./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 39ee2ab624432b04c82409208cb55ec81e2dd2f34a0a1ec3852f07ecbac05add --- 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-5e519f3 [2022-11-03 01:50:39,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:50:39,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:50:39,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:50:39,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:50:39,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:50:39,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:50:39,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:50:39,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:50:39,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:50:39,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:50:39,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:50:39,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:50:39,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:50:39,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:50:39,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:50:39,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:50:39,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:50:39,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:50:39,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:50:39,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:50:39,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:50:39,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:50:39,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:50:39,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:50:39,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:50:39,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:50:39,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:50:39,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:50:39,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:50:39,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:50:39,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:50:39,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:50:39,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:50:39,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:50:39,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:50:39,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:50:39,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:50:39,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:50:39,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:50:39,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:50:39,313 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:50:39,358 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:50:39,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:50:39,359 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:50:39,359 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:50:39,360 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:50:39,360 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:50:39,360 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:50:39,361 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:50:39,361 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:50:39,361 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:50:39,362 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:50:39,362 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:50:39,362 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:50:39,363 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:50:39,363 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:50:39,363 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:50:39,363 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:50:39,363 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:50:39,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:50:39,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:50:39,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:50:39,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:50:39,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:50:39,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:50:39,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:50:39,365 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:50:39,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:50:39,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:50:39,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:50:39,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:50:39,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:50:39,367 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:50:39,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:50:39,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:50:39,367 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:50:39,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:50:39,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:50:39,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:50:39,368 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_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39ee2ab624432b04c82409208cb55ec81e2dd2f34a0a1ec3852f07ecbac05add [2022-11-03 01:50:39,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:50:39,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:50:39,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:50:39,747 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:50:39,748 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:50:39,767 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-03 01:50:39,843 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI/data/3e48b024c/a94902c2ce314a4e8cfd770b8e04bd34/FLAG197052c64 [2022-11-03 01:50:41,230 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:50:41,230 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-03 01:50:41,426 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI/data/3e48b024c/a94902c2ce314a4e8cfd770b8e04bd34/FLAG197052c64 [2022-11-03 01:50:41,788 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI/data/3e48b024c/a94902c2ce314a4e8cfd770b8e04bd34 [2022-11-03 01:50:41,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:50:41,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:50:41,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:50:41,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:50:41,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:50:41,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:50:41" (1/1) ... [2022-11-03 01:50:41,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23513cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:41, skipping insertion in model container [2022-11-03 01:50:41,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:50:41" (1/1) ... [2022-11-03 01:50:41,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:50:42,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:50:51,181 WARN L230 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_5cdc55ce-48aa-45db-9c9f-e058eb449c84/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i[904444,904457] [2022-11-03 01:50:51,184 WARN L230 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_5cdc55ce-48aa-45db-9c9f-e058eb449c84/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i[904610,904623] [2022-11-03 01:50:51,185 WARN L230 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_5cdc55ce-48aa-45db-9c9f-e058eb449c84/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i[904774,904787] [2022-11-03 01:50:51,185 WARN L230 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_5cdc55ce-48aa-45db-9c9f-e058eb449c84/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i[904939,904952] [2022-11-03 01:50:51,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:50:51,335 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:50:52,541 WARN L230 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_5cdc55ce-48aa-45db-9c9f-e058eb449c84/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i[904444,904457] [2022-11-03 01:50:52,542 WARN L230 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_5cdc55ce-48aa-45db-9c9f-e058eb449c84/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i[904610,904623] [2022-11-03 01:50:52,542 WARN L230 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_5cdc55ce-48aa-45db-9c9f-e058eb449c84/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i[904774,904787] [2022-11-03 01:50:52,543 WARN L230 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_5cdc55ce-48aa-45db-9c9f-e058eb449c84/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i[904939,904952] [2022-11-03 01:50:52,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:50:53,054 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:50:53,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:53 WrapperNode [2022-11-03 01:50:53,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:50:53,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:50:53,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:50:53,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:50:53,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:53" (1/1) ... [2022-11-03 01:50:53,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:53" (1/1) ... [2022-11-03 01:50:54,352 INFO L138 Inliner]: procedures = 730, calls = 16220, calls flagged for inlining = 402, calls inlined = 349, statements flattened = 28817 [2022-11-03 01:50:54,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:50:54,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:50:54,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:50:54,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:50:54,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:53" (1/1) ... [2022-11-03 01:50:54,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:53" (1/1) ... [2022-11-03 01:50:54,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:53" (1/1) ... [2022-11-03 01:50:54,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:53" (1/1) ... [2022-11-03 01:50:55,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:53" (1/1) ... [2022-11-03 01:50:55,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:53" (1/1) ... [2022-11-03 01:50:55,309 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:53" (1/1) ... [2022-11-03 01:50:55,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:53" (1/1) ... [2022-11-03 01:50:55,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:50:55,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:50:55,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:50:55,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:50:55,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:53" (1/1) ... [2022-11-03 01:50:55,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:50:55,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:50:55,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:50:55,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:50:55,780 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 01:50:55,780 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 01:50:55,780 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2022-11-03 01:50:55,781 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2022-11-03 01:50:55,781 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-03 01:50:55,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-03 01:50:55,781 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2022-11-03 01:50:55,781 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2022-11-03 01:50:55,781 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2022-11-03 01:50:55,781 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2022-11-03 01:50:55,782 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-03 01:50:55,782 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-03 01:50:55,782 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-03 01:50:55,782 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-03 01:50:55,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 01:50:55,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 01:50:55,783 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2022-11-03 01:50:55,783 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2022-11-03 01:50:55,783 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-03 01:50:55,783 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-03 01:50:55,783 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 01:50:55,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 01:50:55,783 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-03 01:50:55,784 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-03 01:50:55,784 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2022-11-03 01:50:55,784 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2022-11-03 01:50:55,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:50:55,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:50:55,784 