./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_508e2dff-2a36-4610-9ae3-31a6d32d51b4/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508e2dff-2a36-4610-9ae3-31a6d32d51b4/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508e2dff-2a36-4610-9ae3-31a6d32d51b4/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508e2dff-2a36-4610-9ae3-31a6d32d51b4/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508e2dff-2a36-4610-9ae3-31a6d32d51b4/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508e2dff-2a36-4610-9ae3-31a6d32d51b4/bin/utaipan-I9t0OCRTmS --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 1b84ae01ff77d37e9299320c753590c425a9f784ed44d0a112a3afe6584a446b --- 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-8393723 [2022-11-19 06:58:23,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:58:23,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:58:23,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:58:23,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:58:23,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:58:23,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:58:23,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:58:23,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:58:23,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:58:23,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:58:23,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:58:23,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:58:23,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:58:23,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:58:23,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:58:23,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:58:23,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:58:23,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:58:23,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:58:23,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:58:23,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:58:23,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:58:23,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:58:23,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:58:23,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:58:23,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:58:23,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:58:23,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:58:23,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:58:23,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:58:23,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:58:23,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:58:23,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:58:23,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:58:23,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:58:23,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:58:23,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:58:23,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:58:23,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:58:23,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:58:23,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508e2dff-2a36-4610-9ae3-31a6d32d51b4/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 06:58:23,171 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:58:23,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:58:23,172 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:58:23,172 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:58:23,173 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:58:23,173 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:58:23,173 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:58:23,173 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:58:23,174 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:58:23,174 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:58:23,175 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:58:23,175 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:58:23,176 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:58:23,176 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:58:23,176 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:58:23,176 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:58:23,177 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:58:23,177 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:58:23,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:58:23,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:58:23,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:58:23,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:58:23,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:58:23,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:58:23,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:58:23,180 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:58:23,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:58:23,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:58:23,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:58:23,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:58:23,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:58:23,181 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:58:23,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:58:23,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:58:23,182 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:58:23,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:58:23,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:58:23,183 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:58:23,183 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_508e2dff-2a36-4610-9ae3-31a6d32d51b4/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508e2dff-2a36-4610-9ae3-31a6d32d51b4/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b84ae01ff77d37e9299320c753590c425a9f784ed44d0a112a3afe6584a446b [2022-11-19 06:58:23,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:58:23,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:58:23,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:58:23,575 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:58:23,576 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:58:23,577 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508e2dff-2a36-4610-9ae3-31a6d32d51b4/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-19 06:58:23,645 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508e2dff-2a36-4610-9ae3-31a6d32d51b4/bin/utaipan-I9t0OCRTmS/data/174ae9689/4dd7620cdf984e7cae3453dcc577de2f/FLAGdbd76bf31 [2022-11-19 06:58:24,911 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:58:24,912 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508e2dff-2a36-4610-9ae3-31a6d32d51b4/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-19 06:58:25,008 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508e2dff-2a36-4610-9ae3-31a6d32d51b4/bin/utaipan-I9t0OCRTmS/data/174ae9689/4dd7620cdf984e7cae3453dcc577de2f/FLAGdbd76bf31 [2022-11-19 06:58:25,516 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508e2dff-2a36-4610-9ae3-31a6d32d51b4/bin/utaipan-I9t0OCRTmS/data/174ae9689/4dd7620cdf984e7cae3453dcc577de2f [2022-11-19 06:58:25,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:58:25,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:58:25,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:58:25,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:58:25,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:58:25,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:58:25" (1/1) ... [2022-11-19 06:58:25,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1afeff01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:25, skipping insertion in model container [2022-11-19 06:58:25,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:58:25" (1/1) ... [2022-11-19 06:58:25,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:58:25,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:58:35,901 WARN L234 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_508e2dff-2a36-4610-9ae3-31a6d32d51b4/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945328,945341] [2022-11-19 06:58:35,905 WARN L234 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_508e2dff-2a36-4610-9ae3-31a6d32d51b4/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945497,945510] [2022-11-19 06:58:35,906 WARN L234 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_508e2dff-2a36-4610-9ae3-31a6d32d51b4/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945664,945677] [2022-11-19 06:58:35,906 WARN L234 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_508e2dff-2a36-4610-9ae3-31a6d32d51b4/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945832,945845] [2022-11-19 06:58:35,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:58:36,005 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:58:36,991 WARN L234 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_508e2dff-2a36-4610-9ae3-31a6d32d51b4/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945328,945341] [2022-11-19 06:58:36,993 WARN L234 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_508e2dff-2a36-4610-9ae3-31a6d32d51b4/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945497,945510] [2022-11-19 06:58:36,994 WARN L234 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_508e2dff-2a36-4610-9ae3-31a6d32d51b4/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945664,945677] [2022-11-19 06:58:36,994 WARN L234 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_508e2dff-2a36-4610-9ae3-31a6d32d51b4/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i[945832,945845] [2022-11-19 06:58:37,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:58:37,493 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:58:37,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:37 WrapperNode [2022-11-19 06:58:37,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:58:37,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:58:37,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:58:37,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:58:37,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:37" (1/1) ... [2022-11-19 06:58:37,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:37" (1/1) ... [2022-11-19 06:58:38,668 INFO L138 Inliner]: procedures = 856, calls = 16466, calls flagged for inlining = 419, calls inlined = 352, statements flattened = 29787 [2022-11-19 06:58:38,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:58:38,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:58:38,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:58:38,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:58:38,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:37" (1/1) ... [2022-11-19 06:58:38,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:37" (1/1) ... [2022-11-19 06:58:39,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:37" (1/1) ... [2022-11-19 06:58:39,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:37" (1/1) ... [2022-11-19 06:58:39,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:37" (1/1) ... [2022-11-19 06:58:40,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:37" (1/1) ... [2022-11-19 06:58:40,272 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:37" (1/1) ... [2022-11-19 06:58:40,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:37" (1/1) ... [2022-11-19 