./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/bin/uautomizer-vX5HgA9Q3a --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 ded9a504a1f021ee39d24f2dc9453e9d2f58c18dc67195089c039613b2b61e04 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 13:48:34,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 13:48:34,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 13:48:34,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 13:48:34,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 13:48:34,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 13:48:34,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 13:48:34,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 13:48:34,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 13:48:34,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 13:48:34,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 13:48:34,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 13:48:34,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 13:48:34,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 13:48:34,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 13:48:34,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 13:48:34,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 13:48:34,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 13:48:34,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 13:48:34,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 13:48:34,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 13:48:34,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 13:48:34,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 13:48:34,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 13:48:34,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 13:48:34,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 13:48:34,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 13:48:34,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 13:48:34,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 13:48:34,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 13:48:34,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 13:48:34,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 13:48:34,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 13:48:34,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 13:48:34,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 13:48:34,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 13:48:34,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 13:48:34,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 13:48:34,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 13:48:34,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 13:48:34,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 13:48:34,214 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 13:48:34,235 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 13:48:34,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 13:48:34,236 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 13:48:34,236 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 13:48:34,237 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 13:48:34,237 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 13:48:34,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 13:48:34,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 13:48:34,239 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 13:48:34,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 13:48:34,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 13:48:34,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 13:48:34,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 13:48:34,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 13:48:34,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 13:48:34,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 13:48:34,240 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 13:48:34,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 13:48:34,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 13:48:34,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 13:48:34,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 13:48:34,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:48:34,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 13:48:34,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 13:48:34,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 13:48:34,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 13:48:34,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 13:48:34,242 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 13:48:34,242 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 13:48:34,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 13:48:34,243 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ded9a504a1f021ee39d24f2dc9453e9d2f58c18dc67195089c039613b2b61e04 [2022-11-21 13:48:34,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 13:48:34,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 13:48:34,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 13:48:34,493 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 13:48:34,493 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 13:48:34,495 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2022-11-21 13:48:37,550 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 13:48:38,473 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 13:48:38,474 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2022-11-21 13:48:38,532 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/bin/uautomizer-vX5HgA9Q3a/data/87357a204/574a088144c54d65a5ba5f7eef06608d/FLAG1cc1a2e5c [2022-11-21 13:48:38,548 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/bin/uautomizer-vX5HgA9Q3a/data/87357a204/574a088144c54d65a5ba5f7eef06608d [2022-11-21 13:48:38,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 13:48:38,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 13:48:38,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 13:48:38,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 13:48:38,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 13:48:38,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:48:38" (1/1) ... [2022-11-21 13:48:38,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f06150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:48:38, skipping insertion in model container [2022-11-21 13:48:38,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:48:38" (1/1) ... [2022-11-21 13:48:38,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 13:48:38,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 13:48:46,260 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694098,694111] [2022-11-21 13:48:46,264 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694267,694280] [2022-11-21 13:48:46,264 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694434,694447] [2022-11-21 13:48:46,265 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694602,694615] [2022-11-21 13:48:46,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:48:46,404 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 13:48:47,183 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694098,694111] [2022-11-21 13:48:47,183 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694267,694280] [2022-11-21 13:48:47,184 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694434,694447] [2022-11-21 13:48:47,184 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694602,694615] [2022-11-21 13:48:47,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:48:48,095 INFO L208 MainTranslator]: Completed translation [2022-11-21 13:48:48,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:48:48 WrapperNode [2022-11-21 13:48:48,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 13:48:48,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 13:48:48,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 13:48:48,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 13:48:48,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:48:48" (1/1) ... [2022-11-21 13:48:48,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:48:48" (1/1) ... [2022-11-21 13:48:48,883 INFO L138 Inliner]: procedures = 831, calls = 8648, calls flagged for inlining = 381, calls inlined = 326, statements flattened = 16643 [2022-11-21 13:48:48,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 13:48:48,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 13:48:48,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 13:48:48,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 13:48:48,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:48:48" (1/1) ... [2022-11-21 13:48:48,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:48:48" (1/1) ... [2022-11-21 13:48:48,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:48:48" (1/1) ... [2022-11-21 13:48:48,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:48:48" (1/1) ... [2022-11-21 13:48:49,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:48:48" (1/1) ... [2022-11-21 13:48:49,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:48:48" (1/1) ... [2022-11-21 13:48:49,689 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:48:48" (1/1) ... [2022-11-21 13:48:49,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:48:48" (1/1) ... [2022-11-21 13:48:49,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 13:48:49,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 13:48:49,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 13:48:49,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 13:48:49,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:48:48" (1/1) ... [2022-11-21 13:48:49,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:48:49,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:48:50,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 13:48:50,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b125820-6d35-4fba-8ba5-2e808e8f3a6b/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 13:48:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2022-11-21 13:48:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2022-11-21 13:48:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-21 13:48:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-21 13:48:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-21 13:48:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-21 13:48:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2022-11-21 13:48:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2022-11-21 13:48:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2022-11-21 13:48:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2022-11-21 13:48:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2022-11-21 13:48:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2022-11-21 13:48:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_116 [2022-11-21 13:48:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_116 [2022-11-21 13:48:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-21 13:48:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-21 13:48:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2022-11-21 13:48:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2022-11-21 13:48:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-21 13:48:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-21 13:48:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-21 13:48:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-21 13:48:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2022-11-21 13:48:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2022-11-21 13:48:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2022-11-21 13:48:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2022-11-21 13:48:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-21 13:48:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-21 13:48:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2022-11-21 13:48:50,118 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2022-11-21 13:48:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2022-11-21 13:48:50,118 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2022-11-21 13:48:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-21 13:48:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-21 13:48:50,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-21 13:48:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-21 13:48:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-21 13:48:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2022-11-21 13:48:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2022-11-21 13:48:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2022-11-21 13:48:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2022-11-21 13:48:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-21 13:48:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-21 13:48:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-21 13:48:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-21 13:48:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-21 13:48:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-21 13:48:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-21 13:48:50,121 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-21 13:48:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-21 13:48:50,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-21 13:48:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-11-21 13:48:50,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-11-21 13:48:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2022-11-21 13:48:50,122 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2022-11-21 13:48:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-21 13:48:50,122 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-21 13:48:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2022-11-21 13:48:50,122 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2022-11-21 13:48:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-21 13:48:50,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-21 13:48:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2022-11-21 13:48:50,123 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2022-11-21 13:48:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 13:48:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-21 13:48:50,123 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-21 13:48:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_indirect_lock_of_bnx2 [2022-11-21 13:48:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_indirect_lock_of_bnx2 [2022-11-21 13:48:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2022-11-21 13:48:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2022-11-21 13:48:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2022-11-21 13:48:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2022-11-21 13:48:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-21 13:48:50,125 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-21 13:48:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-21 13:48:50,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-21 13:48:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-21 13:48:50,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-21 13:48:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-21 13:48:50,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-21 13:48:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2022-11-21 13:48:50,126 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2022-11-21 13:48:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2022-11-21 13:48:50,126 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2022-11-21 13:48:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2022-11-21 13:48:50,127 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2022-11-21 13:48:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-21 13:48:50,127 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-21 13:48:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-11-21 13:48:50,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-11-21 13:48:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2022-11-21 13:48:50,128 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2022-11-21 13:48:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2022-11-21 13:48:50,128 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2022-11-21 13:48:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2022-11-21 13:48:50,128 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2022-11-21 13:48:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2022-11-21 13:48:50,129 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2022-11-21 13:48:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-21 13:48:50,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-21 13:48:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 13:48:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-21 13:48:50,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-21 13:48:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-21 13:48:50,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-21 13:48:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 13:48:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_indirect_lock_of_bnx2 [2022-11-21 13:48:50,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_indirect_lock_of_bnx2 [2022-11-21 13:48:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-21 13:48:50,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-21 13:48:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-21 13:48:50,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-21 13:48:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 13:48:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-21 13:48:50,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-21 13:48:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-21 13:48:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2022-11-21 13:48:50,132 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2022-11-21 13:48:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-21 13:48:50,132 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-21 13:48:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2022-11-21 13:48:50,133 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2022-11-21 13:48:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-21 13:48:50,133 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-21 13:48:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-21 13:48:50,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-21 13:48:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2022-11-21 13:48:50,134 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2022-11-21 13:48:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2022-11-21 13:48:50,134 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2022-11-21 13:48:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 13:48:50,134 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 13:48:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-21 13:48:50,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-21 13:48:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-11-21 13:48:50,135 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-11-21 13:48:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2022-11-21 13:48:50,135 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2022-11-21 13:48:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-21 13:48:50,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-21 13:48:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-21 13:48:50,218 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-21 13:48:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-11-21 13:48:50,219 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-11-21 13:48:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2022-11-21 13:48:50,219 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2022-11-21 13:48:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2022-11-21 13:48:50,219 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2022-11-21 13:48:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 13:48:50,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 13:48:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-21 13:48:50,219 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-21 13:48:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 13:48:50,219 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-21 13:48:50,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-21 13:48:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-21 13:48:50,220 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-21 13:48:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2022-11-21 13:48:50,220 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2022-11-21 13:48:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-21 13:48:50,220 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-21 13:48:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-21 13:48:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-21 13:48:50,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-21 13:48:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-21 13:48:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-21 13:48:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2022-11-21 13:48:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2022-11-21 13:48:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2022-11-21 13:48:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2022-11-21 13:48:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-21 13:48:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-21 