:33:11,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:33:11,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 14:33:11,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:33:11,803 INFO L87 Difference]: Start difference. First operand 40527 states and 57894 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 14:33:13,949 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:33:16,447 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:33:18,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:33:21,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:33:28,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:33:35,550 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:33:37,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:34:01,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:34:03,475 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:34:05,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:34:07,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:34:09,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:34:09,156 INFO L93 Difference]: Finished difference Result 93909 states and 136491 transitions. [2021-12-18 14:34:09,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 14:34:09,157 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 296 [2021-12-18 14:34:09,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:34:09,565 INFO L225 Difference]: With dead ends: 93909 [2021-12-18 14:34:09,565 INFO L226 Difference]: Without dead ends: 53431 [2021-12-18 14:34:09,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 14:34:09,700 INFO L933 BasicCegarLoop]: 4114 mSDtfsCounter, 7416 mSDsluCounter, 5291 mSDsCounter, 0 mSdLazyCounter, 5239 mSolverCounterSat, 4763 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7896 SdHoareTripleChecker+Valid, 9405 SdHoareTripleChecker+Invalid, 10012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4763 IncrementalHoareTripleChecker+Valid, 5239 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.9s IncrementalHoareTripleChecker+Time [2021-12-18 14:34:09,700 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7896 Valid, 9405 Invalid, 10012 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4763 Valid, 5239 Invalid, 10 Unknown, 0 Unchecked, 54.9s Time] [2021-12-18 14:34:09,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53431 states. [2021-12-18 14:34:11,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53431 to 49157. [2021-12-18 14:34:11,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49157 states, 35207 states have (on average 1.257477206237396) internal successors, (44272), 35923 states have internal predecessors, (44272), 10988 states have call successors, (10988), 2678 states have call predecessors, (10988), 2959 states have return successors, (15565), 10979 states have call predecessors, (15565), 10984 states have call successors, (15565) [2021-12-18 14:34:11,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49157 states to 49157 states and 70825 transitions. [2021-12-18 14:34:11,900 INFO L78 Accepts]: Start accepts. Automaton has 49157 states and 70825 transitions. Word has length 296 [2021-12-18 14:34:11,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:34:11,901 INFO L470 AbstractCegarLoop]: Abstraction has 49157 states and 70825 transitions. [2021-12-18 14:34:11,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 14:34:11,902 INFO L276 IsEmpty]: Start isEmpty. Operand 49157 states and 70825 transitions. [2021-12-18 14:34:11,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-12-18 14:34:11,908 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:34:11,908 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 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] [2021-12-18 14:34:11,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 14:34:11,908 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 14:34:11,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:34:11,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1914385503, now seen corresponding path program 1 times [2021-12-18 14:34:11,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:34:11,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061867356] [2021-12-18 14:34:11,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:34:11,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:34:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:34:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:34:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:34:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:34:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:34:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:34:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:34:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:34:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:34:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:34:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:34:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:34:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:34:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:34:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:34:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:34:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:34:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:34:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:34:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:34:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:34:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 14:34:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:34:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-18 14:34:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-18 14:34:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 14:34:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-18 14:34:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:34:13,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2148 trivial. 0 not checked. [2021-12-18 14:34:13,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:34:13,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061867356] [2021-12-18 14:34:13,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061867356] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:34:13,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:34:13,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:34:13,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240028603] [2021-12-18 14:34:13,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:34:13,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:34:13,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:34:13,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:34:13,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:34:13,367 INFO L87 Difference]: Start difference. First operand 49157 states and 70825 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-18 14:34:15,494 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:34:17,942 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:34:23,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15