06:58:40,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:58:40,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:58:40,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:58:40,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:58:40,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:37" (1/1) ... [2022-11-19 06:58:40,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:58:40,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508e2dff-2a36-4610-9ae3-31a6d32d51b4/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:58:40,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508e2dff-2a36-4610-9ae3-31a6d32d51b4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:58:40,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_508e2dff-2a36-4610-9ae3-31a6d32d51b4/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:58:40,637 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2022-11-19 06:58:40,637 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2022-11-19 06:58:40,637 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-19 06:58:40,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-19 06:58:40,638 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2022-11-19 06:58:40,638 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2022-11-19 06:58:40,638 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2022-11-19 06:58:40,638 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2022-11-19 06:58:40,638 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-19 06:58:40,639 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-19 06:58:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-19 06:58:40,639 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-19 06:58:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2022-11-19 06:58:40,639 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2022-11-19 06:58:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-19 06:58:40,640 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-19 06:58:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-19 06:58:40,640 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-19 06:58:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 06:58:40,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 06:58:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2022-11-19 06:58:40,640 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2022-11-19 06:58:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 06:58:40,641 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 06:58:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 06:58:40,641 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 06:58:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2022-11-19 06:58:40,641 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2022-11-19 06:58:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-19 06:58:40,642 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-19 06:58:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2022-11-19 06:58:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2022-11-19 06:58:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2022-11-19 06:58:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2022-11-19 06:58:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-19 06:58:40,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-19 06:58:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 06:58:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 06:58:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 06:58:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 06:58:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 06:58:40,645 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 06:58:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-19 06:58:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-19 06:58:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2022-11-19 06:58:40,646 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2022-11-19 06:58:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2022-11-19 06:58:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2022-11-19 06:58:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-11-19 06:58:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-11-19 06:58:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-19 06:58:40,647 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-19 06:58:40,647 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 06:58:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 06:58:40,648 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 06:58:40,648 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 06:58:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2022-11-19 06:58:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2022-11-19 06:58:40,649 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2022-11-19 06:58:40,649 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2022-11-19 06:58:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-19 06:58:40,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-19 06:58:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2022-11-19 06:58:40,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2022-11-19 06:58:40,650 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 06:58:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 06:58:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2022-11-19 06:58:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2022-11-19 06:58:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-19 06:58:40,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-19 06:58:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2022-11-19 06:58:40,652 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2022-11-19 06:58:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:58:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-19 06:58:40,652 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-19 06:58:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2022-11-19 06:58:40,653 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2022-11-19 06:58:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2022-11-19 06:58:40,654 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2022-11-19 06:58:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-19 06:58:40,654 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-19 06:58:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-19 06:58:40,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-19 06:58:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2022-11-19 06:58:40,655 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2022-11-19 06:58:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 06:58:40,656 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 06:58:40,656 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2022-11-19 06:58:40,657 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2022-11-19 06:58:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-19 06:58:40,657 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-19 06:58:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2022-11-19 06:58:40,657 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2022-11-19 06:58:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-19 06:58:40,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-19 06:58:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:58:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2022-11-19 06:58:40,658 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2022-11-19 06:58:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:58:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 06:58:40,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 06:58:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 06:58:40,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 06:58:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:58:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2022-11-19 06:58:40,664 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2022-11-19 06:58:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 06:58:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-19 06:58:40,664 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-19 06:58:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2022-11-19 06:58:40,666 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2022-11-19 06:58:40,667 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-19 06:58:40,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-19 06:58:40,667 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2022-11-19 06:58:40,672 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2022-11-19 06:58:40,672 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 06:58:40,673 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 06:58:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2022-11-19 06:58:40,673 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2022-11-19 06:58:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-19 06:58:40,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-19 06:58:40,673 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-19 06:58:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-19 06:58:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-19 06:58:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-19 06:58:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 06:58:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 06:58:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2022-11-19 06:58:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2022-11-19 06:58:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2022-11-19 06:58:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2022-11-19 06:58:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-19 06:58:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-19 06:58:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:58:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:58:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2022-11-19 06:58:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2022-11-19 06:58:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-19 06:58:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-19 06:58:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2022-11-19 06:58:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2022-11-19 06:58:40,676 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2022-11-19 06:58:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2022-11-19 06:58:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-19 06:58:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-19 06:58:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2022-11-19 06:58:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2022-11-19 06:58:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 06:58:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 06:58:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 06:58:40,677 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2022-11-19 06:58:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2022-11-19 06:58:40,678 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-19 06:58:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-19 06:58:40,678 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-19 06:58:40,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-19 06:58:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-19 06:58:40,679 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_resume [2022-11-19 