13:48:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 13:48:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 13:48:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2022-11-21 13:48:50,221 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2022-11-21 13:48:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-21 13:48:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-21 13:48:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-21 13:48:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-21 13:48:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-21 13:48:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-21 13:48:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2022-11-21 13:48:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2022-11-21 13:48:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-21 13:48:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-21 13:48:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 13:48:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2022-11-21 13:48:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2022-11-21 13:48:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2022-11-21 13:48:50,223 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2022-11-21 13:48:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 13:48:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2022-11-21 13:48:50,223 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2022-11-21 13:48:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2022-11-21 13:48:50,223 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2022-11-21 13:48:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2022-11-21 13:48:50,223 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2022-11-21 13:48:50,223 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-21 13:48:50,223 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-21 13:48:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-21 13:48:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-21 13:48:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-21 13:48:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-21 13:48:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_bnx2 [2022-11-21 13:48:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_bnx2 [2022-11-21 13:48:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2022-11-21 13:48:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2022-11-21 13:48:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2022-11-21 13:48:50,224 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2022-11-21 13:48:50,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-21 13:48:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-21 13:48:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-21 13:48:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-21 13:48:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-21 13:48:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-21 13:48:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_85 [2022-11-21 13:48:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_85 [2022-11-21 13:48:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-21 13:48:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-21 13:48:50,225 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2022-11-21 13:48:50,225 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2022-11-21 13:48:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-21 13:48:50,226 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-21 13:48:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2022-11-21 13:48:50,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2022-11-21 13:48:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2022-11-21 13:48:50,226 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2022-11-21 13:48:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mtu [2022-11-21 13:48:50,226 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mtu [2022-11-21 13:48:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 13:48:50,226 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2022-11-21 13:48:50,226 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2022-11-21 13:48:50,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 13:48:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 13:48:50,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2022-11-21 13:48:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2022-11-21 13:48:50,227 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2022-11-21 13:48:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2022-11-21 13:48:50,227 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2022-11-21 13:48:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2022-11-21 13:48:50,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_99 [2022-11-21 13:48:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_99 [2022-11-21 13:48:50,227 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-21 13:48:50,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-21 13:48:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2022-11-21 13:48:50,228 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2022-11-21 13:48:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-21 13:48:50,228 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-21 13:48:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2022-11-21 13:48:50,228 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2022-11-21 13:48:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2022-11-21 13:48:50,228 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2022-11-21 13:48:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-21 13:48:50,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-21 13:48:50,228 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2022-11-21 13:48:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2022-11-21 13:48:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-21 13:48:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-21 13:48:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-21 13:48:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-21 13:48:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-21 13:48:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-21 13:48:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2022-11-21 13:48:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2022-11-21 13:48:50,229 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-21 13:48:50,229 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-21 13:48:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2022-11-21 13:48:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2022-11-21 13:48:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2022-11-21 13:48:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2022-11-21 13:48:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-21 13:48:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-21 13:48:50,230 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2022-11-21 13:48:50,230 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2022-11-21 13:48:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-21 13:48:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-21 13:48:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 13:48:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 13:48:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2022-11-21 13:48:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2022-11-21 13:48:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-21 13:48:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-21 13:48:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 13:48:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 13:48:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2022-11-21 13:48:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2022-11-21 13:48:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2022-11-21 13:48:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2022-11-21 13:48:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-21 13:48:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-21 13:48:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2022-11-21 13:48:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2022-11-21 13:48:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_11_4 [2022-11-21 13:48:50,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_11_4 [2022-11-21 13:48:50,236 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2022-11-21 13:48:50,237 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2022-11-21 13:48:50,237 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-21 13:48:50,237 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-21 13:48:50,237 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2022-11-21 13:48:50,237 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2022-11-21 13:48:50,237 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-21 13:48:50,237 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-21 13:48:50,237 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2022-11-21 13:48:50,237 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2022-11-21 13:48:50,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2022-11-21 13:48:50,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2022-11-21 13:48:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 13:48:50,238 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 13:48:50,238 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2022-11-21 13:48:50,238 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2022-11-21 13:48:50,277 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-11-21 13:48:50,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-11-21 13:48:50,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-21 13:48:50,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-21 13:48:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-21 13:48:50,278 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-21 13:48:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-21 13:48:50,278 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-21 13:48:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-21 13:48:50,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-21 13:48:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2022-11-21 13:48:50,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2022-11-21 13:48:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-21 13:48:50,279 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-21 13:48:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 13:48:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-21 13:48:50,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-21 13:48:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-21 13:48:50,279 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-21 13:48:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2022-11-21 13:48:50,279 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2022-11-21 13:48:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2022-11-21 13:48:50,280 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2022-11-21 13:48:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-21 13:48:50,280 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-21 13:48:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 13:48:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2022-11-21 13:48:50,280 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2022-11-21 13:48:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2022-11-21 13:48:50,280 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2022-11-21 13:48:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-21 13:48:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-21 13:48:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 13:48:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2022-11-21 13:48:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2022-11-21 13:48:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-11-21 13:48:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-11-21 13:48:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2022-11-21 13:48:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2022-11-21 13:48:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-21 13:48:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-21 13:48:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2022-11-21 13:48:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2022-11-21 13:48:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 13:48:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 13:48:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2022-11-21 13:48:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2022-11-21 13:48:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_86 [2022-11-21 13:48:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_86 [2022-11-21 13:48:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-21 13:48:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-21 13:48:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2022-11-21 13:48:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2022-11-21 13:48:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-21 13:48:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-21 13:48:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_59 [2022-11-21 13:48:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_59 [2022-11-21 13:48:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_self_test [2022-11-21 13:48:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_self_test [2022-11-21 13:48:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2022-11-21 13:48:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2022-11-21 13:48:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2022-11-21 13:48:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2022-11-21 13:48:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2022-11-21 13:48:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2022-11-21 13:48:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2022-11-21 13:48:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2022-11-21 13:48:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-21 13:48:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-21 13:48:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_timer [2022-11-21 13:48:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_timer [2022-11-21 13:48:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-21 13:48:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-21 13:48:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2022-11-21 13:48:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2022-11-21 13:48:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_29 [2022-11-21 13:48:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_29 [2022-11-21 13:48:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2022-11-21 13:48:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2022-11-21 13:48:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 13:48:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 13:48:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-21 13:48:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-21 13:48:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2022-11-21 13:48:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2022-11-21 13:48:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2022-11-21 13:48:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2022-11-21 13:48:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2022-11-21 13:48:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2022-11-21 13:48:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-21 13:48:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-21 13:48:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_53 [2022-11-21 13:48:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_53 [2022-11-21 13:48:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_52 [2022-11-21 13:48:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_52 [2022-11-21 13:48:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-21 13:48:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-21 13:48:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_49 [2022-11-21 13:48:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_49 [2022-11-21 13:48:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-11-21 13:48:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-11-21 13:48:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-21 13:48:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-21 13:48:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-21 13:48:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-21 13:48:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2022-11-21 13:48:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2022-11-21 13:48:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2022-11-21 13:48:50,303 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2022-11-21 13:48:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_40 [2022-11-21 13:48:50,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_40 [2022-11-21 13:48:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-21 13:48:50,303 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-21 13:48:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-21 13:48:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-21 13:48:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-21 13:48:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-21 13:48:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2022-11-21 13:48:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2022-11-21 13:48:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 13:48:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 13:48:50,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 13:48:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2022-11-21 13:48:50,305 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2022-11-21 13:48:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-21 13:48:50,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-21 13:48:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-21 13:48:50,306 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-21 13:48:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-21 13:48:50,306 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-21 13:48:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_bnx2 [2022-11-21 13:48:50,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_bnx2 [2022-11-21 13:48:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-21 13:48:50,307 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-21 13:48:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2022-11-21 13:48:50,308 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2022-11-21 13:48:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2022-11-21 13:48:50,308 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2022-11-21 13:48:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2022-11-21 13:48:50,308 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2022-11-21 13:48:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-21 13:48:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-21 13:48:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2022-11-21 13:48:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2022-11-21 13:48:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-21 13:48:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-21 13:48:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2022-11-21 13:48:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2022-11-21 13:48:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2022-11-21 13:48:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2022-11-21 13:48:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-21 13:48:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-21 13:48:50,311 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2022-11-21 13:48:50,311 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2022-11-21 13:48:50,311 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-21 13:48:50,311 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-21 13:48:50,311 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2022-11-21 13:48:50,311 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2022-11-21 13:48:50,312 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2022-11-21 13:48:50,312 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2022-11-21 13:48:50,312 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2022-11-21 13:48:50,312 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2022-11-21 13:48:50,312 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-21 13:48:50,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-21 13:48:50,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 13:48:50,313 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2022-11-21 13:48:50,313 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2022-11-21 13:48:50,313 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2022-11-21 13:48:50,313 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2022-11-21 13:48:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-21 13:48:50,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-21 13:48:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-21 13:48:50,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-21 13:48:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2022-11-21 13:48:50,314 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2022-11-21 13:48:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_139 [2022-11-21 