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2022-11-03 01:50:55,784 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2022-11-03 01:50:55,785 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2022-11-03 01:50:55,785 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2022-11-03 01:50:55,785 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2022-11-03 01:50:55,785 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2022-11-03 01:50:55,785 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 01:50:55,785 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 01:50:55,786 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-03 01:50:55,786 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-03 01:50:55,786 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-03 01:50:55,786 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-03 01:50:55,786 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2022-11-03 01:50:55,786 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2022-11-03 01:50:55,786 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 01:50:55,787 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 01:50:55,787 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2022-11-03 01:50:55,787 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2022-11-03 01:50:55,787 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 01:50:55,787 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 01:50:55,787 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 01:50:55,787 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 01:50:55,788 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2022-11-03 01:50:55,788 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2022-11-03 01:50:55,788 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2022-11-03 01:50:55,788 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2022-11-03 01:50:55,788 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-03 01:50:55,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-03 01:50:55,788 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2022-11-03 01:50:55,789 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2022-11-03 01:50:55,789 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2022-11-03 01:50:55,789 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2022-11-03 01:50:55,789 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 01:50:55,789 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 01:50:55,789 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2022-11-03 01:50:55,789 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2022-11-03 01:50:55,790 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-03 01:50:55,790 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-03 01:50:55,790 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2022-11-03 01:50:55,790 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2022-11-03 01:50:55,790 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-11-03 01:50:55,790 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-11-03 01:50:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 01:50:55,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 01:50:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 01:50:55,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 01:50:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 01:50:55,791 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 01:50:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 01:50:55,791 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 01:50:55,792 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 01:50:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 01:50:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 01:50:55,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 01:50:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-03 01:50:55,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-03 01:50:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 01:50:55,809 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 01:50:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-03 01:50:55,809 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-03 01:50:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:50:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 01:50:55,809 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 01:50:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2022-11-03 01:50:55,810 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2022-11-03 01:50:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2022-11-03 01:50:55,810 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2022-11-03 01:50:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2022-11-03 01:50:55,810 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2022-11-03 01:50:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-11-03 01:50:55,811 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-11-03 01:50:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-03 01:50:55,811 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-03 01:50:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2022-11-03 01:50:55,812 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2022-11-03 01:50:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 01:50:55,812 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 01:50:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2022-11-03 01:50:55,812 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2022-11-03 01:50:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2022-11-03 01:50:55,812 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2022-11-03 01:50:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2022-11-03 01:50:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2022-11-03 01:50:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 01:50:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 01:50:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 01:50:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 01:50:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2022-11-03 01:50:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2022-11-03 01:50:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2022-11-03 01:50:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2022-11-03 01:50:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:50:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-03 01:50:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-03 01:50:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2022-11-03 01:50:55,814 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2022-11-03 01:50:55,815 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2022-11-03 01:50:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2022-11-03 01:50:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2022-11-03 01:50:55,828 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2022-11-03 01:50:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 01:50:55,829 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 01:50:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2022-11-03 01:50:55,829 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2022-11-03 01:50:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:50:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 01:50:55,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 01:50:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2022-11-03 01:50:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2022-11-03 01:50:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:50:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 01:50:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 01:50:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2022-11-03 01:50:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2022-11-03 01:50:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-03 01:50:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-03 01:50:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2022-11-03 01:50:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2022-11-03 01:50:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:50:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:50:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2022-11-03 01:50:55,831 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2022-11-03 01:50:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2022-11-03 01:50:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2022-11-03 01:50:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 01:50:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 01:50:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2022-11-03 01:50:55,832 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2022-11-03 01:50:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-03 01:50:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-03 01:50:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 01:50:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 01:50:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-03 01:50:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-03 01:50:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 01:50:55,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 01:50:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2022-11-03 01:50:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2022-11-03 01:50:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2022-11-03 01:50:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2022-11-03 01:50:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-03 01:50:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-03 01:50:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 01:50:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 01:50:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-03 01:50:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-03 01:50:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2022-11-03 01:50:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2022-11-03 01:50:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-03 01:50:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-03 01:50:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2022-11-03 01:50:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2022-11-03 01:50:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2022-11-03 01:50:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2022-11-03 01:50:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:50:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 01:50:55,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 01:50:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 01:50:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 01:50:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2022-11-03 01:50:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2022-11-03 01:50:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-03 01:50:55,837 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-03 01:50:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:50:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 01:50:55,838 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 01:50:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 01:50:55,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 01:50:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 01:50:55,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 01:50:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:50:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2022-11-03 01:50:55,839 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2022-11-03 01:50:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 01:50:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-03 01:50:55,839 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-03 01:50:55,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:50:55,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:50:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2022-11-03 01:50:55,840 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2022-11-03 01:50:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-03 01:50:55,840 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-03 01:50:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2022-11-03 01:50:55,840 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2022-11-03 01:50:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2022-11-03 01:50:55,841 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2022-11-03 01:50:55,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 01:50:55,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-03 01:50:55,841 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2022-11-03 01:50:55,841 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2022-11-03 