06:58:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_resume [2022-11-19 06:58:40,679 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-19 06:58:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-19 06:58:40,679 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-19 06:58:40,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-19 06:58:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 06:58:40,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 06:58:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2022-11-19 06:58:40,680 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2022-11-19 06:58:40,680 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2022-11-19 06:58:40,680 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2022-11-19 06:58:40,681 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-11-19 06:58:40,681 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-11-19 06:58:40,681 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-19 06:58:40,681 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-19 06:58:40,681 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2022-11-19 06:58:40,681 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2022-11-19 06:58:40,681 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-19 06:58:40,682 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-19 06:58:40,682 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-19 06:58:40,682 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-19 06:58:40,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:58:40,682 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 06:58:40,682 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 06:58:40,682 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2022-11-19 06:58:40,683 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2022-11-19 06:58:40,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:58:40,683 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-19 06:58:40,683 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-19 06:58:40,683 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2022-11-19 06:58:40,683 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2022-11-19 06:58:40,683 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2022-11-19 06:58:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2022-11-19 06:58:40,684 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2022-11-19 06:58:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2022-11-19 06:58:40,684 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2022-11-19 06:58:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2022-11-19 06:58:40,684 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-19 06:58:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-19 06:58:40,684 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2022-11-19 06:58:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2022-11-19 06:58:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 06:58:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 06:58:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-19 06:58:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-19 06:58:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2022-11-19 06:58:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2022-11-19 06:58:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2022-11-19 06:58:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2022-11-19 06:58:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-19 06:58:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-19 06:58:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2022-11-19 06:58:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2022-11-19 06:58:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2022-11-19 06:58:40,687 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2022-11-19 06:58:40,687 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-19 06:58:40,687 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-19 06:58:40,687 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2022-11-19 06:58:40,687 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2022-11-19 06:58:40,687 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2022-11-19 06:58:40,687 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2022-11-19 06:58:40,687 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-19 06:58:40,688 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-19 06:58:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 06:58:40,688 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 06:58:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:58:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2022-11-19 06:58:40,688 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2022-11-19 06:58:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 06:58:40,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 06:58:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_88 [2022-11-19 06:58:40,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_88 [2022-11-19 06:58:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2022-11-19 06:58:40,690 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2022-11-19 06:58:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-19 06:58:40,694 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-19 06:58:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2022-11-19 06:58:40,694 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2022-11-19 06:58:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2022-11-19 06:58:40,694 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2022-11-19 06:58:40,694 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2022-11-19 06:58:40,695 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2022-11-19 06:58:40,695 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-19 06:58:40,696 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-19 06:58:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2022-11-19 06:58:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2022-11-19 06:58:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-19 06:58:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-19 06:58:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2022-11-19 06:58:40,697 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2022-11-19 06:58:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-19 06:58:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-19 06:58:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-19 06:58:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-19 06:58:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-19 06:58:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-19 06:58:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-19 06:58:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2022-11-19 06:58:40,699 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2022-11-19 06:58:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-19 06:58:40,699 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-19 06:58:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_91 [2022-11-19 06:58:40,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_91 [2022-11-19 06:58:40,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 06:58:40,699 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 06:58:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_82 [2022-11-19 06:58:40,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_82 [2022-11-19 06:58:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-19 06:58:40,700 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-19 06:58:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2022-11-19 06:58:40,700 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2022-11-19 06:58:40,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 06:58:40,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 06:58:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2022-11-19 06:58:40,701 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2022-11-19 06:58:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2022-11-19 06:58:40,701 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2022-11-19 06:58:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2022-11-19 06:58:40,701 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2022-11-19 06:58:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 06:58:40,701 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 06:58:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-19 06:58:40,702 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-19 06:58:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-19 06:58:40,702 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-19 06:58:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-19 06:58:40,702 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-19 06:58:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2022-11-19 06:58:40,703 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2022-11-19 06:58:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2022-11-19 06:58:40,703 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2022-11-19 06:58:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2022-11-19 06:58:40,703 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2022-11-19 06:58:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_83 [2022-11-19 06:58:40,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_83 [2022-11-19 06:58:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2022-11-19 06:58:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2022-11-19 06:58:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-11-19 06:58:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-11-19 06:58:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-19 06:58:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-19 06:58:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-19 06:58:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-19 06:58:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-19 06:58:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-19 06:58:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 06:58:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 06:58:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-19 06:58:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-19 06:58:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:58:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2022-11-19 06:58:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2022-11-19 06:58:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2022-11-19 06:58:40,706 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2022-11-19 06:58:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2022-11-19 06:58:40,706 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2022-11-19 06:58:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2022-11-19 06:58:40,706 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2022-11-19 06:58:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2022-11-19 06:58:40,707 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2022-11-19 06:58:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 06:58:40,707 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 06:58:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 06:58:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2022-11-19 06:58:40,707 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2022-11-19 06:58:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2022-11-19 06:58:40,707 