13:48:50,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_139 [2022-11-21 13:48:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2022-11-21 13:48:50,315 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2022-11-21 13:48:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2022-11-21 13:48:50,315 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2022-11-21 13:48:50,316 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-21 13:48:50,316 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-21 13:48:50,316 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2022-11-21 13:48:50,316 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2022-11-21 13:48:50,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-21 13:48:50,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-21 13:48:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-21 13:48:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-21 13:48:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2022-11-21 13:48:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2022-11-21 13:48:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2022-11-21 13:48:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2022-11-21 13:48:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2022-11-21 13:48:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2022-11-21 13:48:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2022-11-21 13:48:50,334 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2022-11-21 13:48:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2022-11-21 13:48:50,335 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2022-11-21 13:48:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-21 13:48:50,335 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-21 13:48:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-21 13:48:50,336 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-21 13:48:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-21 13:48:50,336 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-21 13:48:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2022-11-21 13:48:50,337 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2022-11-21 13:48:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2022-11-21 13:48:50,337 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2022-11-21 13:48:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 13:48:50,337 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 13:48:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2022-11-21 13:48:50,337 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2022-11-21 13:48:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2022-11-21 13:48:50,338 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2022-11-21 13:48:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2022-11-21 13:48:50,338 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2022-11-21 13:48:50,338 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-21 13:48:50,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-21 13:48:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_98 [2022-11-21 13:48:50,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_98 [2022-11-21 13:48:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2022-11-21 13:48:50,339 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2022-11-21 13:48:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-21 13:48:50,339 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-21 13:48:50,339 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-21 13:48:50,340 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-21 13:48:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-21 13:48:50,340 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-21 13:48:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2022-11-21 13:48:50,340 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2022-11-21 13:48:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2022-11-21 13:48:50,341 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2022-11-21 13:48:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-21 13:48:50,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-21 13:48:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-21 13:48:50,341 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-21 13:48:50,341 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-21 13:48:50,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-21 13:48:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-21 13:48:50,342 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-21 13:48:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-21 13:48:50,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-21 13:48:50,342 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-21 13:48:50,343 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-21 13:48:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 13:48:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2022-11-21 13:48:50,343 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2022-11-21 13:48:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2022-11-21 13:48:50,343 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2022-11-21 13:48:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_features [2022-11-21 13:48:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_features [2022-11-21 13:48:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-21 13:48:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-21 13:48:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2022-11-21 13:48:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2022-11-21 13:48:51,992 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 13:48:51,997 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 13:48:52,630 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 13:51:27,365 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 13:51:27,406 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 13:51:27,407 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-21 13:51:27,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:51:27 BoogieIcfgContainer [2022-11-21 13:51:27,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 13:51:27,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 13:51:27,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 13:51:27,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 13:51:27,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:48:38" (1/3) ... [2022-11-21 13:51:27,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a0df293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:51:27, skipping insertion in model container [2022-11-21 13:51:27,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:48:48" (2/3) ... [2022-11-21 13:51:27,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a0df293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:51:27, skipping insertion in model container [2022-11-21 13:51:27,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:51:27" (3/3) ... [2022-11-21 13:51:27,430 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2022-11-21 13:51:27,454 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 13:51:27,455 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-21 13:51:27,634 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 13:51:27,645 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2881729a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 13:51:27,645 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-21 13:51:27,669 INFO L276 IsEmpty]: Start isEmpty. Operand has 5730 states, 3889 states have (on average 1.30624839290306) internal successors, (5080), 3987 states have internal predecessors, (5080), 1564 states have call successors, (1564), 274 states have call predecessors, (1564), 273 states have return successors, (1557), 1536 states have call predecessors, (1557), 1557 states have call successors, (1557) [2022-11-21 13:51:27,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-21 13:51:27,680 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:51:27,681 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-21 13:51:27,682 INFO L420 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)] === [2022-11-21 13:51:27,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:51:27,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1907491070, now seen corresponding path program 1 times [2022-11-21 13:51:27,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:51:27,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075908814] [2022-11-21 13:51:27,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:51:27,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:51:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:29,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 13:51:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:29,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:51:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:29,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:51:29,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:29,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:29,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:51:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:29,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:51:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:29,993 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-21 13:51:29,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:51:29,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075908814] [2022-11-21 13:51:29,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075908814] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:51:29,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:51:29,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:51:29,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682972582] [2022-11-21 13:51:29,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:51:30,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 13:51:30,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:51:30,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 13:51:30,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:51:30,051 INFO L87 Difference]: Start difference. First operand has 5730 states, 3889 states have (on average 1.30624839290306) internal successors, (5080), 3987 states have internal predecessors, (5080), 1564 states have call successors, (1564), 274 states have call predecessors, (1564), 273 states have return successors, (1557), 1536 states have call predecessors, (1557), 1557 states have call successors, (1557) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-21 13:51:30,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:51:30,991 INFO L93 Difference]: Finished difference Result 11448 states and 16790 transitions. [2022-11-21 13:51:30,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:51:30,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2022-11-21 13:51:30,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:51:31,064 INFO L225 Difference]: With dead ends: 11448 [2022-11-21 13:51:31,064 INFO L226 Difference]: Without dead ends: 5730 [2022-11-21 13:51:31,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 13:51:31,129 INFO L413 NwaCegarLoop]: 8157 mSDtfsCounter, 8097 mSDsluCounter, 16346 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8113 SdHoareTripleChecker+Valid, 24503 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:51:31,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8113 Valid, 24503 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 13:51:31,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5730 states. [2022-11-21 13:51:31,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5730 to 5728. [2022-11-21 13:51:31,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5728 states, 3884 states have (on average 1.2971163748712666) internal successors, (5038), 3980 states have internal predecessors, (5038), 1561 states have call successors, (1561), 281 states have call predecessors, (1561), 280 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2022-11-21 13:51:31,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5728 states to 5728 states and 8157 transitions. [2022-11-21 13:51:31,608 INFO L78 Accepts]: Start accepts. Automaton has 5728 states and 8157 transitions. Word has length 48 [2022-11-21 13:51:31,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:51:31,609 INFO L495 AbstractCegarLoop]: Abstraction has 5728 states and 8157 transitions. [2022-11-21 13:51:31,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-21 13:51:31,610 INFO L276 IsEmpty]: Start isEmpty. Operand 5728 states and 8157 transitions. [2022-11-21 13:51:31,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-21 13:51:31,612 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:51:31,612 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-21 13:51:31,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 13:51:31,613 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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)] === [2022-11-21 13:51:31,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:51:31,614 INFO L85 PathProgramCache]: Analyzing trace with hash -2028286917, now seen corresponding path program 1 times [2022-11-21 13:51:31,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:51:31,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013213981] [2022-11-21 13:51:31,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:51:31,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:51:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:32,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 13:51:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:32,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:51:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:32,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:51:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:32,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:32,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:51:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:32,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:51:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:51:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:32,927 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-21 13:51:32,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:51:32,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013213981] [2022-11-21 13:51:32,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013213981] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:51:32,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:51:32,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:51:32,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477532648] [2022-11-21 13:51:32,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:51:32,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 13:51:32,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:51:32,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 13:51:32,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:51:32,931 INFO L87 Difference]: Start difference. First operand 5728 states and 8157 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-21 13:51:33,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:51:33,563 INFO L93 Difference]: Finished difference Result 5734 states and 8162 transitions. [2022-11-21 13:51:33,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:51:33,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2022-11-21 13:51:33,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:51:33,604 INFO L225 Difference]: With dead ends: 5734 [2022-11-21 13:51:33,604 INFO L226 Difference]: Without dead ends: 5732 [2022-11-21 13:51:33,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 13:51:33,610 INFO L413 NwaCegarLoop]: 8122 mSDtfsCounter, 8090 mSDsluCounter, 16221 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8104 SdHoareTripleChecker+Valid, 24343 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:51:33,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8104 Valid, 24343 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 13:51:33,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5732 states. [2022-11-21 13:51:33,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5732 to 5732. [2022-11-21 13:51:33,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5732 states, 3887 states have (on average 1.2968870594288655) internal successors, (5041), 3983 states have internal predecessors, (5041), 1561 states have call successors, (1561), 282 states have call predecessors, (1561), 281 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2022-11-21 13:51:33,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5732 states to 5732 states and 8160 transitions. [2022-11-21 13:51:33,984 INFO L78 Accepts]: Start accepts. Automaton has 5732 states and 8160 transitions. Word has length 53 [2022-11-21 13:51:33,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:51:33,985 INFO L495 AbstractCegarLoop]: Abstraction has 5732 states and 8160 transitions. [2022-11-21 13:51:33,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-21 13:51:33,985 INFO L276 IsEmpty]: Start isEmpty. Operand 5732 states and 8160 transitions. [2022-11-21 13:51:33,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-21 13:51:33,987 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:51:33,987 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:51:33,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 13:51:33,988 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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)] === [2022-11-21 13:51:33,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:51:33,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1655543518, now seen corresponding path program 1 times [2022-11-21 13:51:33,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:51:33,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073241098] [2022-11-21 13:51:33,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:51:33,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:51:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:35,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 13:51:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:35,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:51:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:35,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:51:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:35,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:35,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:51:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:35,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:51:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:35,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:51:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:35,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 13:51:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:35,330 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-21 13:51:35,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:51:35,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073241098] [2022-11-21 13:51:35,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073241098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:51:35,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:51:35,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:51:35,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891600345] [2022-11-21 13:51:35,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:51:35,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 13:51:35,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:51:35,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 13:51:35,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:51:35,334 INFO L87 Difference]: Start difference. First operand 5732 states and 8160 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-21 13:51:35,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:51:35,971 INFO L93 Difference]: Finished difference Result 5738 states and 8165 transitions. [2022-11-21 13:51:35,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:51:35,971 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2022-11-21 13:51:35,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:51:36,011 INFO L225 Difference]: With dead ends: 5738 [2022-11-21 13:51:36,011 INFO L226 Difference]: Without dead ends: 5736 [2022-11-21 13:51:36,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 13:51:36,017 INFO L413 NwaCegarLoop]: 8122 mSDtfsCounter, 8090 mSDsluCounter, 16221 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8103 SdHoareTripleChecker+Valid, 24343 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:51:36,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8103 Valid, 24343 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 13:51:36,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5736 states. [2022-11-21 13:51:36,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5736 to 5736. [2022-11-21 13:51:36,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5736 states, 3890 states have (on average 1.2966580976863753) internal successors, (5044), 3986 states have internal predecessors, (5044), 1561 states have call successors, (1561), 283 states have call predecessors, (1561), 282 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2022-11-21 13:51:36,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5736 states to 5736 states and 8163 transitions. [2022-11-21 13:51:36,420 INFO L78 Accepts]: Start accepts. Automaton has 5736 states and 8163 transitions. Word