01:50:55,841 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2022-11-03 01:50:55,841 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2022-11-03 01:50:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2022-11-03 01:50:55,842 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2022-11-03 01:50:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 01:50:55,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 01:50:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-03 01:50:55,842 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-03 01:50:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 01:50:55,842 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 01:50:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2022-11-03 01:50:55,843 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2022-11-03 01:50:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 01:50:55,843 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 01:50:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2022-11-03 01:50:55,843 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2022-11-03 01:50:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2022-11-03 01:50:55,844 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2022-11-03 01:50:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 01:50:55,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 01:50:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2022-11-03 01:50:55,844 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2022-11-03 01:50:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-03 01:50:55,844 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-03 01:50:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-03 01:50:55,845 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-03 01:50:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-03 01:50:55,845 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-03 01:50:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2022-11-03 01:50:55,845 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2022-11-03 01:50:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-03 01:50:55,845 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-03 01:50:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2022-11-03 01:50:55,846 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2022-11-03 01:50:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-03 01:50:55,846 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-03 01:50:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 01:50:55,846 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 01:50:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2022-11-03 01:50:55,846 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2022-11-03 01:50:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2022-11-03 01:50:55,847 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2022-11-03 01:50:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2022-11-03 01:50:55,847 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2022-11-03 01:50:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-03 01:50:55,847 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-03 01:50:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:50:55,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:50:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2022-11-03 01:50:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2022-11-03 01:50:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-03 01:50:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-03 01:50:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-03 01:50:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-03 01:50:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2022-11-03 01:50:55,848 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2022-11-03 01:50:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2022-11-03 01:50:55,849 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2022-11-03 01:50:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 01:50:55,849 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 01:50:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2022-11-03 01:50:55,849 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2022-11-03 01:50:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:50:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:50:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 01:50:55,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 01:50:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-03 01:50:55,850 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-03 01:50:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 01:50:55,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-03 01:50:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 01:50:55,851 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 01:50:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2022-11-03 01:50:55,851 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2022-11-03 01:50:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 01:50:55,851 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 01:50:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 01:50:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-03 01:50:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-03 01:50:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 01:50:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 01:50:55,876 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_resume [2022-11-03 01:50:55,876 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_resume [2022-11-03 01:50:55,876 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-03 01:50:55,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-03 01:50:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-03 01:50:55,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-03 01:50:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2022-11-03 01:50:55,877 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2022-11-03 01:50:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 01:50:55,877 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 01:50:55,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:50:55,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:50:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-03 01:50:55,878 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-03 01:50:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2022-11-03 01:50:55,878 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2022-11-03 01:50:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2022-11-03 01:50:55,878 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2022-11-03 01:50:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2022-11-03 01:50:55,879 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2022-11-03 01:50:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 01:50:55,879 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 01:50:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-11-03 01:50:55,879 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-11-03 01:50:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2022-11-03 01:50:55,880 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2022-11-03 01:50:55,880 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-03 01:50:55,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-03 01:50:55,880 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-03 01:50:55,880 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-03 01:50:55,880 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2022-11-03 01:50:55,880 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2022-11-03 01:50:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2022-11-03 01:50:55,881 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2022-11-03 01:50:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-03 01:50:55,881 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-03 01:50:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 01:50:55,881 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 01:50:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-03 01:50:55,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-03 01:50:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-03 01:50:55,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-03 01:50:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:50:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 01:50:55,882 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 01:50:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 01:50:55,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 01:50:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 01:50:55,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 01:50:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2022-11-03 01:50:55,883 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2022-11-03 01:50:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:50:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-03 01:50:55,883 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-03 01:50:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-03 01:50:55,884 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-03 01:50:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-03 01:50:55,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-03 01:50:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2022-11-03 01:50:55,884 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2022-11-03 01:50:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2022-11-03 01:50:55,885 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2022-11-03 01:50:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2022-11-03 01:50:55,885 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2022-11-03 01:50:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:50:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2022-11-03 01:50:55,885 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2022-11-03 01:50:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2022-11-03 01:50:55,886 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2022-11-03 01:50:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2022-11-03 01:50:55,886 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2022-11-03 01:50:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 01:50:55,886 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 01:50:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2022-11-03 01:50:55,886 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2022-11-03 01:50:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-03 01:50:55,887 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-03 01:50:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2022-11-03 01:50:55,887 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2022-11-03 01:50:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 01:50:55,887 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 01:50:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-03 01:50:55,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-03 01:50:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 01:50:55,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 01:50:55,888 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 01:50:55,888 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 01:50:55,888 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2022-11-03 01:50:55,888 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2022-11-03 01:50:55,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-03 01:50:55,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-03 01:50:55,888 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2022-11-03 01:50:55,889 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2022-11-03 01:50:55,889 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2022-11-03 01:50:55,889 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2022-11-03 01:50:55,889 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2022-11-03 01:50:55,889 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2022-11-03 01:50:55,889 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2022-11-03 01:50:55,889 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2022-11-03 01:50:55,889 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-03 01:50:55,889 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-03 01:50:55,890 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2022-11-03 01:50:55,890 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2022-11-03 01:50:55,890 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2022-11-03 01:50:55,890 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2022-11-03 01:50:55,890 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2022-11-03 