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2022-11-19 06:58:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 06:58:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 06:58:40,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 06:58:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2022-11-19 06:58:40,708 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2022-11-19 06:58:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 06:58:40,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 06:58:40,708 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2022-11-19 06:58:40,709 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2022-11-19 06:58:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2022-11-19 06:58:40,709 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2022-11-19 06:58:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-19 06:58:40,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-19 06:58:40,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-19 06:58:40,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-19 06:58:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-19 06:58:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-19 06:58:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2022-11-19 06:58:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2022-11-19 06:58:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-19 06:58:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-19 06:58:40,710 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-19 06:58:40,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-19 06:58:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2022-11-19 06:58:40,711 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2022-11-19 06:58:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-19 06:58:40,711 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-19 06:58:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-19 06:58:40,711 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-19 06:58:40,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 06:58:40,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 06:58:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2022-11-19 06:58:40,712 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2022-11-19 06:58:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-19 06:58:40,712 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-19 06:58:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2022-11-19 06:58:40,712 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2022-11-19 06:58:40,712 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2022-11-19 06:58:40,713 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2022-11-19 06:58:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2022-11-19 06:58:40,713 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2022-11-19 06:58:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-19 06:58:40,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-19 06:58:40,713 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-19 06:58:40,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-19 06:58:40,714 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-19 06:58:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-19 06:58:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2022-11-19 06:58:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2022-11-19 06:58:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-19 06:58:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-19 06:58:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2022-11-19 06:58:40,715 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2022-11-19 06:58:40,715 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2022-11-19 06:58:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2022-11-19 06:58:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-19 06:58:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-19 06:58:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2022-11-19 06:58:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2022-11-19 06:58:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-19 06:58:40,716 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-19 06:58:40,716 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2022-11-19 06:58:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2022-11-19 06:58:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-19 06:58:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-19 06:58:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2022-11-19 06:58:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2022-11-19 06:58:40,717 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-19 06:58:40,717 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-19 06:58:40,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 06:58:40,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 06:58:40,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 06:58:40,718 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-19 06:58:40,718 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-19 06:58:40,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 06:58:40,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 06:58:40,718 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-19 06:58:40,719 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-19 06:58:40,719 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-19 06:58:40,719 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-19 06:58:40,719 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2022-11-19 06:58:40,719 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2022-11-19 06:58:40,719 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-19 06:58:40,719 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-19 06:58:40,720 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-19 06:58:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-19 06:58:40,720 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2022-11-19 06:58:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2022-11-19 06:58:40,720 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-19 06:58:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-19 06:58:40,720 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2022-11-19 06:58:40,720 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2022-11-19 06:58:40,721 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-19 06:58:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-19 06:58:40,721 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2022-11-19 06:58:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2022-11-19 06:58:40,721 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-19 06:58:40,721 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-19 06:58:40,721 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-19 06:58:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-19 06:58:40,722 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-19 06:58:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-19 06:58:40,722 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-19 06:58:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-19 06:58:40,722 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-19 06:58:40,722 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-19 06:58:40,722 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-19 06:58:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-19 06:58:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 06:58:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2022-11-19 06:58:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2022-11-19 06:58:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2022-11-19 06:58:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2022-11-19 06:58:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2022-11-19 06:58:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2022-11-19 06:58:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-19 06:58:40,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-19 06:58:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-19 06:58:40,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-19 06:58:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-19 06:58:40,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-19 06:58:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2022-11-19 06:58:40,725 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2022-11-19 06:58:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2022-11-19 06:58:40,725 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2022-11-19 06:58:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2022-11-19 06:58:40,725 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2022-11-19 06:58:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_87 [2022-11-19 06:58:40,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_87 [2022-11-19 06:58:40,725 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2022-11-19 06:58:40,726 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2022-11-19 06:58:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-19 06:58:40,726 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-19 06:58:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 06:58:40,726 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 06:58:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-19 06:58:40,726 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-19 06:58:40,726 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2022-11-19 06:58:40,727 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2022-11-19 06:58:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2022-11-19 06:58:40,727 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2022-11-19 06:58:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2022-11-19 06:58:40,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_stats_lock_of_e1000_adapter [2022-11-19 06:58:40,727 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2022-11-19 06:58:40,727 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2022-11-19 06:58:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-19 06:58:40,728 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-19 06:58:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-19 06:58:40,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-19 06:58:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 06:58:40,728 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 06:58:40,728 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2022-11-19 06:58:40,728 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2022-11-19 06:58:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2022-11-19 06:58:40,729 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2022-11-19 06:58:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2022-11-19 06:58:40,729 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2022-11-19 06:58:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-19 06:58:40,729 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-19 06:58:40,729 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2022-11-19 06:58:40,729 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2022-11-19 06:58:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-19 06:58:40,730 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-19 06:58:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2022-11-19 06:58:40,730 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2022-11-19 