has length 58 [2022-11-21 13:51:36,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:51:36,421 INFO L495 AbstractCegarLoop]: Abstraction has 5736 states and 8163 transitions. [2022-11-21 13:51:36,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-21 13:51:36,422 INFO L276 IsEmpty]: Start isEmpty. Operand 5736 states and 8163 transitions. [2022-11-21 13:51:36,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-21 13:51:36,431 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:51:36,432 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 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] [2022-11-21 13:51:36,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 13:51:36,433 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-21 13:51:36,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:51:36,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1148448293, now seen corresponding path program 1 times [2022-11-21 13:51:36,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:51:36,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487161180] [2022-11-21 13:51:36,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:51:36,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:51:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:37,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 13:51:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:37,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:51:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:37,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:51:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:37,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:37,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:51:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:37,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:51:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:37,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:51:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:37,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 13:51:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:37,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 13:51:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:37,655 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-21 13:51:37,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:51:37,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487161180] [2022-11-21 13:51:37,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487161180] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:51:37,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:51:37,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:51:37,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195408785] [2022-11-21 13:51:37,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:51:37,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 13:51:37,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:51:37,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 13:51:37,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:51:37,658 INFO L87 Difference]: Start difference. First operand 5736 states and 8163 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-21 13:51:38,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:51:38,307 INFO L93 Difference]: Finished difference Result 5742 states and 8168 transitions. [2022-11-21 13:51:38,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:51:38,308 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2022-11-21 13:51:38,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:51:38,346 INFO L225 Difference]: With dead ends: 5742 [2022-11-21 13:51:38,346 INFO L226 Difference]: Without dead ends: 5740 [2022-11-21 13:51:38,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 13:51:38,356 INFO L413 NwaCegarLoop]: 8122 mSDtfsCounter, 8090 mSDsluCounter, 16221 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8102 SdHoareTripleChecker+Valid, 24343 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:51:38,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8102 Valid, 24343 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 13:51:38,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5740 states. [2022-11-21 13:51:38,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5740 to 5740. [2022-11-21 13:51:38,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5740 states, 3893 states have (on average 1.296429488826098) internal successors, (5047), 3989 states have internal predecessors, (5047), 1561 states have call successors, (1561), 284 states have call predecessors, (1561), 283 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2022-11-21 13:51:38,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5740 states to 5740 states and 8166 transitions. [2022-11-21 13:51:38,758 INFO L78 Accepts]: Start accepts. Automaton has 5740 states and 8166 transitions. Word has length 63 [2022-11-21 13:51:38,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:51:38,759 INFO L495 AbstractCegarLoop]: Abstraction has 5740 states and 8166 transitions. [2022-11-21 13:51:38,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-21 13:51:38,759 INFO L276 IsEmpty]: Start isEmpty. Operand 5740 states and 8166 transitions. [2022-11-21 13:51:38,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-21 13:51:38,761 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:51:38,761 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 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] [2022-11-21 13:51:38,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 13:51:38,761 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-21 13:51:38,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:51:38,762 INFO L85 PathProgramCache]: Analyzing trace with hash 478217406, now seen corresponding path program 1 times [2022-11-21 13:51:38,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:51:38,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011275868] [2022-11-21 13:51:38,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:51:38,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:51:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:39,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 13:51:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:40,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:51:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:40,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:51:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:40,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:40,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:51:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:40,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:51:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:40,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:51:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:40,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 13:51:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:40,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 13:51:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:40,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 13:51:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:40,117 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-21 13:51:40,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:51:40,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011275868] [2022-11-21 13:51:40,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011275868] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:51:40,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:51:40,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:51:40,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847711103] [2022-11-21 13:51:40,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:51:40,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 13:51:40,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:51:40,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 13:51:40,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:51:40,119 INFO L87 Difference]: Start difference. First operand 5740 states and 8166 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-21 13:51:40,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:51:40,769 INFO L93 Difference]: Finished difference Result 5773 states and 8191 transitions. [2022-11-21 13:51:40,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:51:40,770 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2022-11-21 13:51:40,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:51:40,824 INFO L225 Difference]: With dead ends: 5773 [2022-11-21 13:51:40,824 INFO L226 Difference]: Without dead ends: 5771 [2022-11-21 13:51:40,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 13:51:40,830 INFO L413 NwaCegarLoop]: 8122 mSDtfsCounter, 8020 mSDsluCounter, 16309 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8031 SdHoareTripleChecker+Valid, 24431 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:51:40,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8031 Valid, 24431 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 13:51:40,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5771 states. [2022-11-21 13:51:41,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5771 to 5769. [2022-11-21 13:51:41,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5769 states, 3914 states have (on average 1.295094532447624) internal successors, (5069), 4010 states have internal predecessors, (5069), 1561 states have call successors, (1561), 292 states have call predecessors, (1561), 291 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2022-11-21 13:51:41,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5769 states to 5769 states and 8188 transitions. [2022-11-21 13:51:41,261 INFO L78 Accepts]: Start accepts. Automaton has 5769 states and 8188 transitions. Word has length 68 [2022-11-21 13:51:41,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:51:41,262 INFO L495 AbstractCegarLoop]: Abstraction has 5769 states and 8188 transitions. [2022-11-21 13:51:41,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-21 13:51:41,262 INFO L276 IsEmpty]: Start isEmpty. Operand 5769 states and 8188 transitions. [2022-11-21 13:51:41,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-21 13:51:41,263 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:51:41,264 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 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] [2022-11-21 13:51:41,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 13:51:41,264 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-21 13:51:41,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:51:41,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1404272773, now seen corresponding path program 1 times [2022-11-21 13:51:41,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:51:41,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130709098] [2022-11-21 13:51:41,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:51:41,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:51:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:42,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 13:51:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:42,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:51:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:42,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:51:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:42,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:42,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:51:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:42,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:51:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:42,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:51:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:42,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 13:51:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:42,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 13:51:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:42,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 13:51:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:42,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 13:51:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:42,380 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-21 13:51:42,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:51:42,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130709098] [2022-11-21 13:51:42,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130709098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:51:42,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:51:42,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:51:42,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411393569] [2022-11-21 13:51:42,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:51:42,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 13:51:42,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:51:42,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 13:51:42,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:51:42,385 INFO L87 Difference]: Start difference. First operand 5769 states and 8188 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-21 13:51:43,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:51:43,067 INFO L93 Difference]: Finished difference Result 5775 states and 8193 transitions. [2022-11-21 13:51:43,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:51:43,067 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 73 [2022-11-21 13:51:43,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:51:43,096 INFO L225 Difference]: With dead ends: 5775 [2022-11-21 13:51:43,096 INFO L226 Difference]: Without dead ends: 5773 [2022-11-21 13:51:43,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 13:51:43,103 INFO L413 NwaCegarLoop]: 8122 mSDtfsCounter, 8090 mSDsluCounter, 16221 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8100 SdHoareTripleChecker+Valid, 24343 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:51:43,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8100 Valid, 24343 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 13:51:43,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5773 states. [2022-11-21 13:51:43,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5773 to 5773. [2022-11-21 13:51:43,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5773 states, 3917 states have (on average 1.2948685218279294) internal successors, (5072), 4013 states have internal predecessors, (5072), 1561 states have call successors, (1561), 293 states have call predecessors, (1561), 292 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2022-11-21 13:51:43,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5773 states to 5773 states and 8191 transitions. [2022-11-21 13:51:43,667 INFO L78 Accepts]: Start accepts. Automaton has 5773 states and 8191 transitions. Word has length 73 [2022-11-21 13:51:43,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:51:43,667 INFO L495 AbstractCegarLoop]: Abstraction has 5773 states and 8191 transitions. [2022-11-21 13:51:43,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-21 13:51:43,668 INFO L276 IsEmpty]: Start isEmpty. Operand 5773 states and 8191 transitions. [2022-11-21 13:51:43,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-21 13:51:43,669 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:51:43,669 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 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] [2022-11-21 13:51:43,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 13:51:43,669 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-21 13:51:43,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:51:43,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1254208866, now seen corresponding path program 1 times [2022-11-21 13:51:43,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:51:43,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98795279] [2022-11-21 13:51:43,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:51:43,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:51:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:44,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 13:51:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:44,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:51:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:44,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:51:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:44,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:44,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:51:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:44,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:51:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:44,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:51:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:44,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 13:51:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:44,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 13:51:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:44,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 13:51:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:44,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 13:51:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:44,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 13:51:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:44,757 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-21 13:51:44,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:51:44,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98795279] [2022-11-21 13:51:44,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98795279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:51:44,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:51:44,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:51:44,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949314766] [2022-11-21 13:51:44,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:51:44,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 13:51:44,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:51:44,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 13:51:44,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:51:44,760 INFO L87 Difference]: Start difference. First operand 5773 states and 8191 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-21 13:51:45,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:51:45,486 INFO L93 Difference]: Finished difference Result 5779 states and 8196 transitions. [2022-11-21 13:51:45,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:51:45,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 78 [2022-11-21 13:51:45,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:51:45,515 INFO L225 Difference]: With dead ends: 5779 [2022-11-21 13:51:45,515 INFO L226 Difference]: Without dead ends: 5777 [2022-11-21 13:51:45,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 13:51:45,522 INFO L413 NwaCegarLoop]: 8122 mSDtfsCounter, 8090 mSDsluCounter, 16221 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8099 SdHoareTripleChecker+Valid, 24343 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:51:45,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8099 Valid, 24343 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 13:51:45,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5777 states. [2022-11-21 13:51:45,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5777 to 5777. [2022-11-21 13:51:45,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5777 states, 3920 states have (on average 1.2946428571428572) internal successors, (5075), 4016 states have internal predecessors, (5075), 1561 states have call successors, (1561), 294 states have call predecessors, (1561), 293 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2022-11-21 13:51:45,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5777 states to 5777 states and 8194 transitions. [2022-11-21 13:51:45,970 INFO L78 Accepts]: Start accepts. Automaton has 5777 states and 8194 transitions. Word has length 78 [2022-11-21 13:51:45,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:51:45,972 INFO L495 AbstractCegarLoop]: Abstraction has 5777 states and 8194 transitions. [2022-11-21 13:51:45,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-21 13:51:45,972 INFO L276 IsEmpty]: Start isEmpty. Operand 5777 states and 8194 transitions. [2022-11-21 13:51:45,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-21 13:51:45,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:51:45,979 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 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] [2022-11-21 13:51:45,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 13:51:45,979 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-21 13:51:45,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:51:45,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1049236763, now seen corresponding path program 1 times [2022-11-21 13:51:45,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:51:45,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671385417] [2022-11-21 13:51:45,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:51:45,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:51:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:47,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 