01:50:55,890 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2022-11-03 01:50:55,890 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-03 01:50:55,890 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-03 01:50:55,891 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 01:50:55,891 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 01:50:55,891 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 01:50:55,904 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 01:50:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2022-11-03 01:50:55,904 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2022-11-03 01:50:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-03 01:50:55,905 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-03 01:50:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2022-11-03 01:50:55,905 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2022-11-03 01:50:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2022-11-03 01:50:55,905 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2022-11-03 01:50:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2022-11-03 01:50:55,905 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2022-11-03 01:50:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-03 01:50:55,906 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-03 01:50:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 01:50:55,906 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 01:50:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2022-11-03 01:50:55,906 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2022-11-03 01:50:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-03 01:50:55,907 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-03 01:50:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-03 01:50:55,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-03 01:50:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:50:55,907 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:50:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2022-11-03 01:50:55,907 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2022-11-03 01:50:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2022-11-03 01:50:55,908 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2022-11-03 01:50:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:50:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2022-11-03 01:50:55,908 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2022-11-03 01:50:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:50:55,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:50:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2022-11-03 01:50:55,909 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2022-11-03 01:50:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-03 01:50:55,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-03 01:50:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2022-11-03 01:50:55,909 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2022-11-03 01:50:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 01:50:55,909 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 01:50:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2022-11-03 01:50:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2022-11-03 01:50:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 01:50:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 01:50:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-03 01:50:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-03 01:50:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2022-11-03 01:50:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2022-11-03 01:50:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-03 01:50:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-03 01:50:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2022-11-03 01:50:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2022-11-03 01:50:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2022-11-03 01:50:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2022-11-03 01:50:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2022-11-03 01:50:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2022-11-03 01:50:55,912 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-03 01:50:55,912 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-03 01:50:55,912 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-03 01:50:55,912 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-03 01:50:55,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_17 [2022-11-03 01:50:55,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_17 [2022-11-03 01:50:55,912 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2022-11-03 01:50:55,912 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2022-11-03 01:50:55,913 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2022-11-03 01:50:55,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2022-11-03 01:50:55,913 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2022-11-03 01:50:55,913 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2022-11-03 01:50:55,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 01:50:55,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 01:50:55,913 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-03 01:50:55,913 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-03 01:50:55,913 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 01:50:55,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-03 01:50:55,914 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 01:50:55,914 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 01:50:55,914 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2022-11-03 01:50:55,914 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2022-11-03 01:50:55,914 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-03 01:50:55,914 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-03 01:50:55,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 01:50:55,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 01:50:55,915 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2022-11-03 01:50:55,915 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2022-11-03 01:50:55,915 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 01:50:55,915 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 01:50:55,915 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-03 01:50:55,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-03 01:50:55,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2022-11-03 01:50:55,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2022-11-03 01:50:55,916 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-03 01:50:55,916 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-03 01:50:55,916 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-03 01:50:55,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:50:55,916 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-03 01:50:55,916 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-03 01:50:55,916 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2022-11-03 01:50:55,916 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2022-11-03 01:50:55,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 01:50:55,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 01:50:55,917 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-03 01:50:58,357 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:50:58,368 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:50:59,825 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 01:52:03,385 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 01:52:03,784 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:52:12,480 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:52:12,480 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-03 01:52:12,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:52:12 BoogieIcfgContainer [2022-11-03 01:52:12,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:52:12,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:52:12,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:52:12,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:52:12,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:50:41" (1/3) ... [2022-11-03 01:52:12,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e08e811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:52:12, skipping insertion in model container [2022-11-03 01:52:12,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:53" (2/3) ... [2022-11-03 01:52:12,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e08e811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:52:12, skipping insertion in model container [2022-11-03 01:52:12,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:52:12" (3/3) ... [2022-11-03 01:52:12,498 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-03 01:52:12,518 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:52:12,518 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:52:12,677 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:52:12,684 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=FINITE_AUTOMATA, 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;@5ecfd101, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:52:12,684 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:52:12,708 INFO L276 IsEmpty]: Start isEmpty. Operand has 6724 states, 4307 states have (on average 1.3420013930810308) internal successors, (5780), 4399 states have internal predecessors, (5780), 2173 states have call successors, (2173), 246 states have call predecessors, (2173), 245 states have return successors, (2167), 2159 states have call predecessors, (2167), 2167 states have call successors, (2167) [2022-11-03 01:52:12,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-11-03 01:52:12,734 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:52:12,734 INFO L195 NwaCegarLoop]: trace histogram [24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:52:12,735 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:52:12,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:52:12,741 INFO L85 PathProgramCache]: Analyzing trace with hash 2057095721, now seen corresponding path program 1 times [2022-11-03 01:52:12,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:52:12,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167438751] [2022-11-03 01:52:12,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:52:12,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:52:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:52:15,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2070 trivial. 0 not checked. [2022-11-03 01:52:15,476 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:52:15,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167438751] [2022-11-03 01:52:15,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167438751] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:52:15,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:52:15,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:52:15,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057855482] [2022-11-03 01:52:15,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:52:15,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:52:15,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:52:15,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:52:15,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:52:15,542 INFO L87 Difference]: Start difference. First operand has 6724 states, 4307 states have (on average 1.3420013930810308) internal successors, (5780), 4399 states have internal predecessors, (5780), 2173 states have call successors, (2173), 246 states have call predecessors, (2173), 245 states have return successors, (2167), 2159 states have call predecessors, (2167), 2167 states have call successors, (2167) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-03 01:52:22,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:25,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:31,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:34,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:39,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:42,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:44,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:46,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:49,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:51,542 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 [] [2022-11-03 01:52:51,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:52:51,830 INFO L93 Difference]: Finished difference Result 19752 states and 29809 transitions. [2022-11-03 01:52:51,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:52:51,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 251 [2022-11-03 