06:58:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-19 06:58:40,730 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-19 06:58:40,730 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-19 06:58:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-19 06:58:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-19 06:58:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-19 06:58:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2022-11-19 06:58:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2022-11-19 06:58:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2022-11-19 06:58:40,731 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2022-11-19 06:58:40,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-19 06:58:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-19 06:58:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-19 06:58:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-19 06:58:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-19 06:58:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-19 06:58:40,732 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-19 06:58:40,732 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-19 06:58:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2022-11-19 06:58:40,733 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2022-11-19 06:58:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 06:58:40,733 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 06:58:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-19 06:58:40,733 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-19 06:58:40,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_e1000_phy_lock [2022-11-19 06:58:40,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_e1000_phy_lock [2022-11-19 06:58:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:58:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-19 06:58:40,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-19 06:58:40,734 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-19 06:58:43,257 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:58:43,262 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:58:44,684 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 06:59:45,261 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:59:57,104 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:59:57,104 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-19 06:59:57,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:59:57 BoogieIcfgContainer [2022-11-19 06:59:57,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:59:57,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:59:57,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:59:57,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:59:57,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:58:25" (1/3) ... [2022-11-19 06:59:57,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11302b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:59:57, skipping insertion in model container [2022-11-19 06:59:57,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:37" (2/3) ... [2022-11-19 06:59:57,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11302b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:59:57, skipping insertion in model container [2022-11-19 06:59:57,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:59:57" (3/3) ... [2022-11-19 06:59:57,144 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-19 06:59:57,166 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:59:57,167 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-19 06:59:57,316 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:59:57,323 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;@81d6db0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:59:57,323 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-19 06:59:57,347 INFO L276 IsEmpty]: Start isEmpty. Operand has 6607 states, 4197 states have (on average 1.3350011913271385) internal successors, (5603), 4305 states have internal predecessors, (5603), 2159 states have call successors, (2159), 250 states have call predecessors, (2159), 249 states have return successors, (2155), 2142 states have call predecessors, (2155), 2155 states have call successors, (2155) [2022-11-19 06:59:57,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-19 06:59:57,357 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:59:57,358 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-19 06:59:57,358 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 06:59:57,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:59:57,363 INFO L85 PathProgramCache]: Analyzing trace with hash -206493668, now seen corresponding path program 1 times [2022-11-19 06:59:57,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:59:57,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096489681] [2022-11-19 06:59:57,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:59:57,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:59:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:00,740 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-19 07:00:00,741 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:00,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096489681] [2022-11-19 07:00:00,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096489681] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:00,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:00,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:00:00,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652123768] [2022-11-19 07:00:00,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:00,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:00:00,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:00,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:00:00,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:00:00,805 INFO L87 Difference]: Start difference. First operand has 6607 states, 4197 states have (on average 1.3350011913271385) internal successors, (5603), 4305 states have internal predecessors, (5603), 2159 states have call successors, (2159), 250 states have call predecessors, (2159), 249 states have return successors, (2155), 2142 states have call predecessors, (2155), 2155 states have call successors, (2155) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 07:00:03,969 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 [] [2022-11-19 07:00:17,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:00:19,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:00:32,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:00:36,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:00:37,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:37,879 INFO L93 Difference]: Finished difference Result 17486 states and 26812 transitions. [2022-11-19 07:00:37,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:00:37,882 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 35 [2022-11-19 07:00:37,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:37,973 INFO L225 Difference]: With dead ends: 17486 [2022-11-19 07:00:37,973 INFO L226 Difference]: Without dead ends: 10883 [2022-11-19 07:00:38,069 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 [2022-11-19 07:00:38,072 INFO L413 NwaCegarLoop]: 10887 mSDtfsCounter, 6369 mSDsluCounter, 30795 mSDsCounter, 0 mSdLazyCounter, 3513 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6387 SdHoareTripleChecker+Valid, 41682 SdHoareTripleChecker+Invalid, 3520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3513 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:38,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6387 Valid, 41682 Invalid, 3520 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 3513 Invalid, 5 Unknown, 0 Unchecked, 36.0s Time] [2022-11-19 07:00:38,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10883 states. [2022-11-19 07:00:39,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10883 to 10871. [2022-11-19 07:00:39,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10871 states, 6867 states have (on average 1.326780253385758) internal successors, (9111), 7031 states have internal predecessors, (9111), 3562 states have call successors, (3562), 441 states have call predecessors, (3562), 439 states have return successors, (3556), 3541 states have call predecessors, (3556), 3556 states have call successors, (3556) [2022-11-19 07:00:39,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10871 states to 10871 states and 16229 transitions. [2022-11-19 07:00:39,460 INFO L78 Accepts]: Start accepts. Automaton has 10871 states and 16229 transitions. Word has length 35 [2022-11-19 07:00:39,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:39,461 INFO L495 AbstractCegarLoop]: Abstraction has 10871 states and 16229 transitions. [2022-11-19 07:00:39,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 07:00:39,462 INFO L276 IsEmpty]: Start isEmpty. Operand 10871 states and 16229 transitions. [2022-11-19 07:00:39,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-19 07:00:39,466 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:39,466 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:00:39,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:00:39,467 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:00:39,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:39,468 INFO L85 PathProgramCache]: Analyzing trace with hash -470244281, now seen corresponding path program 1 times [2022-11-19 07:00:39,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:39,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365426992] [2022-11-19 07:00:39,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:39,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:42,421 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-19 07:00:42,421 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:42,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365426992] [2022-11-19 07:00:42,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365426992] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:42,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:42,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:00:42,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148541074] [2022-11-19 07:00:42,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:42,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:00:42,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:42,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:00:42,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:00:42,425 INFO L87 Difference]: Start difference. First operand 10871 states and 16229 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 07:00:45,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:00:58,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:01,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:13,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:15,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:17,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:19,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:21,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:23,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:30,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:33,362 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 [] [2022-11-19 07:01:34,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:34,256 INFO L93 Difference]: Finished difference