13:51:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:47,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:51:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:47,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:51:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:47,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:47,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:51:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:47,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:51:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:47,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:51:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:47,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 13:51:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:47,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 13:51:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:47,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 13:51:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:47,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 13:51:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:47,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 13:51:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:47,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-21 13:51:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:47,219 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-21 13:51:47,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:51:47,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671385417] [2022-11-21 13:51:47,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671385417] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:51:47,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:51:47,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:51:47,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348658280] [2022-11-21 13:51:47,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:51:47,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 13:51:47,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:51:47,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 13:51:47,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:51:47,222 INFO L87 Difference]: Start difference. First operand 5777 states and 8194 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-21 13:51:48,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:51:48,158 INFO L93 Difference]: Finished difference Result 5783 states and 8199 transitions. [2022-11-21 13:51:48,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:51:48,158 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 83 [2022-11-21 13:51:48,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:51:48,193 INFO L225 Difference]: With dead ends: 5783 [2022-11-21 13:51:48,193 INFO L226 Difference]: Without dead ends: 5781 [2022-11-21 13:51:48,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 13:51:48,200 INFO L413 NwaCegarLoop]: 8122 mSDtfsCounter, 8090 mSDsluCounter, 16221 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8098 SdHoareTripleChecker+Valid, 24343 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:51:48,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8098 Valid, 24343 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 13:51:48,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5781 states. [2022-11-21 13:51:48,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5781 to 5781. [2022-11-21 13:51:48,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5781 states, 3923 states have (on average 1.2944175375987765) internal successors, (5078), 4019 states have internal predecessors, (5078), 1561 states have call successors, (1561), 295 states have call predecessors, (1561), 294 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2022-11-21 13:51:48,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5781 states to 5781 states and 8197 transitions. [2022-11-21 13:51:48,770 INFO L78 Accepts]: Start accepts. Automaton has 5781 states and 8197 transitions. Word has length 83 [2022-11-21 13:51:48,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:51:48,771 INFO L495 AbstractCegarLoop]: Abstraction has 5781 states and 8197 transitions. [2022-11-21 13:51:48,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-21 13:51:48,771 INFO L276 IsEmpty]: Start isEmpty. Operand 5781 states and 8197 transitions. [2022-11-21 13:51:48,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-21 13:51:48,773 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:51:48,773 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:51:48,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 13:51:48,774 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-21 13:51:48,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:51:48,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1744390040, now seen corresponding path program 1 times [2022-11-21 13:51:48,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:51:48,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523793586] [2022-11-21 13:51:48,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:51:48,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:51:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:49,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 13:51:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:49,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:51:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:49,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:51:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:49,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:49,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:51:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:49,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:51:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:49,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-21 13:51:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:49,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-21 13:51:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:49,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 13:51:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:49,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:51:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:49,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 13:51:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:49,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 13:51:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:49,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 13:51:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:49,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-21 13:51:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:49,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-21 13:51:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:49,882 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-21 13:51:49,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:51:49,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523793586] [2022-11-21 13:51:49,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523793586] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:51:49,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:51:49,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:51:49,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301376462] [2022-11-21 13:51:49,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:51:49,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 13:51:49,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:51:49,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 13:51:49,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:51:49,885 INFO L87 Difference]: Start difference. First operand 5781 states and 8197 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-21 13:51:50,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:51:50,611 INFO L93 Difference]: Finished difference Result 5787 states and 8202 transitions. [2022-11-21 13:51:50,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:51:50,611 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2022-11-21 13:51:50,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:51:50,641 INFO L225 Difference]: With dead ends: 5787 [2022-11-21 13:51:50,641 INFO L226 Difference]: Without dead ends: 5785 [2022-11-21 13:51:50,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 13:51:50,649 INFO L413 NwaCegarLoop]: 8122 mSDtfsCounter, 8080 mSDsluCounter, 16221 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8087 SdHoareTripleChecker+Valid, 24343 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:51:50,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8087 Valid, 24343 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 13:51:50,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5785 states. [2022-11-21 13:51:51,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5785 to 5785. [2022-11-21 13:51:51,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5785 states, 3926 states have (on average 1.294192562404483) internal successors, (5081), 4022 states have internal predecessors, (5081), 1561 states have call successors, (1561), 296 states have call predecessors, (1561), 295 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2022-11-21 13:51:51,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5785 states to 5785 states and 8200 transitions. [2022-11-21 13:51:51,261 INFO L78 Accepts]: Start accepts. Automaton has 5785 states and 8200 transitions. Word has length 101 [2022-11-21 13:51:51,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:51:51,262 INFO L495 AbstractCegarLoop]: Abstraction has 5785 states and 8200 transitions. [2022-11-21 13:51:51,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-21 13:51:51,262 INFO L276 IsEmpty]: Start isEmpty. Operand 5785 states and 8200 transitions. [2022-11-21 13:51:51,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-21 13:51:51,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:51:51,264 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 3, 3, 3, 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] [2022-11-21 13:51:51,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 13:51:51,265 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-21 13:51:51,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:51:51,265 INFO L85 PathProgramCache]: Analyzing trace with hash 905106107, now seen corresponding path program 1 times [2022-11-21 13:51:51,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:51:51,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483505195] [2022-11-21 13:51:51,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:51:51,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:51:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:52,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 13:51:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:52,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:51:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:52,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:51:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:52,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:52,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:51:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:52,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:51:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:52,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:51:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:52,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 13:51:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:52,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 13:51:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:52,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 13:51:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:52,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 13:51:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:52,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 13:51:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:52,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-21 13:51:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:52,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 13:51:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:52,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 13:51:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:52,317 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-21 13:51:52,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:51:52,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483505195] [2022-11-21 13:51:52,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483505195] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:51:52,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:51:52,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:51:52,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852881577] [2022-11-21 13:51:52,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:51:52,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 13:51:52,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:51:52,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 13:51:52,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:51:52,320 INFO L87 Difference]: Start difference. First operand 5785 states and 8200 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-21 13:51:53,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:51:53,082 INFO L93 Difference]: Finished difference Result 5791 states and 8205 transitions. [2022-11-21 13:51:53,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:51:53,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 93 [2022-11-21 13:51:53,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:51:53,115 INFO L225 Difference]: With dead ends: 5791 [2022-11-21 13:51:53,116 INFO L226 Difference]: Without dead ends: 5789 [2022-11-21 13:51:53,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 13:51:53,122 INFO L413 NwaCegarLoop]: 8122 mSDtfsCounter, 8090 mSDsluCounter, 16221 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8096 SdHoareTripleChecker+Valid, 24343 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:51:53,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8096 Valid, 24343 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 13:51:53,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5789 states. [2022-11-21 13:51:53,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5789 to 5789. [2022-11-21 13:51:53,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5789 states, 3929 states have (on average 1.2939679307711887) internal successors, (5084), 4025 states have internal predecessors, (5084), 1561 states have call successors, (1561), 297 states have call predecessors, (1561), 296 states have return successors, (1558), 1537 states have call predecessors, (1558), 1558 states have call successors, (1558) [2022-11-21 13:51:53,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5789 states to 5789 states and 8203 transitions. [2022-11-21 13:51:53,803 INFO L78 Accepts]: Start accepts. Automaton has 5789 states and 8203 transitions. Word has length 93 [2022-11-21 13:51:53,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:51:53,804 INFO L495 AbstractCegarLoop]: Abstraction has 5789 states and 8203 transitions. [2022-11-21 13:51:53,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-21 13:51:53,804 INFO L276 IsEmpty]: Start isEmpty. Operand 5789 states and 8203 transitions. [2022-11-21 13:51:53,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-21 13:51:53,807 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:51:53,808 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:51:53,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 13:51:53,808 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-21 13:51:53,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:51:53,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1547850184, now seen corresponding path program 1 times [2022-11-21 13:51:53,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:51:53,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177487742] [2022-11-21 13:51:53,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:51:53,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:51:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 13:51:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:51:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:51:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:51:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:51:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-21 13:51:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-21 13:51:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 13:51:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:51:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 13:51:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 13:51:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 13:51:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-21 13:51:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-21 13:51:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 13:51:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 13:51:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:54,877 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2022-11-21 13:51:54,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:51:54,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177487742] [2022-11-21 13:51:54,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177487742] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:51:54,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:51:54,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:51:54,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001405067] [2022-11-21 13:51:54,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:51:54,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 13:51:54,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:51:54,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 13:51:54,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:51:54,880 INFO L87 Difference]: Start difference. First operand 5789 states and 8203 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-21 13:51:55,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:51:55,769 INFO L93 Difference]: Finished difference Result 6668 states and 9407 transitions. [2022-11-21 13:51:55,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:51:55,770 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 111 [2022-11-21 13:51:55,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:51:55,809 INFO L225 Difference]: With dead ends: 6668 [2022-11-21 13:51:55,809 INFO L226 Difference]: Without dead ends: 6666 [2022-11-21 13:51:55,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 13:51:55,816 INFO L413 NwaCegarLoop]: 9195 mSDtfsCounter, 7051 mSDsluCounter, 20578 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7056 SdHoareTripleChecker+Valid, 29773 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:51:55,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7056 Valid, 29773 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 13:51:55,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6666 states. [2022-11-21 13:51:56,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6666 to 6660. [2022-11-21 13:51:56,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6660 states, 4531 states have (on average 1.2979474729640257) internal successors, (5881), 4645 states have internal predecessors, (5881), 1754 states have call successors, (1754), 375 states have call predecessors, (1754), 372 states have return successors, (1766), 1726 states have call predecessors, (1766), 1751 states have call successors, (1766) [2022-11-21 13:51:56,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6660 states to 6660 states and 9401 transitions. [2022-11-21 13:51:56,419 INFO L78 Accepts]: Start accepts. Automaton has 6660 states and 9401 transitions. Word has length 111 [2022-11-21 13:51:56,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:51:56,420 INFO L495 AbstractCegarLoop]: Abstraction has 6660 states and 9401 transitions. [2022-11-21 13:51:56,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-21 13:51:56,420 INFO L276 IsEmpty]: Start isEmpty. Operand 6660 states and 9401 transitions. [2022-11-21 13:51:56,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-21 13:51:56,422 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:51:56,422 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 3, 3, 3, 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] [2022-11-21 13:51:56,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 13:51:56,423 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-21 13:51:56,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:51:56,423 INFO L85 PathProgramCache]: Analyzing trace with hash 347387995, now seen corresponding path program 1 times [2022-11-21 13:51:56,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:51:56,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740939759] [2022-11-21 13:51:56,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:51:56,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:51:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:57,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 