01:52:51,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:52:51,993 INFO L225 Difference]: With dead ends: 19752 [2022-11-03 01:52:51,993 INFO L226 Difference]: Without dead ends: 13065 [2022-11-03 01:52:52,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:52:52,077 INFO L413 NwaCegarLoop]: 11285 mSDtfsCounter, 9574 mSDsluCounter, 10049 mSDsCounter, 0 mSdLazyCounter, 1755 mSolverCounterSat, 7 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9577 SdHoareTripleChecker+Valid, 20475 SdHoareTripleChecker+Invalid, 1769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1755 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:52:52,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9577 Valid, 20475 Invalid, 1769 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1755 Invalid, 7 Unknown, 0 Unchecked, 35.3s Time] [2022-11-03 01:52:52,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13065 states. [2022-11-03 01:52:53,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13065 to 13027. [2022-11-03 01:52:53,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13027 states, 8341 states have (on average 1.3403668624865124) internal successors, (11180), 8523 states have internal predecessors, (11180), 4205 states have call successors, (4205), 481 states have call predecessors, (4205), 480 states have return successors, (4204), 4183 states have call predecessors, (4204), 4201 states have call successors, (4204) [2022-11-03 01:52:53,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13027 states to 13027 states and 19589 transitions. [2022-11-03 01:52:53,546 INFO L78 Accepts]: Start accepts. Automaton has 13027 states and 19589 transitions. Word has length 251 [2022-11-03 01:52:53,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:52:53,552 INFO L495 AbstractCegarLoop]: Abstraction has 13027 states and 19589 transitions. [2022-11-03 01:52:53,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-03 01:52:53,553 INFO L276 IsEmpty]: Start isEmpty. Operand 13027 states and 19589 transitions. [2022-11-03 01:52:53,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-11-03 01:52:53,576 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:52:53,577 INFO L195 NwaCegarLoop]: trace histogram [27, 23, 23, 23, 23, 23, 23, 4, 4, 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] [2022-11-03 01:52:53,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:52:53,578 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:52:53,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:52:53,579 INFO L85 PathProgramCache]: Analyzing trace with hash -287070739, now seen corresponding path program 1 times [2022-11-03 01:52:53,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:52:53,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031175921] [2022-11-03 01:52:53,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:52:53,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:52:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:52:57,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2247 trivial. 0 not checked. [2022-11-03 01:52:57,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:52:57,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031175921] [2022-11-03 01:52:57,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031175921] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:52:57,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:52:57,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:52:57,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508267343] [2022-11-03 01:52:57,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:52:57,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:52:57,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:52:57,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:52:57,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:52:57,950 INFO L87 Difference]: Start difference. First operand 13027 states and 19589 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-03 01:53:11,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:13,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:21,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:23,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:25,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:30,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:32,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:34,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:36,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:39,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:44,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:47,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:52,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:55,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:57,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:59,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:01,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:02,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:02,136 INFO L93 Difference]: Finished difference Result 19532 states and 29350 transitions. [2022-11-03 01:54:02,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:54:02,137 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 293 [2022-11-03 01:54:02,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:02,299 INFO L225 Difference]: With dead ends: 19532 [2022-11-03 01:54:02,300 INFO L226 Difference]: Without dead ends: 19530 [2022-11-03 01:54:02,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:54:02,315 INFO L413 NwaCegarLoop]: 11300 mSDtfsCounter, 9751 mSDsluCounter, 34353 mSDsCounter, 0 mSdLazyCounter, 3492 mSolverCounterSat, 2 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9754 SdHoareTripleChecker+Valid, 43034 SdHoareTripleChecker+Invalid, 3507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3492 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:02,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9754 Valid, 43034 Invalid, 3507 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3492 Invalid, 13 Unknown, 0 Unchecked, 63.1s Time] [2022-11-03 01:54:02,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19530 states. [2022-11-03 01:54:03,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19530 to 19522. [2022-11-03 01:54:03,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19522 states, 12486 states have (on average 1.339900688771424) internal successors, (16730), 12760 states have internal predecessors, (16730), 6307 states have call successors, (6307), 730 states have call predecessors, (6307), 728 states have return successors, (6303), 6272 states have call predecessors, (6303), 6299 states have call successors, (6303) [2022-11-03 01:54:03,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19522 states to 19522 states and 29340 transitions. [2022-11-03 01:54:03,986 INFO L78 Accepts]: Start accepts. Automaton has 19522 states and 29340 transitions. Word has length 293 [2022-11-03 01:54:03,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:03,988 INFO L495 AbstractCegarLoop]: Abstraction has 19522 states and 29340 transitions. [2022-11-03 01:54:03,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-03 01:54:03,989 INFO L276 IsEmpty]: Start isEmpty. Operand 19522 states and 29340 transitions. [2022-11-03 01:54:04,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-11-03 01:54:04,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:04,005 INFO L195 NwaCegarLoop]: trace histogram [27, 23, 23, 23, 23, 23, 23, 5, 5, 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] [2022-11-03 01:54:04,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:54:04,006 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:04,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:04,006 INFO L85 PathProgramCache]: Analyzing trace with hash -588585746, now seen corresponding path program 1 times [2022-11-03 01:54:04,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:04,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876667258] [2022-11-03 01:54:04,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:04,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:07,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2257 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2255 trivial. 0 not checked. [2022-11-03 01:54:07,891 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:07,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876667258] [2022-11-03 01:54:07,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876667258] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:07,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:07,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:54:07,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835309839] [2022-11-03 01:54:07,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:07,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:54:07,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:07,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:54:07,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:54:07,894 INFO L87 Difference]: Start difference. First operand 19522 states and 29340 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-03 01:54:13,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:22,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:26,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:30,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:34,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:38,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:40,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:42,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:44,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:46,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:48,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:51,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:56,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:58,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:59,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:59,168 INFO L93 Difference]: Finished difference Result 31808 states and 47765 transitions. [2022-11-03 01:54:59,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:54:59,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 302 [2022-11-03 01:54:59,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:59,436 INFO L225 Difference]: With dead ends: 31808 [2022-11-03 01:54:59,437 INFO L226 Difference]: Without dead ends: 31804 [2022-11-03 01:54:59,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:54:59,488 INFO L413 NwaCegarLoop]: 11237 mSDtfsCounter, 9236 mSDsluCounter, 34216 mSDsCounter, 0 mSdLazyCounter, 3494 mSolverCounterSat, 2 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9240 SdHoareTripleChecker+Valid, 42839 SdHoareTripleChecker+Invalid, 3508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3494 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:59,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9240 Valid, 42839 Invalid, 3508 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3494 Invalid, 12 Unknown, 0 Unchecked, 50.0s Time] [2022-11-03 01:54:59,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31804 states. [2022-11-03 01:55:02,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31804 to 31785. [2022-11-03 01:55:02,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31785 states, 20261 states have (on average 1.33719954592567) internal successors, (27093), 20717 states have internal predecessors, (27093), 10322 states have call successors, (10322), 1205 states have call predecessors, (10322), 1201 states have return successors, (10320), 10263 states have call predecessors, (10320), 10310 states have call successors, (10320) [2022-11-03 01:55:02,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31785 states to 31785 states and 47735 transitions. [2022-11-03 01:55:02,478 INFO L78 Accepts]: Start accepts. Automaton has 31785 states and 47735 transitions. Word has length 302 [2022-11-03 01:55:02,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:55:02,483 INFO L495 AbstractCegarLoop]: Abstraction has 31785 states and 47735 transitions. [2022-11-03 01:55:02,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-03 01:55:02,484 INFO L276 IsEmpty]: Start isEmpty. Operand 31785 states and 47735 transitions. [2022-11-03 01:55:02,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-11-03 01:55:02,498 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:55:02,498 INFO L195 NwaCegarLoop]: trace histogram [27, 23, 23, 23, 23, 23, 23, 5, 5, 3, 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] [2022-11-03 01:55:02,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:55:02,498 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:55:02,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:55:02,499 INFO L85 PathProgramCache]: Analyzing trace with hash 496440893, now seen corresponding path program 1 times [2022-11-03 01:55:02,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:55:02,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676357363] [2022-11-03 01:55:02,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:55:02,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:55:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:55:06,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2262 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2258 trivial. 