Result 17105 states and 25546 transitions. [2022-11-19 07:01:34,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:01:34,256 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 40 [2022-11-19 07:01:34,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:34,371 INFO L225 Difference]: With dead ends: 17105 [2022-11-19 07:01:34,372 INFO L226 Difference]: Without dead ends: 17103 [2022-11-19 07:01:34,379 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 [2022-11-19 07:01:34,380 INFO L413 NwaCegarLoop]: 13513 mSDtfsCounter, 9295 mSDsluCounter, 36026 mSDsCounter, 0 mSdLazyCounter, 4448 mSolverCounterSat, 3 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9312 SdHoareTripleChecker+Valid, 49539 SdHoareTripleChecker+Invalid, 4459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4448 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:34,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9312 Valid, 49539 Invalid, 4459 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 4448 Invalid, 8 Unknown, 0 Unchecked, 50.8s Time] [2022-11-19 07:01:34,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17103 states. [2022-11-19 07:01:35,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17103 to 17053. [2022-11-19 07:01:35,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17053 states, 10743 states have (on average 1.3246765335567345) internal successors, (14231), 11008 states have internal predecessors, (14231), 5618 states have call successors, (5618), 692 states have call predecessors, (5618), 689 states have return successors, (5632), 5581 states have call predecessors, (5632), 5609 states have call successors, (5632) [2022-11-19 07:01:35,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17053 states to 17053 states and 25481 transitions. [2022-11-19 07:01:35,842 INFO L78 Accepts]: Start accepts. Automaton has 17053 states and 25481 transitions. Word has length 40 [2022-11-19 07:01:35,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:35,842 INFO L495 AbstractCegarLoop]: Abstraction has 17053 states and 25481 transitions. [2022-11-19 07:01:35,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 07:01:35,843 INFO L276 IsEmpty]: Start isEmpty. Operand 17053 states and 25481 transitions. [2022-11-19 07:01:35,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-19 07:01:35,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:35,852 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:01:35,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:01:35,852 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:01:35,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:35,853 INFO L85 PathProgramCache]: Analyzing trace with hash -360963396, now seen corresponding path program 1 times [2022-11-19 07:01:35,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:35,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089004840] [2022-11-19 07:01:35,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:35,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:38,084 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-19 07:01:38,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:38,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089004840] [2022-11-19 07:01:38,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089004840] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:38,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:01:38,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:01:38,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17636862] [2022-11-19 07:01:38,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:38,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:01:38,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:38,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:01:38,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:01:38,087 INFO L87 Difference]: Start difference. First operand 17053 states and 25481 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 07:01:42,030 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 [] [2022-11-19 07:01:49,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:51,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:53,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:01:55,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:10,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:20,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:22,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:25,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:26,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:02:26,165 INFO L93 Difference]: Finished difference Result 29744 states and 44497 transitions. [2022-11-19 07:02:26,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:02:26,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 45 [2022-11-19 07:02:26,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:02:26,335 INFO L225 Difference]: With dead ends: 29744 [2022-11-19 07:02:26,335 INFO L226 Difference]: Without dead ends: 29742 [2022-11-19 07:02:26,362 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 [2022-11-19 07:02:26,363 INFO L413 NwaCegarLoop]: 12983 mSDtfsCounter, 9759 mSDsluCounter, 34968 mSDsCounter, 0 mSdLazyCounter, 4223 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9775 SdHoareTripleChecker+Valid, 47951 SdHoareTripleChecker+Invalid, 4232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4223 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:02:26,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9775 Valid, 47951 Invalid, 4232 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 4223 Invalid, 7 Unknown, 0 Unchecked, 46.9s Time] [2022-11-19 07:02:26,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29742 states. [2022-11-19 07:02:28,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29742 to 29731. [2022-11-19 07:02:29,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29731 states, 18738 states have (on average 1.3255950474970648) internal successors, (24839), 19209 states have internal predecessors, (24839), 9807 states have call successors, (9807), 1188 states have call predecessors, (9807), 1183 states have return successors, (9839), 9735 states have call predecessors, (9839), 9792 states have call successors, (9839) [2022-11-19 07:02:29,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29731 states to 29731 states and 44485 transitions. [2022-11-19 07:02:29,285 INFO L78 Accepts]: Start accepts. Automaton has 29731 states and 44485 transitions. Word has length 45 [2022-11-19 07:02:29,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:02:29,286 INFO L495 AbstractCegarLoop]: Abstraction has 29731 states and 44485 transitions. [2022-11-19 07:02:29,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 07:02:29,286 INFO L276 IsEmpty]: Start isEmpty. Operand 29731 states and 44485 transitions. [2022-11-19 07:02:29,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-19 07:02:29,289 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:02:29,289 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:02:29,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:02:29,290 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:02:29,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:02:29,290 INFO L85 PathProgramCache]: Analyzing trace with hash -648376908, now seen corresponding path program 1 times [2022-11-19 07:02:29,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:02:29,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090724805] [2022-11-19 07:02:29,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:29,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:02:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:02:31,494 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-19 07:02:31,494 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:02:31,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090724805] [2022-11-19 07:02:31,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090724805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:02:31,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:02:31,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:02:31,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659962748] [2022-11-19 07:02:31,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:02:31,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:02:31,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:02:31,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:02:31,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:02:31,496 INFO L87 Difference]: Start difference. First operand 29731 states and 44485 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-19 07:02:34,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:48,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:50,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:02:53,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:03:05,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:03:09,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:03:10,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:03:10,461 INFO L93 Difference]: Finished difference Result 29749 states and 44503 transitions. [2022-11-19 07:03:10,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:03:10,461 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 56 [2022-11-19 07:03:10,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:03:10,596 INFO L225 Difference]: With dead ends: 29749 [2022-11-19 07:03:10,596 INFO L226 Difference]: Without dead ends: 29747 [2022-11-19 07:03:10,611 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 [2022-11-19 07:03:10,614 INFO L413 NwaCegarLoop]: 10996 mSDtfsCounter, 6350 mSDsluCounter, 30994 mSDsCounter, 0 mSdLazyCounter, 3521 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6364 SdHoareTripleChecker+Valid, 41990 SdHoareTripleChecker+Invalid, 3529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3521 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:03:10,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6364 Valid, 41990 Invalid, 3529 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3521 Invalid, 6 Unknown, 0 Unchecked, 37.8s Time] [2022-11-19 07:03:10,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29747 states. [2022-11-19 07:03:12,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29747 to 29735. [2022-11-19 07:03:12,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29735 states, 18741 states have (on average 1.3255429272717572) internal successors, (24842), 19212 states have internal predecessors, (24842), 9807 states have call successors, (9807), 1189 states have call predecessors, (9807), 1184 states have return successors, (9839), 9735 states have call predecessors, (9839), 9792 states have call successors, (9839) [2022-11-19 07:03:13,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29735 states to 29735 states and 44488 transitions. [2022-11-19 07:03:13,137 INFO L78 Accepts]: Start accepts. Automaton has 29735 states and 44488 transitions. Word has length 56 [2022-11-19 07:03:13,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:03:13,138 INFO L495 AbstractCegarLoop]: Abstraction has 29735 states and 44488 transitions. [2022-11-19 07:03:13,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-19 07:03:13,138 INFO L276 IsEmpty]: Start isEmpty. Operand 29735 states and 44488 transitions. [2022-11-19 07:03:13,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-19 07:03:13,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:03:13,140 