13:51:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:57,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:51:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:57,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:51:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:57,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:57,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:51:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:57,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:51:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:57,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:51:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:57,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 13:51:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:57,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 13:51:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:57,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 13:51:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:57,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 13:51:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:57,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 13:51:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:57,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-21 13:51:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:57,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 13:51:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:57,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 13:51:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:57,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 13:51:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:57,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 13:51:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:57,492 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-21 13:51:57,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:51:57,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740939759] [2022-11-21 13:51:57,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740939759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:51:57,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:51:57,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:51:57,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524078379] [2022-11-21 13:51:57,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:51:57,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 13:51:57,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:51:57,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 13:51:57,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:51:57,495 INFO L87 Difference]: Start difference. First operand 6660 states and 9401 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-21 13:51:58,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:51:58,328 INFO L93 Difference]: Finished difference Result 6666 states and 9406 transitions. [2022-11-21 13:51:58,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:51:58,331 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 103 [2022-11-21 13:51:58,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:51:58,368 INFO L225 Difference]: With dead ends: 6666 [2022-11-21 13:51:58,368 INFO L226 Difference]: Without dead ends: 6664 [2022-11-21 13:51:58,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 13:51:58,375 INFO L413 NwaCegarLoop]: 8122 mSDtfsCounter, 8090 mSDsluCounter, 16221 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8094 SdHoareTripleChecker+Valid, 24343 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:51:58,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8094 Valid, 24343 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 13:51:58,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6664 states. [2022-11-21 13:51:58,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6664 to 6664. [2022-11-21 13:51:58,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6664 states, 4534 states have (on average 1.2977503308337008) internal successors, (5884), 4648 states have internal predecessors, (5884), 1754 states have call successors, (1754), 376 states have call predecessors, (1754), 373 states have return successors, (1766), 1726 states have call predecessors, (1766), 1751 states have call successors, (1766) [2022-11-21 13:51:58,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6664 states to 6664 states and 9404 transitions. [2022-11-21 13:51:58,993 INFO L78 Accepts]: Start accepts. Automaton has 6664 states and 9404 transitions. Word has length 103 [2022-11-21 13:51:58,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:51:58,994 INFO L495 AbstractCegarLoop]: Abstraction has 6664 states and 9404 transitions. [2022-11-21 13:51:58,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-21 13:51:58,994 INFO L276 IsEmpty]: Start isEmpty. Operand 6664 states and 9404 transitions. [2022-11-21 13:51:58,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-21 13:51:58,996 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:51:58,996 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 3, 3, 3, 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] [2022-11-21 13:51:58,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 13:51:58,997 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-21 13:51:58,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:51:58,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1545940030, now seen corresponding path program 1 times [2022-11-21 13:51:58,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:51:58,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797370425] [2022-11-21 13:51:58,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:51:58,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:51:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:59,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 13:51:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:59,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:51:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:59,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:51:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:59,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:51:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:51:59,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:51:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:00,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:52:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:00,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:52:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:00,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 13:52:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:00,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 13:52:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:00,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 13:52:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:00,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 13:52:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:00,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 13:52:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:00,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-21 13:52:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:00,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 13:52:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:00,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 13:52:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:00,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 13:52:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:00,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 13:52:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:00,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 13:52:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:00,188 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-11-21 13:52:00,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:52:00,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797370425] [2022-11-21 13:52:00,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797370425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:52:00,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:52:00,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:52:00,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181543964] [2022-11-21 13:52:00,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:52:00,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 13:52:00,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:52:00,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 13:52:00,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:52:00,191 INFO L87 Difference]: Start difference. First operand 6664 states and 9404 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-21 13:52:01,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:52:01,089 INFO L93 Difference]: Finished difference Result 6670 states and 9409 transitions. [2022-11-21 13:52:01,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:52:01,090 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 108 [2022-11-21 13:52:01,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:52:01,123 INFO L225 Difference]: With dead ends: 6670 [2022-11-21 13:52:01,123 INFO L226 Difference]: Without dead ends: 6668 [2022-11-21 13:52:01,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 13:52:01,130 INFO L413 NwaCegarLoop]: 8122 mSDtfsCounter, 8090 mSDsluCounter, 16221 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8093 SdHoareTripleChecker+Valid, 24343 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:52:01,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8093 Valid, 24343 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 13:52:01,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6668 states. [2022-11-21 13:52:01,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6668 to 6668. [2022-11-21 13:52:01,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6668 states, 4537 states have (on average 1.2975534494159136) internal successors, (5887), 4651 states have internal predecessors, (5887), 1754 states have call successors, (1754), 377 states have call predecessors, (1754), 374 states have return successors, (1766), 1726 states have call predecessors, (1766), 1751 states have call successors, (1766) [2022-11-21 13:52:01,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6668 states to 6668 states and 9407 transitions. [2022-11-21 13:52:01,765 INFO L78 Accepts]: Start accepts. Automaton has 6668 states and 9407 transitions. Word has length 108 [2022-11-21 13:52:01,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:52:01,765 INFO L495 AbstractCegarLoop]: Abstraction has 6668 states and 9407 transitions. [2022-11-21 13:52:01,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-21 13:52:01,766 INFO L276 IsEmpty]: Start isEmpty. Operand 6668 states and 9407 transitions. [2022-11-21 13:52:01,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-21 13:52:01,768 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:52:01,768 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:52:01,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 13:52:01,769 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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)] === [2022-11-21 13:52:01,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:52:01,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1209749841, now seen corresponding path program 1 times [2022-11-21 13:52:01,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:52:01,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30509853] [2022-11-21 13:52:01,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:52:01,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:52:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 13:52:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:52:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:52:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:52:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:52:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-21 13:52:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-21 13:52:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 13:52:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:52:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 13:52:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 13:52:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 13:52:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-21 13:52:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-21 13:52:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 13:52:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 13:52:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-21 13:52:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-21 13:52:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 13:52:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:02,826 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-11-21 13:52:02,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:52:02,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30509853] [2022-11-21 13:52:02,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30509853] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:52:02,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:52:02,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:52:02,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275499079] [2022-11-21 13:52:02,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:52:02,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 13:52:02,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:52:02,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 13:52:02,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:52:02,829 INFO L87 Difference]: Start difference. First operand 6668 states and 9407 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 13:52:03,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:52:03,918 INFO L93 Difference]: Finished difference Result 6674 states and 9412 transitions. [2022-11-21 13:52:03,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:52:03,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 126 [2022-11-21 13:52:03,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:52:03,956 INFO L225 Difference]: With dead ends: 6674 [2022-11-21 13:52:03,956 INFO L226 Difference]: Without dead ends: 6672 [2022-11-21 13:52:03,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 13:52:03,963 INFO L413 NwaCegarLoop]: 8122 mSDtfsCounter, 8080 mSDsluCounter, 16221 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8082 SdHoareTripleChecker+Valid, 24343 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:52:03,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8082 Valid, 24343 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 13:52:03,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6672 states. [2022-11-21 13:52:04,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6672 to 6672. [2022-11-21 13:52:04,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6672 states, 4540 states have (on average 1.2973568281938326) internal successors, (5890), 4654 states have internal predecessors, (5890), 1754 states have call successors, (1754), 378 states have call predecessors, (1754), 375 states have return successors, (1766), 1726 states have call predecessors, (1766), 1751 states have call successors, (1766) [2022-11-21 13:52:04,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6672 states to 6672 states and 9410 transitions. [2022-11-21 13:52:04,633 INFO L78 Accepts]: Start accepts. Automaton has 6672 states and 9410 transitions. Word has length 126 [2022-11-21 13:52:04,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:52:04,634 INFO L495 AbstractCegarLoop]: Abstraction has 6672 states and 9410 transitions. [2022-11-21 13:52:04,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 13:52:04,634 INFO L276 IsEmpty]: Start isEmpty. Operand 6672 states and 9410 transitions. [2022-11-21 13:52:04,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-21 13:52:04,637 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:52:04,637 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:52:04,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-21 13:52:04,637 INFO L420 AbstractCegarLoop]: === Iteration 15 === 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)] === [2022-11-21 13:52:04,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:52:04,638 INFO L85 PathProgramCache]: Analyzing trace with hash 597439680, now seen corresponding path program 1 times [2022-11-21 13:52:04,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:52:04,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359242570] [2022-11-21 13:52:04,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:52:04,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:52:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:06,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 13:52:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:06,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:52:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:06,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:52:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:06,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:06,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:52:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:06,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:52:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:06,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-21 13:52:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:06,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 13:52:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:06,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:06,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:52:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:06,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 13:52:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:06,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 13:52:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:06,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-21 13:52:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:06,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:06,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:52:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:06,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 13:52:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:07,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 13:52:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:07,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 13:52:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:07,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-21 13:52:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:07,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:52:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:52:07,054 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-21 13:52:07,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:52:07,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359242570] [2022-11-21 13:52:07,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359242570] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:52:07,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:52:07,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 13:52:07,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472534190] [2022-11-21 13:52:07,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:52:07,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 13:52:07,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:52:07,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 13:52:07,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 13:52:07,056 INFO L87 Difference]: Start difference. First operand 6672 states and 9410 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-21 13:52:41,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:53:01,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:53:04,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:53:46,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:53:48,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:53:49,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:53:49,684 INFO L93 Difference]: Finished difference Result 12709 states and 18447 transitions. [2022-11-21 13:53:49,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 13:53:49,685 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 138 [2022-11-21 13:53:49,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:53:49,755 INFO L225 Difference]: With dead ends: 12709 [2022-11-21 13:53:49,756 INFO L226 Difference]: Without dead ends: 12707 [2022-11-21 13:53:49,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-21 13:53:49,766 INFO L413 NwaCegarLoop]: 7339 mSDtfsCounter, 11324 mSDsluCounter, 20714 mSDsCounter, 0 mSdLazyCounter, 19083 mSolverCounterSat, 5106 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 95.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12558 SdHoareTripleChecker+Valid, 28053 SdHoareTripleChecker+Invalid, 24192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 5106 IncrementalHoareTripleChecker+Valid, 19083 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 100.