0 not checked. [2022-11-03 01:55:06,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:55:06,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676357363] [2022-11-03 01:55:06,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676357363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:55:06,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:55:06,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:55:06,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834625689] [2022-11-03 01:55:06,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:55:06,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:55:06,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:55:06,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:55:06,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:55:06,253 INFO L87 Difference]: Start difference. First operand 31785 states and 47735 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-03 01:55:18,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:20,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:22,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:28,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:31,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:34,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:36,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:37,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:40,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:42,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:44,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:46,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:54,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:56,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:58,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:01,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:04,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:07,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:08,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:56:08,084 INFO L93 Difference]: Finished difference Result 38211 states and 57377 transitions. [2022-11-03 01:56:08,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:56:08,085 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 306 [2022-11-03 01:56:08,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:56:08,382 INFO L225 Difference]: With dead ends: 38211 [2022-11-03 01:56:08,382 INFO L226 Difference]: Without dead ends: 38177 [2022-11-03 01:56:08,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:56:08,428 INFO L413 NwaCegarLoop]: 11281 mSDtfsCounter, 9619 mSDsluCounter, 34297 mSDsCounter, 0 mSdLazyCounter, 3475 mSolverCounterSat, 2 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9622 SdHoareTripleChecker+Valid, 42971 SdHoareTripleChecker+Invalid, 3492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3475 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:56:08,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9622 Valid, 42971 Invalid, 3492 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3475 Invalid, 15 Unknown, 0 Unchecked, 60.4s Time] [2022-11-03 01:56:08,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38177 states. [2022-11-03 01:56:11,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38177 to 38137. [2022-11-03 01:56:11,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38137 states, 24324 states have (on average 1.3376911692155895) internal successors, (32538), 24870 states have internal predecessors, (32538), 12373 states have call successors, (12373), 1443 states have call predecessors, (12373), 1439 states have return successors, (12374), 12304 states have call predecessors, (12374), 12361 states have call successors, (12374) [2022-11-03 01:56:11,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38137 states to 38137 states and 57285 transitions. [2022-11-03 01:56:11,931 INFO L78 Accepts]: Start accepts. Automaton has 38137 states and 57285 transitions. Word has length 306 [2022-11-03 01:56:11,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:56:11,932 INFO L495 AbstractCegarLoop]: Abstraction has 38137 states and 57285 transitions. [2022-11-03 01:56:11,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-03 01:56:11,933 INFO L276 IsEmpty]: Start isEmpty. Operand 38137 states and 57285 transitions. [2022-11-03 01:56:12,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2022-11-03 01:56:12,055 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:56:12,056 INFO L195 NwaCegarLoop]: trace histogram [28, 23, 23, 23, 23, 23, 23, 5, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:56:12,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:56:12,057 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:56:12,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:56:12,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1768887246, now seen corresponding path program 1 times [2022-11-03 01:56:12,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:56:12,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982786177] [2022-11-03 01:56:12,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:56:12,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:56:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:56:14,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2371 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2361 trivial. 0 not checked. [2022-11-03 01:56:14,105 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:56:14,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982786177] [2022-11-03 01:56:14,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982786177] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:56:14,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:56:14,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:56:14,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652103133] [2022-11-03 01:56:14,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:56:14,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:56:14,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:56:14,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:56:14,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:56:14,110 INFO L87 Difference]: Start difference. First operand 38137 states and 57285 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-03 01:56:18,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:23,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:34,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:36,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:38,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:41,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:44,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:49,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:51,393 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 [] [2022-11-03 01:56:52,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:56:52,153 INFO L93 Difference]: Finished difference Result 89777 states and 134429 transitions. [2022-11-03 01:56:52,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:56:52,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 465 [2022-11-03 01:56:52,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:56:52,514 INFO L225 Difference]: With dead ends: 89777 [2022-11-03 01:56:52,514 INFO L226 Difference]: Without dead ends: 51687 [2022-11-03 01:56:52,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:56:52,788 INFO L413 NwaCegarLoop]: 12834 mSDtfsCounter, 6393 mSDsluCounter, 9910 mSDsCounter, 0 mSdLazyCounter, 1922 mSolverCounterSat, 7 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6395 SdHoareTripleChecker+Valid, 21941 SdHoareTripleChecker+Invalid, 1937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1922 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:56:52,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6395 Valid, 21941 Invalid, 1937 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1922 Invalid, 8 Unknown, 0 Unchecked, 35.6s Time] [2022-11-03 01:56:52,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51687 states. [2022-11-03 01:56:56,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51687 to 51622. [2022-11-03 01:56:56,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51622 states, 32837 states have (on average 1.3308767548801657) internal successors, (43702), 33528 states have internal predecessors, (43702), 16696 states have call successors, (16696), 2096 states have call predecessors, (16696), 2088 states have return successors, (16703), 16618 states have call predecessors, (16703), 16684 states have call successors, (16703) [2022-11-03 01:56:56,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51622 states to 51622 states and 77101 transitions. [2022-11-03 01:56:56,886 INFO L78 Accepts]: Start accepts. Automaton has 51622 states and 77101 transitions. Word has length 465 [2022-11-03 01:56:56,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:56:56,889 INFO L495 AbstractCegarLoop]: Abstraction has 51622 states and 77101 transitions. [2022-11-03 01:56:56,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-03 01:56:56,890 INFO L276 IsEmpty]: Start isEmpty. Operand 51622 states and 77101 transitions. [2022-11-03 01:56:56,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2022-11-03 01:56:56,943 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:56:56,944 INFO L195 NwaCegarLoop]: trace histogram [32, 25, 25, 25, 25, 25, 25, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:56:56,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:56:56,944 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:56:56,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:56:56,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1806534283, now seen corresponding path program 1 times [2022-11-03 01:56:56,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:56:56,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368615155] [2022-11-03 01:56:56,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:56:56,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:56:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:56:59,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2919 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2909 trivial. 0 not checked. [2022-11-03 01:56:59,044 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:56:59,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368615155] [2022-11-03 01:56:59,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368615155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:56:59,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:56:59,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:56:59,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545836189] [2022-11-03 01:56:59,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:56:59,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:56:59,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:56:59,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:56:59,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:56:59,049 INFO L87 Difference]: Start difference. First operand 51622 states and 77101 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-03 01:57:03,513 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 [] [2022-11-03 01:57:12,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:19,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:22,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:24,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:27,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:29,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:32,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:37,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:38,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:57:38,210 INFO L93 Difference]: Finished difference Result 105851 states and 158225 transitions. [2022-11-03 01:57:38,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:57:38,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 462 [2022-11-03 01:57:38,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:57:38,565 INFO L225 Difference]: With dead ends: 105851 [2022-11-03 01:57:38,565 INFO L226 Difference]: Without dead ends: 54294 [2022-11-03 01:57:39,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:57:39,045 INFO L413 NwaCegarLoop]: 16057 mSDtfsCounter, 8422 mSDsluCounter, 10013 mSDsCounter, 0 mSdLazyCounter, 2417 mSolverCounterSat, 18 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8425 SdHoareTripleChecker+Valid, 25218 SdHoareTripleChecker+Invalid, 2442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 2417 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:57:39,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8425 Valid, 25218 Invalid, 2442 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 2417 Invalid, 7 Unknown, 0 Unchecked, 36.3s Time] [2022-11-03 01:57:39,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54294 states. [2022-11-03 01:57:42,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54294 to 54246. [2022-11-03 01:57:42,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54246 states, 34588 states have (on average 1.3301144905747657) internal successors, (46006), 35337 states have internal predecessors, (46006), 17510 states have call successors, (17510), 2160 states have call predecessors, (17510), 2147 states have return successors, (17519), 17390 states have call predecessors, (17519), 17498 states have call successors, (17519) [2022-11-03 01:57:43,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54246 states to 54246 states and 81035 transitions. [2022-11-03 01:57:43,144 INFO L78 Accepts]: Start accepts. Automaton has 54246 states and 81035 transitions. Word has length 462 [2022-11-03 01:57:43,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:57:43,145 INFO L495 AbstractCegarLoop]: Abstraction has 54246 states and 81035 transitions. [2022-11-03 01:57:43,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-03 01:57:43,146 INFO L276 IsEmpty]: Start isEmpty. Operand 54246 states and 81035 transitions. [2022-11-03 01:57:43,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2022-11-03 01:57:43,167 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:57:43,168 INFO L195 NwaCegarLoop]: trace histogram [32, 25, 25, 25, 25, 25, 25, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:57:43,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 01:57:43,168 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:57:43,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:57:43,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1333377365, now seen corresponding path program 1 times [2022-11-03 01:57:43,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:57:43,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54517697] [2022-11-03 01:57:43,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:57:43,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:57:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:57:44,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2923 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2906 trivial. 0 not checked. [2022-11-03 01:57:44,886 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:57:44,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54517697] [2022-11-03 01:57:44,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54517697] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:57:44,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:57:44,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:57:44,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523208800] [2022-11-03 01:57:44,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:57:44,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:57:44,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:57:44,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:57:44,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:57:44,889 INFO L87 Difference]: Start difference. First operand 54246 states and 81035 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-03 01:57:49,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:53,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:01,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:08,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:10,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:13,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:15,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:17,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:21,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:25,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:27,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:58:27,588 INFO L93 Difference]: Finished difference Result 125796 states and 188046 transitions. [2022-11-03 01:58:27,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:58:27,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 463 [2022-11-03 01:58:27,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:58:28,069 INFO L225 Difference]: With dead ends: 125796 [2022-11-03 01:58:28,069 INFO L226 Difference]: Without dead ends: 71691 [2022-11-03 01:58:28,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:58:28,562 INFO L413 NwaCegarLoop]: 16926 mSDtfsCounter, 8437 mSDsluCounter, 10011 mSDsCounter, 0 mSdLazyCounter, 2492 mSolverCounterSat, 15 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8438 SdHoareTripleChecker+Valid, 26085 SdHoareTripleChecker+Invalid, 2516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2492 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:58:28,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8438 Valid, 26085 Invalid, 2516 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 2492 Invalid, 9 Unknown, 0 Unchecked, 39.4s Time] [2022-11-03 01:58:28,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71691 states. [2022-11-03 01:58:32,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71691 to 71640. [2022-11-03 01:58:32,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71640 states, 45716 states have (on average 1.3297095108933414) internal successors, (60789), 46721 states have internal predecessors, (60789), 23117 states have call successors, (23117), 2825 states have call predecessors, (23117), 2806 states have return successors, (23131), 22936 states have call predecessors, (23131), 23105 states have call successors, (23131) [2022-11-03 01:58:33,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71640 states to 71640 states and 107037 transitions. [2022-11-03 01:58:33,536 INFO L78 Accepts]: Start accepts. Automaton has 71640 states and 107037 transitions. Word has length 463 [2022-11-03 01:58:33,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:58:33,538 INFO L495 AbstractCegarLoop]: Abstraction has 71640 states and 107037 transitions. [2022-11-03 01:58:33,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-03 01:58:33,538 INFO L276 IsEmpty]: Start isEmpty. Operand 71640 states and 107037 transitions. [2022-11-03 01:58:33,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2022-11-03 01:58:33,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:58:33,551 INFO L195 NwaCegarLoop]: trace histogram [34, 25, 25, 25, 25, 25, 25, 14, 14, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:58:33,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 01:58:33,552 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:58:33,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:58:33,553 INFO L85 PathProgramCache]: Analyzing trace with hash -2049271032, now seen corresponding path program 1 times [2022-11-03 01:58:33,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:58:33,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949144451] [2022-11-03 01:58:33,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:58:33,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:58:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:58:39,606 INFO L134 CoverageAnalysis]: Checked inductivity of 3254 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2022-11-03 01:58:39,606 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:58:39,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949144451] [2022-11-03 01:58:39,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949144451] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:58:39,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:58:39,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 01:58:39,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688967244] [2022-11-03 01:58:39,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:58:39,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 01:58:39,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:58:39,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 01:58:39,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:58:39,610 INFO L87 Difference]: Start difference. First operand 71640 states and 107037 transitions. Second operand has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 2 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2022-11-03 01:58:44,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:46,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:48,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:02,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:09,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:11,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:13,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:15,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:17,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:20,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:23,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:27,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:32,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:34,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:36,708 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 [] [2022-11-03 01:59:39,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:59:39,568 INFO L93 Difference]: Finished difference Result 169109 states and 255233 transitions. [2022-11-03 01:59:39,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:59:39,569 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 2 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 529 [2022-11-03 01:59:39,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:59:40,369 INFO L225 Difference]: With dead ends: 169109 [2022-11-03 01:59:40,370 INFO L226 Difference]: Without dead ends: 97610 [2022-11-03 01:59:40,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:59:40,733 INFO L413 NwaCegarLoop]: 11695 mSDtfsCounter, 3649 mSDsluCounter, 22907 mSDsCounter, 0 mSdLazyCounter, 3175 mSolverCounterSat, 994 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4153 SdHoareTripleChecker+Valid, 32591 SdHoareTripleChecker+Invalid, 4180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 994 IncrementalHoareTripleChecker+Valid, 3175 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:59:40,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4153 Valid, 32591 Invalid, 4180 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [994 Valid, 3175 Invalid, 11 Unknown, 0 Unchecked, 55.1s Time] [2022-11-03 01:59:40,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97610 states. [2022-11-03 01:59:48,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97610 to 71654. [2022-11-03 01:59:48,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71654 states, 45730 states have (on average 1.3296085720533566) internal successors, (60803), 46735 states have internal predecessors, (60803), 23117 states have call successors, (23117), 2825 states have call predecessors, (23117), 2806 states have return successors, (23131), 22936 states have call predecessors, (23131), 23105 states have call successors, (23131) [2022-11-03 01:59:48,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71654 states to 71654 states and 107051 transitions. [2022-11-03 01:59:49,002 INFO L78 Accepts]: Start accepts. Automaton has 71654 states and 107051 transitions. Word has length 529 [2022-11-03 01:59:49,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:59:49,003 INFO L495 AbstractCegarLoop]: Abstraction has 71654 states and 107051 transitions. [2022-11-03 01:59:49,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 2 states have call successors, (69), 2 states have call predecessors, (69), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2022-11-03 01:59:49,003 INFO L276 IsEmpty]: Start isEmpty. Operand 71654 states and 107051 transitions. [2022-11-03 01:59:49,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2022-11-03 01:59:49,014 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:59:49,014 INFO L195 NwaCegarLoop]: trace histogram [34, 25, 25, 25, 25, 25, 25, 16, 16, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:59:49,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 01:59:49,015 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:59:49,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:59:49,016 INFO L85 PathProgramCache]: Analyzing trace with hash 481753489, now seen corresponding path program 1 times [2022-11-03 01:59:49,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:59:49,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866606056] [2022-11-03 01:59:49,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:59:49,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:59:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:59:53,908 INFO L134 CoverageAnalysis]: Checked inductivity of 3361 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3359 trivial. 0 not checked. [2022-11-03 01:59:53,908 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:59:53,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866606056] [2022-11-03 01:59:53,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866606056] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:59:53,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:59:53,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:59:53,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418443251] [2022-11-03 01:59:53,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:59:53,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:59:53,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:59:53,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:59:53,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:59:53,912 INFO L87 Difference]: Start difference. First operand 71654 states and 107051 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (69), 3 states have call predecessors, (69), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2022-11-03 01:59:59,327 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 [] [2022-11-03 02:00:14,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:16,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:18,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:20,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:23,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:25,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:30,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:33,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:39,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:42,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:45,063 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 [] [2022-11-03 02:00:46,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:00:46,350 INFO L93 Difference]: Finished difference Result 71694 states and 107101 transitions. [2022-11-03 02:00:46,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:00:46,351 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (69), 3 states have call predecessors, (69), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 546 [2022-11-03 02:00:46,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:00:46,701 INFO L225 Difference]: With dead ends: 71694 [2022-11-03 02:00:46,701 INFO L226 Difference]: Without dead ends: 71635 [2022-11-03 02:00:46,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:00:46,740 INFO L413 NwaCegarLoop]: 11279 mSDtfsCounter, 9523 mSDsluCounter, 34287 mSDsCounter, 0 mSdLazyCounter, 3473 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9526 SdHoareTripleChecker+Valid, 42967 SdHoareTripleChecker+Invalid, 3483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3473 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:00:46,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9526 Valid, 42967 Invalid, 3483 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3473 Invalid, 8 Unknown, 0 Unchecked, 49.7s Time] [2022-11-03 02:00:46,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71635 states. [2022-11-03 02:00:51,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71635 to 71597. [2022-11-03 02:00:51,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71597 states, 45717 states have (on average 1.3293085723035194) internal successors, (60772), 46705 states have internal predecessors, (60772), 23076 states have call successors, (23076), 2816 states have call predecessors, (23076), 2803 states have return successors, (23094), 22918 states have call predecessors, (23094), 23068 states have call successors, (23094) [2022-11-03 02:00:51,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71597 states to 71597 states and 106942 transitions. [2022-11-03 02:00:51,963 INFO L78 Accepts]: Start accepts. Automaton has 71597 states and 106942 transitions. Word has length 546 [2022-11-03 02:00:51,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:00:51,964 INFO L495 AbstractCegarLoop]: Abstraction has 71597 states and 106942 transitions. [2022-11-03 02:00:51,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (69), 3 states have call predecessors, (69), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2022-11-03 02:00:51,964 INFO L276 IsEmpty]: Start isEmpty. Operand 71597 states and 106942 transitions. [2022-11-03 02:00:52,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 896 [2022-11-03 02:00:52,148 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:00:52,148 INFO L195 NwaCegarLoop]: trace histogram [34, 25, 25, 25, 25, 25, 25, 15, 15, 14, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:00:52,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 02:00:52,149 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:00:52,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:00:52,150 INFO L85 PathProgramCache]: Analyzing trace with hash 609545324, now seen corresponding path program 1 times [2022-11-03 02:00:52,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:00:52,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781750577] [2022-11-03 02:00:52,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:00:52,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:00:52,857 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:00:52,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1197058313] [2022-11-03 02:00:52,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:00:52,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:00:52,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:00:52,858 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:00:52,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:00:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:00:59,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 23111 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:00:59,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:00:59,732 INFO L134 CoverageAnalysis]: Checked inductivity of 3608 backedges. 330 proven. 0 refuted. 0 times theorem prover too weak. 3278 trivial. 0 not checked. [2022-11-03 02:00:59,732 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:00:59,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:00:59,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781750577] [2022-11-03 02:00:59,733 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:00:59,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197058313] [2022-11-03 02:00:59,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197058313] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:00:59,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:00:59,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:00:59,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652541557] [2022-11-03 02:00:59,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:00:59,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:00:59,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:00:59,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:00:59,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:00:59,737 INFO L87 Difference]: Start difference. First operand 71597 states and 106942 transitions. Second operand has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 3 states have call successors, (129), 2 states have call predecessors, (129), 2 states have return successors, (127), 3 states have call predecessors, (127), 3 states have call successors, (127) [2022-11-03 02:01:03,915 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 [] [2022-11-03 02:01:15,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:17,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:19,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:21,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:24,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:29,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:32,136 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 [] [2022-11-03 02:01:33,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:01:33,527 INFO L93 Difference]: Finished difference Result 98230 states and 147189 transitions. [2022-11-03 02:01:33,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:01:33,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 3 states have call successors, (129), 2 states have call predecessors, (129), 2 states have return successors, (127), 3 states have call predecessors, (127), 3 states have call successors, (127) Word has length 895 [2022-11-03 02:01:33,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:01:33,924 INFO L225 Difference]: With dead ends: 98230 [2022-11-03 02:01:33,925 INFO L226 Difference]: Without dead ends: 75755 [2022-11-03 02:01:34,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 894 GetRequests, 893 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:01:34,207 INFO L413 NwaCegarLoop]: 11098 mSDtfsCounter, 1180 mSDsluCounter, 10553 mSDsCounter, 0 mSdLazyCounter, 2006 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1675 SdHoareTripleChecker+Valid, 20787 SdHoareTripleChecker+Invalid, 2014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2006 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:01:34,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1675 Valid, 20787 Invalid, 2014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2006 Invalid, 7 Unknown, 0 Unchecked, 30.9s Time] [2022-11-03 02:01:34,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75755 states. [2022-11-03 02:01:38,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75755 to 71602. [2022-11-03 02:01:38,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71602 states, 45721 states have (on average 1.3293016338225323) internal successors, (60777), 46709 states have internal predecessors, (60777), 23077 states have call successors, (23077), 2816 states have call predecessors, (23077), 2803 states have return successors, (23095), 22919 states have call predecessors, (23095), 23069 states have call successors, (23095) [2022-11-03 02:01:39,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71602 states to 71602 states and 106949 transitions. [2022-11-03 02:01:39,648 INFO L78 Accepts]: Start accepts. Automaton has 71602 states and 106949 transitions. Word has length 895 [2022-11-03 02:01:39,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:01:39,649 INFO L495 AbstractCegarLoop]: Abstraction has 71602 states and 106949 transitions. [2022-11-03 02:01:39,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 3 states have call successors, (129), 2 states have call predecessors, (129), 2 states have return successors, (127), 3 states have call predecessors, (127), 3 states have call successors, (127) [2022-11-03 02:01:39,650 INFO L276 IsEmpty]: Start isEmpty. Operand 71602 states and 106949 transitions. [2022-11-03 02:01:39,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 940 [2022-11-03 02:01:39,891 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:01:39,892 INFO L195 NwaCegarLoop]: trace histogram [34, 25, 25, 25, 25, 25, 25, 17, 15, 15, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:01:39,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-03 02:01:40,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:01:40,109 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:01:40,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:01:40,109 INFO L85 PathProgramCache]: Analyzing trace with hash 924041083, now seen corresponding path program 1 times [2022-11-03 02:01:40,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:01:40,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409913015] [2022-11-03 02:01:40,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:01:40,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:01:40,732 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:01:40,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1260652096] [2022-11-03 02:01:40,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:01:40,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:01:40,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:01:40,734 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:01:40,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdc55ce-48aa-45db-9c9f-e058eb449c84/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process