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:03:13,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:03:13,140 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:03:13,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:03:13,141 INFO L85 PathProgramCache]: Analyzing trace with hash 2099135727, now seen corresponding path program 1 times [2022-11-19 07:03:13,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:03:13,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801011576] [2022-11-19 07:03:13,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:03:13,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:03:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:03:15,360 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-19 07:03:15,361 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:03:15,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801011576] [2022-11-19 07:03:15,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801011576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:03:15,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:03:15,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:03:15,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690030084] [2022-11-19 07:03:15,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:03:15,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:03:15,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:03:15,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:03:15,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:03:15,363 INFO L87 Difference]: Start difference. First operand 29735 states and 44488 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-19 07:03:18,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:03:22,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:03:29,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:03:32,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:03:35,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:03:37,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:03:53,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:03:55,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:03:57,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:03:57,859 INFO L93 Difference]: Finished difference Result 54279 states and 81430 transitions. [2022-11-19 07:03:57,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:03:57,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 61 [2022-11-19 07:03:57,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:03:58,198 INFO L225 Difference]: With dead ends: 54279 [2022-11-19 07:03:58,199 INFO L226 Difference]: Without dead ends: 54277 [2022-11-19 07:03:58,232 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 [2022-11-19 07:03:58,233 INFO L413 NwaCegarLoop]: 12952 mSDtfsCounter, 9406 mSDsluCounter, 34709 mSDsCounter, 0 mSdLazyCounter, 4209 mSolverCounterSat, 3 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9420 SdHoareTripleChecker+Valid, 47661 SdHoareTripleChecker+Invalid, 4218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4209 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:03:58,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9420 Valid, 47661 Invalid, 4218 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 4209 Invalid, 6 Unknown, 0 Unchecked, 40.5s Time] [2022-11-19 07:03:58,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54277 states. [2022-11-19 07:04:02,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54277 to 54175. [2022-11-19 07:04:02,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54175 states, 33970 states have (on average 1.3214306741242272) internal successors, (44889), 34907 states have internal predecessors, (44889), 18046 states have call successors, (18046), 2174 states have call predecessors, (18046), 2156 states have return successors, (18360), 17842 states have call predecessors, (18360), 18019 states have call successors, (18360) [2022-11-19 07:04:02,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54175 states to 54175 states and 81295 transitions. [2022-11-19 07:04:02,740 INFO L78 Accepts]: Start accepts. Automaton has 54175 states and 81295 transitions. Word has length 61 [2022-11-19 07:04:02,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:04:02,741 INFO L495 AbstractCegarLoop]: Abstraction has 54175 states and 81295 transitions. [2022-11-19 07:04:02,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-19 07:04:02,742 INFO L276 IsEmpty]: Start isEmpty. Operand 54175 states and 81295 transitions. [2022-11-19 07:04:02,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-19 07:04:02,745 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:04:02,745 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:04:02,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:04:02,745 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:04:02,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:04:02,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1725952596, now seen corresponding path program 1 times [2022-11-19 07:04:02,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:04:02,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529218725] [2022-11-19 07:04:02,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:04:02,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:04:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:04:05,626 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-19 07:04:05,627 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:04:05,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529218725] [2022-11-19 07:04:05,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529218725] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:04:05,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:04:05,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:04:05,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670629616] [2022-11-19 07:04:05,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:04:05,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:04:05,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:04:05,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:04:05,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:04:05,629 INFO L87 Difference]: Start difference. First operand 54175 states and 81295 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 07:04:08,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:04:22,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:04:24,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:04:29,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:04:43,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:04:46,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:04:48,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:04:51,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:04:54,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:04:54,088 INFO L93 Difference]: Finished difference Result 92516 states and 138915 transitions. [2022-11-19 07:04:54,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:04:54,089 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 66 [2022-11-19 07:04:54,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:04:54,733 INFO L225 Difference]: With dead ends: 92516 [2022-11-19 07:04:54,733 INFO L226 Difference]: Without dead ends: 92514 [2022-11-19 07:04:54,776 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 [2022-11-19 07:04:54,777 INFO L413 NwaCegarLoop]: 12870 mSDtfsCounter, 9245 mSDsluCounter, 32953 mSDsCounter, 0 mSdLazyCounter, 4240 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9257 SdHoareTripleChecker+Valid, 45823 SdHoareTripleChecker+Invalid, 4248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4240 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:04:54,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9257 Valid, 45823 Invalid, 4248 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 4240 Invalid, 5 Unknown, 0 Unchecked, 45.0s Time] [2022-11-19 07:04:54,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92514 states. [2022-11-19 07:05:01,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92514 to 92416. [2022-11-19 07:05:01,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92416 states, 57329 states have (on average 1.3101746062202375) internal successors, (75111), 59313 states have internal predecessors, (75111), 31130 states have call successors, (31130), 4020 states have call predecessors, (31130), 3954 states have return successors, (32539), 30459 states have call predecessors, (32539), 31079 states have call successors, (32539) [2022-11-19 07:05:02,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92416 states to 92416 states and 138780 transitions. [2022-11-19 07:05:02,736 INFO L78 Accepts]: Start accepts. Automaton has 92416 states and 138780 transitions. Word has length 66 [2022-11-19 07:05:02,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:05:02,737 INFO L495 AbstractCegarLoop]: Abstraction has 92416 states and 138780 transitions. [2022-11-19 07:05:02,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 07:05:02,737 INFO L276 IsEmpty]: Start isEmpty. Operand 92416 states and 138780 transitions. [2022-11-19 07:05:02,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-19 07:05:02,739 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:05:02,739 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:05:02,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:05:02,740 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:05:02,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:05:02,740 INFO L85 PathProgramCache]: Analyzing trace with hash -933048324, now seen corresponding path program 1 times [2022-11-19 07:05:02,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:05:02,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145615683] [2022-11-19 07:05:02,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:05:02,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:05:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:05:05,466 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-19 07:05:05,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:05:05,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145615683] [2022-11-19 07:05:05,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145615683] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:05:05,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:05:05,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:05:05,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199918882] [2022-11-19 07:05:05,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:05:05,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:05:05,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:05:05,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:05:05,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:05:05,469 INFO L87 Difference]: Start difference. First operand 92416 states and 138780 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 07:05:07,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:05:09,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:05:11,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:05:20,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:05:22,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:05:24,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:05:26,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:05:39,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:05:49,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:05:52,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:05:55,704 