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:53:49,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12558 Valid, 28053 Invalid, 24192 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [5106 Valid, 19083 Invalid, 3 Unknown, 0 Unchecked, 100.1s Time] [2022-11-21 13:53:49,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12707 states. [2022-11-21 13:53:51,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12707 to 11557. [2022-11-21 13:53:51,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11557 states, 7862 states have (on average 1.2887306029000254) internal successors, (10132), 8080 states have internal predecessors, (10132), 3025 states have call successors, (3025), 630 states have call predecessors, (3025), 667 states have return successors, (3407), 2983 states have call predecessors, (3407), 3022 states have call successors, (3407) [2022-11-21 13:53:51,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11557 states to 11557 states and 16564 transitions. [2022-11-21 13:53:51,221 INFO L78 Accepts]: Start accepts. Automaton has 11557 states and 16564 transitions. Word has length 138 [2022-11-21 13:53:51,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:53:51,221 INFO L495 AbstractCegarLoop]: Abstraction has 11557 states and 16564 transitions. [2022-11-21 13:53:51,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-21 13:53:51,221 INFO L276 IsEmpty]: Start isEmpty. Operand 11557 states and 16564 transitions. [2022-11-21 13:53:51,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-21 13:53:51,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:53:51,223 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 3, 3, 3, 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] [2022-11-21 13:53:51,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-21 13:53:51,224 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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)] === [2022-11-21 13:53:51,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:53:51,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1958882786, now seen corresponding path program 1 times [2022-11-21 13:53:51,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:53:51,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9156113] [2022-11-21 13:53:51,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:53:51,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:53:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:52,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 13:53:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:52,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:53:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:52,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:53:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:52,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:52,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:53:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:52,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:53:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:52,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:53:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:52,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 13:53:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:52,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-21 13:53:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:52,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 13:53:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:52,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 13:53:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:52,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-21 13:53:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:52,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-21 13:53:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:52,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 13:53:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:52,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 13:53:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:52,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 13:53:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:52,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-21 13:53:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:52,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 13:53:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:52,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-21 13:53:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:52,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 13:53:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:52,330 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-11-21 13:53:52,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:53:52,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9156113] [2022-11-21 13:53:52,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9156113] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:53:52,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:53:52,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:53:52,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995625272] [2022-11-21 13:53:52,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:53:52,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 13:53:52,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:53:52,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 13:53:52,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:53:52,333 INFO L87 Difference]: Start difference. First operand 11557 states and 16564 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 13:53:53,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:53:53,857 INFO L93 Difference]: Finished difference Result 11563 states and 16569 transitions. [2022-11-21 13:53:53,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:53:53,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 118 [2022-11-21 13:53:53,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:53:53,915 INFO L225 Difference]: With dead ends: 11563 [2022-11-21 13:53:53,916 INFO L226 Difference]: Without dead ends: 11559 [2022-11-21 13:53:53,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 13:53:53,927 INFO L413 NwaCegarLoop]: 8122 mSDtfsCounter, 8090 mSDsluCounter, 16221 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8091 SdHoareTripleChecker+Valid, 24343 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:53:53,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8091 Valid, 24343 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 13:53:53,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11559 states. [2022-11-21 13:53:55,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11559 to 11559. [2022-11-21 13:53:55,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11559 states, 7864 states have (on average 1.28853001017294) internal successors, (10133), 8081 states have internal predecessors, (10133), 3025 states have call successors, (3025), 631 states have call predecessors, (3025), 667 states have return successors, (3407), 2983 states have call predecessors, (3407), 3022 states have call successors, (3407) [2022-11-21 13:53:55,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11559 states to 11559 states and 16565 transitions. [2022-11-21 13:53:55,429 INFO L78 Accepts]: Start accepts. Automaton has 11559 states and 16565 transitions. Word has length 118 [2022-11-21 13:53:55,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:53:55,430 INFO L495 AbstractCegarLoop]: Abstraction has 11559 states and 16565 transitions. [2022-11-21 13:53:55,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 13:53:55,430 INFO L276 IsEmpty]: Start isEmpty. Operand 11559 states and 16565 transitions. [2022-11-21 13:53:55,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-21 13:53:55,433 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:53:55,433 INFO L195 NwaCegarLoop]: trace histogram [16, 15, 15, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:53:55,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-21 13:53:55,433 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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)] === [2022-11-21 13:53:55,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:53:55,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1480862863, now seen corresponding path program 1 times [2022-11-21 13:53:55,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:53:55,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983135789] [2022-11-21 13:53:55,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:53:55,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:53:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:56,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 13:53:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:56,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:53:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:56,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:53:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:56,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:53:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:56,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:53:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:56,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:53:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:56,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-21 13:53:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:56,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-21 13:53:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:56,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 13:53:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:56,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 13:53:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:56,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 13:53:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:56,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 13:53:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:56,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 13:53:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:56,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-21 13:53:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:56,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-21 13:53:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:56,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 13:53:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:56,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 13:53:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:56,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-21 13:53:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:56,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-21 13:53:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:56,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 13:53:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:56,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 13:53:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:56,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-21 13:53:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:53:56,594 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-11-21 13:53:56,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:53:56,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983135789] [2022-11-21 13:53:56,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983135789] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:53:56,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:53:56,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:53:56,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373282517] [2022-11-21 13:53:56,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:53:56,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 13:53:56,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:53:56,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 13:53:56,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:53:56,597 INFO L87 Difference]: Start difference. First operand 11559 states and 16565 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 13:53:57,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:53:57,707 INFO L93 Difference]: Finished difference Result 11559 states and 16565 transitions. [2022-11-21 13:53:57,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 13:53:57,707 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 136 [2022-11-21 13:53:57,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:53:57,750 INFO L225 Difference]: With dead ends: 11559 [2022-11-21 13:53:57,750 INFO L226 Difference]: Without dead ends: 11465 [2022-11-21 13:53:57,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 13:53:57,756 INFO L413 NwaCegarLoop]: 8120 mSDtfsCounter, 8076 mSDsluCounter, 16220 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8076 SdHoareTripleChecker+Valid, 24340 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:53:57,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8076 Valid, 24340 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 13:53:57,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11465 states. [2022-11-21 13:53:58,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11465 to 11465. [2022-11-21 13:53:58,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11465 states, 7806 states have (on average 1.289905201127338) internal successors, (10069), 8020 states have internal predecessors, (10069), 3005 states have call successors, (3005), 614 states have call predecessors, (3005), 652 states have return successors, (3390), 2967 states have call predecessors, (3390), 3005 states have call successors, (3390) [2022-11-21 13:53:58,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11465 states to 11465 states and 16464 transitions. [2022-11-21 13:53:58,836 INFO L78 Accepts]: Start accepts. Automaton has 11465 states and 16464 transitions. Word has length 136 [2022-11-21 13:53:58,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:53:58,837 INFO L495 AbstractCegarLoop]: Abstraction has 11465 states and 16464 transitions. [2022-11-21 13:53:58,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 13:53:58,837 INFO L276 IsEmpty]: Start isEmpty. Operand 11465 states and 16464 transitions. [2022-11-21 13:53:58,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-21 13:53:58,842 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:53:58,842 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:53:58,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-21 13:53:58,842 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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)] === [2022-11-21 13:53:58,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:53:58,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1400739094, now seen corresponding path program 1 times [2022-11-21 13:53:58,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:53:58,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377975042] [2022-11-21 13:53:58,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:53:58,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:53:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:54:00,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 13:54:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:54:00,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:54:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:54:00,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:54:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:54:00,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:54:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:54:00,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:54:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:54:00,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:54:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:54:00,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-21 13:54:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:54:00,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 13:54:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:54:00,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:54:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:54:00,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:54:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:54:00,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 13:54:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:54:00,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 13:54:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:54:00,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-21 13:54:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:54:00,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:54:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:54:00,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:54:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:54:00,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 13:54:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:54:00,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 13:54:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:54:01,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-21 13:54:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:54:01,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 13:54:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:54:01,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 13:54:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:54:01,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:54:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:54:01,041 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-21 13:54:01,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:54:01,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377975042] [2022-11-21 13:54:01,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377975042] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:54:01,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:54:01,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 13:54:01,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122022321] [2022-11-21 13:54:01,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:54:01,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 13:54:01,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:54:01,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 13:54:01,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 13:54:01,044 INFO L87 Difference]: Start difference. First operand 11465 states and 16464 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-21 13:54:36,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:54:52,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:54:55,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:54:57,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:54:59,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:55:01,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:55:03,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:55:12,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:55:12,575 INFO L93 Difference]: Finished difference Result 12614 states and 18369 transitions. [2022-11-21 13:55:12,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 13:55:12,576 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 151 [2022-11-21 13:55:12,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:55:12,636 INFO L225 Difference]: With dead ends: 12614 [2022-11-21 13:55:12,636 INFO L226 Difference]: Without dead ends: 12612 [2022-11-21 13:55:12,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-21 13:55:12,647 INFO L413 NwaCegarLoop]: 5971 mSDtfsCounter, 9771 mSDsluCounter, 13300 mSDsCounter, 0 mSdLazyCounter, 10756 mSolverCounterSat, 4163 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10537 SdHoareTripleChecker+Valid, 19271 SdHoareTripleChecker+Invalid, 14925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4163 IncrementalHoareTripleChecker+Valid, 10756 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.3s IncrementalHoareTripleChecker+Time [2022-11-21 13:55:12,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10537 Valid, 19271 Invalid, 14925 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4163 Valid, 10756 Invalid, 6 Unknown, 0 Unchecked, 69.3s Time] [2022-11-21 13:55:12,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12612 states. [2022-11-21 13:55:14,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12612 to 11556. [2022-11-21 13:55:14,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11556 states, 7863 states have (on average 1.288693882741956) internal successors, (10133), 8080 states have internal predecessors, (10133), 3030 states have call successors, (3030), 627 states have call predecessors, (3030), 661 states have return successors, (3415), 2985 states have call predecessors, (3415), 3030 states have call successors, (3415) [2022-11-21 13:55:14,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11556 states to 11556 states and 16578 transitions. [2022-11-21 13:55:14,168 INFO L78 Accepts]: Start accepts. Automaton has 11556 states and 16578 transitions. Word has length 151 [2022-11-21 13:55:14,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:55:14,169 INFO L495 AbstractCegarLoop]: Abstraction has 11556 states and 16578 transitions. [2022-11-21 13:55:14,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-21 13:55:14,169 INFO L276 IsEmpty]: Start isEmpty. Operand 11556 states and 16578 transitions. [2022-11-21 13:55:14,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-21 13:55:14,172 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:55:14,172 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:55:14,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-21 