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 [] [2022-11-19 07:05:57,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:05:57,540 INFO L93 Difference]: Finished difference Result 92467 states and 138827 transitions. [2022-11-19 07:05:57,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:05:57,543 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 65 [2022-11-19 07:05:57,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:05:57,911 INFO L225 Difference]: With dead ends: 92467 [2022-11-19 07:05:57,911 INFO L226 Difference]: Without dead ends: 92465 [2022-11-19 07:05:57,948 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 [2022-11-19 07:05:57,949 INFO L413 NwaCegarLoop]: 12943 mSDtfsCounter, 9759 mSDsluCounter, 34888 mSDsCounter, 0 mSdLazyCounter, 4199 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9771 SdHoareTripleChecker+Valid, 47831 SdHoareTripleChecker+Invalid, 4210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4199 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:05:57,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9771 Valid, 47831 Invalid, 4210 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 4199 Invalid, 9 Unknown, 0 Unchecked, 48.5s Time] [2022-11-19 07:05:58,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92465 states. [2022-11-19 07:06:03,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92465 to 92452. [2022-11-19 07:06:03,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92452 states, 57356 states have (on average 1.3100285933468163) internal successors, (75138), 59340 states have internal predecessors, (75138), 31130 states have call successors, (31130), 4029 states have call predecessors, (31130), 3963 states have return successors, (32539), 30459 states have call predecessors, (32539), 31079 states have call successors, (32539) [2022-11-19 07:06:04,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92452 states to 92452 states and 138807 transitions. [2022-11-19 07:06:04,983 INFO L78 Accepts]: Start accepts. Automaton has 92452 states and 138807 transitions. Word has length 65 [2022-11-19 07:06:04,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:06:04,984 INFO L495 AbstractCegarLoop]: Abstraction has 92452 states and 138807 transitions. [2022-11-19 07:06:04,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 07:06:04,984 INFO L276 IsEmpty]: Start isEmpty. Operand 92452 states and 138807 transitions. [2022-11-19 07:06:04,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-19 07:06:04,986 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:06:04,986 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:06:04,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:06:04,986 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:06:04,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:06:04,987 INFO L85 PathProgramCache]: Analyzing trace with hash -836536601, now seen corresponding path program 1 times [2022-11-19 07:06:04,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:06:04,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30977772] [2022-11-19 07:06:04,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:06:04,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:06:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:06:06,728 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-11-19 07:06:06,728 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:06:06,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30977772] [2022-11-19 07:06:06,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30977772] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:06:06,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:06:06,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:06:06,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781776478] [2022-11-19 07:06:06,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:06:06,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:06:06,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:06:06,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:06:06,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:06:06,730 INFO L87 Difference]: Start difference. First operand 92452 states and 138807 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 07:06:10,814 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 [] [2022-11-19 07:06:12,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:06:22,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:06:24,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:06:31,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:06:35,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:06:39,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:06:41,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:06:43,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:06:50,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:06:52,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:06:56,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:06:56,561 INFO L93 Difference]: Finished difference Result 123121 states and 184218 transitions. [2022-11-19 07:06:56,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:06:56,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 70 [2022-11-19 07:06:56,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:06:57,359 INFO L225 Difference]: With dead ends: 123121 [2022-11-19 07:06:57,359 INFO L226 Difference]: Without dead ends: 123119 [2022-11-19 07:06:57,405 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 [2022-11-19 07:06:57,405 INFO L413 NwaCegarLoop]: 10642 mSDtfsCounter, 7012 mSDsluCounter, 30286 mSDsCounter, 0 mSdLazyCounter, 3340 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7022 SdHoareTripleChecker+Valid, 40928 SdHoareTripleChecker+Invalid, 3351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3340 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:06:57,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7022 Valid, 40928 Invalid, 3351 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3340 Invalid, 9 Unknown, 0 Unchecked, 45.2s Time] [2022-11-19 07:06:57,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123119 states. [2022-11-19 07:07:06,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123119 to 123050. [2022-11-19 07:07:06,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123050 states, 76242 states have (on average 1.30702237611815) internal successors, (99650), 78827 states have internal predecessors, (99650), 41338 states have call successors, (41338), 5565 states have call predecessors, (41338), 5467 states have return successors, (43143), 40466 states have call predecessors, (43143), 41263 states have call successors, (43143) [2022-11-19 07:07:07,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123050 states to 123050 states and 184131 transitions. [2022-11-19 07:07:07,986 INFO L78 Accepts]: Start accepts. Automaton has 123050 states and 184131 transitions. Word has length 70 [2022-11-19 07:07:07,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:07:07,987 INFO L495 AbstractCegarLoop]: Abstraction has 123050 states and 184131 transitions. [2022-11-19 07:07:07,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 07:07:07,987 INFO L276 IsEmpty]: Start isEmpty. Operand 123050 states and 184131 transitions. [2022-11-19 07:07:07,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-19 07:07:07,989 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:07:07,989 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:07:07,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:07:07,989 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 07:07:07,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:07:07,990 INFO L85 PathProgramCache]: Analyzing trace with hash 905609884, now seen corresponding path program 1 times [2022-11-19 07:07:07,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:07:07,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763518493] [2022-11-19 07:07:07,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:07:07,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:07:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:07:09,855 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-11-19 07:07:09,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:07:09,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763518493] [2022-11-19 07:07:09,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763518493] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:07:09,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:07:09,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:07:09,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78595864] [2022-11-19 07:07:09,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:07:09,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:07:09,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:07:09,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:07:09,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:07:09,858 INFO L87 Difference]: Start difference. First operand 123050 states and 184131 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 07:07:12,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:07:14,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:07:16,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:07:25,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:07:27,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:07:45,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:07:48,747 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 [] [2022-11-19 07:07:51,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:07:51,752 INFO L93 Difference]: Finished difference Result 123129 states and 184217 transitions. [2022-11-19 07:07:51,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:07:51,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 75 [2022-11-19 07:07:51,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:07:52,222 INFO L225 Difference]: With dead ends: 123129 [2022-11-19 07:07:52,222 INFO L226 Difference]: Without dead ends: 123127 [2022-11-19 07:07:52,270 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 [2022-11-19 07:07:52,271 INFO L413 NwaCegarLoop]: 10642 mSDtfsCounter, 7012 mSDsluCounter, 30286 mSDsCounter, 0 mSdLazyCounter, 3342 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7021 SdHoareTripleChecker+Valid, 40928 SdHoareTripleChecker+Invalid, 3349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3342 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:07:52,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7021 Valid, 40928 Invalid, 3349 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3342 Invalid, 5 Unknown, 0 Unchecked, 37.5s Time] [2022-11-19 07:07:52,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123127 states. [2022-11-19 07:08:00,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123127 to 123086. [2022-11-19 07:08:00,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123086 states, 76269 states have (on average 1.3069136870812519) internal successors, (99677), 78854 states have internal predecessors, (99677), 41338 states have call successors, (41338), 5574 states have call predecessors, (41338), 5476 states have return successors, (43143), 40466 states have call predecessors, (43143), 41263 states have call successors, (43143)