13:55:14,173 INFO L420 AbstractCegarLoop]: === Iteration 19 === 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)] === [2022-11-21 13:55:14,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:55:14,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1980630691, now seen corresponding path program 1 times [2022-11-21 13:55:14,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:55:14,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006335987] [2022-11-21 13:55:14,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:55:14,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:55:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 13:55:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:55:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:55:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:55:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:55:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:55:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-21 13:55:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 13:55:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:55:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:55:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 13:55:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 13:55:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-21 13:55:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:55:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:55:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 13:55:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 13:55:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 13:55:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 13:55:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:55:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:55:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 13:55:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-21 13:55:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:55:14,813 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-21 13:55:14,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:55:14,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006335987] [2022-11-21 13:55:14,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006335987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:55:14,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:55:14,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 13:55:14,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044502183] [2022-11-21 13:55:14,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:55:14,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 13:55:14,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:55:14,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 13:55:14,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 13:55:14,816 INFO L87 Difference]: Start difference. First operand 11556 states and 16578 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 13:55:43,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:55:57,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:56:00,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:56:06,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:56:06,624 INFO L93 Difference]: Finished difference Result 24150 states and 35326 transitions. [2022-11-21 13:56:06,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 13:56:06,625 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 162 [2022-11-21 13:56:06,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:56:06,708 INFO L225 Difference]: With dead ends: 24150 [2022-11-21 13:56:06,708 INFO L226 Difference]: Without dead ends: 12613 [2022-11-21 13:56:06,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:56:06,791 INFO L413 NwaCegarLoop]: 5874 mSDtfsCounter, 3074 mSDsluCounter, 7991 mSDsCounter, 0 mSdLazyCounter, 7134 mSolverCounterSat, 1554 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3760 SdHoareTripleChecker+Valid, 13865 SdHoareTripleChecker+Invalid, 8691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1554 IncrementalHoareTripleChecker+Valid, 7134 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.7s IncrementalHoareTripleChecker+Time [2022-11-21 13:56:06,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3760 Valid, 13865 Invalid, 8691 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1554 Valid, 7134 Invalid, 3 Unknown, 0 Unchecked, 49.7s Time] [2022-11-21 13:56:06,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12613 states. [2022-11-21 13:56:08,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12613 to 11558. [2022-11-21 13:56:08,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11558 states, 7865 states have (on average 1.2886204704386524) internal successors, (10135), 8082 states have internal predecessors, (10135), 3030 states have call successors, (3030), 627 states have call predecessors, (3030), 661 states have return successors, (3415), 2985 states have call predecessors, (3415), 3030 states have call successors, (3415) [2022-11-21 13:56:08,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11558 states to 11558 states and 16580 transitions. [2022-11-21 13:56:08,137 INFO L78 Accepts]: Start accepts. Automaton has 11558 states and 16580 transitions. Word has length 162 [2022-11-21 13:56:08,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:56:08,137 INFO L495 AbstractCegarLoop]: Abstraction has 11558 states and 16580 transitions. [2022-11-21 13:56:08,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 13:56:08,138 INFO L276 IsEmpty]: Start isEmpty. Operand 11558 states and 16580 transitions. [2022-11-21 13:56:08,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-21 13:56:08,142 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:56:08,142 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:56:08,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-21 13:56:08,143 INFO L420 AbstractCegarLoop]: === Iteration 20 === 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)] === [2022-11-21 13:56:08,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:56:08,143 INFO L85 PathProgramCache]: Analyzing trace with hash 70353307, now seen corresponding path program 1 times [2022-11-21 13:56:08,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:56:08,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656285138] [2022-11-21 13:56:08,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:56:08,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:56:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 13:56:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:56:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:56:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:56:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:56:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:56:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-21 13:56:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 13:56:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:56:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:56:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 13:56:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 13:56:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-21 13:56:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:56:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:56:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 13:56:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 13:56:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 13:56:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 13:56:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:56:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:56:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 13:56:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-21 13:56:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:56:09,630 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-21 13:56:09,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:56:09,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656285138] [2022-11-21 13:56:09,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656285138] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:56:09,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:56:09,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 13:56:09,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715756753] [2022-11-21 13:56:09,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:56:09,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 13:56:09,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:56:09,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 13:56:09,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 13:56:09,633 INFO L87 Difference]: Start difference. First operand 11558 states and 16580 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 13:56:49,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:57:10,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:57:12,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:58:09,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:58:09,211 INFO L93 Difference]: Finished difference Result 24660 states and 36749 transitions. [2022-11-21 13:58:09,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 13:58:09,212 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 162 [2022-11-21 13:58:09,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:58:09,334 INFO L225 Difference]: With dead ends: 24660 [2022-11-21 13:58:09,334 INFO L226 Difference]: Without dead ends: 24658 [2022-11-21 13:58:09,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-21 13:58:09,348 INFO L413 NwaCegarLoop]: 6974 mSDtfsCounter, 12383 mSDsluCounter, 19489 mSDsCounter, 0 mSdLazyCounter, 18721 mSolverCounterSat, 5354 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 110.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13841 SdHoareTripleChecker+Valid, 26463 SdHoareTripleChecker+Invalid, 24077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5354 IncrementalHoareTripleChecker+Valid, 18721 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 115.6s IncrementalHoareTripleChecker+Time [2022-11-21 13:58:09,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13841 Valid, 26463 Invalid, 24077 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5354 Valid, 18721 Invalid, 2 Unknown, 0 Unchecked, 115.6s Time] [2022-11-21 13:58:09,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24658 states. [2022-11-21 13:58:11,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24658 to 23715. [2022-11-21 13:58:11,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23715 states, 16168 states have (on average 1.289213260761999) internal successors, (20844), 16623 states have internal predecessors, (20844), 6188 states have call successors, (6188), 1223 states have call predecessors, (6188), 1357 states have return successors, (8069), 6147 states have call predecessors, (8069), 6188 states have call successors, (8069) [2022-11-21 13:58:11,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23715 states to 23715 states and 35101 transitions. [2022-11-21 13:58:11,776 INFO L78 Accepts]: Start accepts. Automaton has 23715 states and 35101 transitions. Word has length 162 [2022-11-21 13:58:11,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:58:11,776 INFO L495 AbstractCegarLoop]: Abstraction has 23715 states and 35101 transitions. [2022-11-21 13:58:11,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 13:58:11,777 INFO L276 IsEmpty]: Start isEmpty. Operand 23715 states and 35101 transitions. [2022-11-21 13:58:11,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-11-21 13:58:11,781 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:58:11,781 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 13:58:11,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-21 13:58:11,782 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2022-11-21 13:58:11,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:58:11,782 INFO L85 PathProgramCache]: Analyzing trace with hash 603223526, now seen corresponding path program 1 times [2022-11-21 13:58:11,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:58:11,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871155835] [2022-11-21 13:58:11,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:58:11,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:58:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 13:58:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:58:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:58:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:58:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:58:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:58:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-21 13:58:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 13:58:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:58:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:58:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 13:58:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 13:58:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-21 13:58:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:58:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:58:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 13:58:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 13:58:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-21 13:58:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 13:58:12,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-11-21 13:58:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:58:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-21 13:58:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:58:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-21 13:58:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-21 13:58:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-21 13:58:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 13:58:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:58:12,789 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-21 13:58:12,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:58:12,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871155835] [2022-11-21 13:58:12,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871155835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:58:12,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:58:12,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 13:58:12,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775663092] [2022-11-21 13:58:12,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:58:12,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 13:58:12,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:58:12,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 13:58:12,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 13:58:12,792 INFO L87 Difference]: Start difference. First operand 23715 states and 35101 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-21 13:59:08,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:59:10,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:00:04,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:00:06,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:00:09,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:00:27,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:00:29,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:00:33,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:00:33,254 INFO L93 Difference]: Finished difference Result 56526 states and 86403 transitions. [2022-11-21 14:00:33,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 14:00:33,254 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 178 [2022-11-21 14:00:33,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:00:33,412 INFO L225 Difference]: With dead ends: 56526 [2022-11-21 14:00:33,412 INFO L226 Difference]: Without dead ends: 32830 [2022-11-21 14:00:33,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-11-21 14:00:33,548 INFO L413 NwaCegarLoop]: 4616 mSDtfsCounter, 11041 mSDsluCounter, 13114 mSDsCounter, 0 mSdLazyCounter, 19926 mSolverCounterSat, 8362 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 129.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12362 SdHoareTripleChecker+Valid, 17730 SdHoareTripleChecker+Invalid, 28294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 8362 IncrementalHoareTripleChecker+Valid, 19926 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 135.3s IncrementalHoareTripleChecker+Time [2022-11-21 14:00:33,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12362 Valid, 17730 Invalid, 28294 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [8362 Valid, 19926 Invalid, 6 Unknown, 0 Unchecked, 135.3s Time] [2022-11-21 14:00:33,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32830 states. [2022-11-21 14:00:36,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32830 to 29050. [2022-11-21 14:00:36,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29050 states, 19870 states have (on average 1.289682939104177) internal successors, (25626), 20450 states have internal predecessors, (25626), 7640 states have call successors, (7640), 1227 states have call predecessors, (7640), 1538 states have return successors, (10696), 7699 states have call predecessors, (10696), 7640 states have call successors, (10696) [2022-11-21 14:00:37,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29050 states to 29050 states and 43962 transitions. [2022-11-21 14:00:37,008 INFO L78 Accepts]: Start accepts. Automaton has 29050 states and 43962 transitions. Word has length 178 [2022-11-21 14:00:37,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:00:37,008 INFO L495 AbstractCegarLoop]: Abstraction has 29050 states and 43962 transitions. [2022-11-21 14:00:37,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-21 14:00:37,008 INFO L276 IsEmpty]: Start isEmpty. Operand 29050 states and 43962 transitions. [2022-11-21 14:00:37,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-21 14:00:37,012 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:00:37,012 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:00:37,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-21 14:00:37,013 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2022-11-21 14:00:37,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:00:37,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1303977414, now seen corresponding path program 1 times [2022-11-21 14:00:37,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:00:37,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527520092] [2022-11-21 14:00:37,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:00:37,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:00:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 14:00:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 14:00:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 14:00:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 14:00:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 14:00:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-21 14:00:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-21 14:00:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:00:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 14:00:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 14:00:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-21 14:00:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:00:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 14:00:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 14:00:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-21 14:00:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 14:00:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 14:00:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-21 14:00:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:00:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-21 14:00:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-21 14:00:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-21 14:00:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-21 14:00:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:00:38,769 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-21 14:00:38,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:00:38,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527520092] [2022-11-21 14:00:38,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527520092] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:00:38,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:00:38,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 14:00:38,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707861181] [2022-11-21 14:00:38,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:00:38,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 14:00:38,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:00:38,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 14:00:38,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-21 14:00:38,772 INFO L87 Difference]: Start difference. First operand 29050 states and 43962 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (30), 6 states have call predecessors, (30), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-21 14:01:19,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:01:57,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:02:02,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:02:04,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:02:07,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []