./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16535cda-b72e-4a0a-812c-76c80f363acf/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16535cda-b72e-4a0a-812c-76c80f363acf/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16535cda-b72e-4a0a-812c-76c80f363acf/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16535cda-b72e-4a0a-812c-76c80f363acf/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16535cda-b72e-4a0a-812c-76c80f363acf/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16535cda-b72e-4a0a-812c-76c80f363acf/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 08c4ab5181b7abd6700c38bd6f4a3ecc0debf94ce89805012c81d15880051c78 --- 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 [2022-11-18 20:02:46,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:02:46,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:02:46,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:02:46,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:02:46,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:02:46,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:02:46,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:02:46,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:02:46,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:02:46,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:02:46,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:02:46,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:02:46,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:02:46,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:02:46,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:02:46,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:02:46,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:02:46,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:02:46,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:02:46,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:02:46,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:02:46,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:02:46,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:02:46,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:02:46,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:02:46,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:02:46,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:02:46,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:02:46,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:02:46,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:02:46,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:02:46,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:02:46,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:02:46,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:02:46,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:02:46,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:02:46,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:02:46,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:02:46,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:02:46,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:02:46,437 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16535cda-b72e-4a0a-812c-76c80f363acf/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:02:46,465 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:02:46,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:02:46,466 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:02:46,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:02:46,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:02:46,468 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:02:46,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:02:46,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:02:46,470 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:02:46,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:02:46,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:02:46,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:02:46,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:02:46,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:02:46,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:02:46,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:02:46,472 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:02:46,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:02:46,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:02:46,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:02:46,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:02:46,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:02:46,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:02:46,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:02:46,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:02:46,475 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:02:46,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:02:46,475 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:02:46,475 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:02:46,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:02:46,476 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_16535cda-b72e-4a0a-812c-76c80f363acf/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16535cda-b72e-4a0a-812c-76c80f363acf/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08c4ab5181b7abd6700c38bd6f4a3ecc0debf94ce89805012c81d15880051c78 [2022-11-18 20:02:46,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:02:46,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:02:46,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:02:46,872 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:02:46,879 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:02:46,880 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16535cda-b72e-4a0a-812c-76c80f363acf/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2022-11-18 20:02:46,986 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16535cda-b72e-4a0a-812c-76c80f363acf/bin/uautomizer-TMbwUNV5ro/data/8efc426b5/9869a7859e22407ea6ecef11d319c092/FLAG79b5b74d9 [2022-11-18 20:02:48,312 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:02:48,313 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16535cda-b72e-4a0a-812c-76c80f363acf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2022-11-18 20:02:48,384 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16535cda-b72e-4a0a-812c-76c80f363acf/bin/uautomizer-TMbwUNV5ro/data/8efc426b5/9869a7859e22407ea6ecef11d319c092/FLAG79b5b74d9 [2022-11-18 20:02:48,519 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16535cda-b72e-4a0a-812c-76c80f363acf/bin/uautomizer-TMbwUNV5ro/data/8efc426b5/9869a7859e22407ea6ecef11d319c092 [2022-11-18 20:02:48,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:02:48,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:02:48,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:02:48,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:02:48,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:02:48,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:02:48" (1/1) ... [2022-11-18 20:02:48,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f7ef7a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:02:48, skipping insertion in model container [2022-11-18 20:02:48,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:02:48" (1/1) ... [2022-11-18 20:02:48,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:02:48,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:02:54,386 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_16535cda-b72e-4a0a-812c-76c80f363acf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445714,445727] [2022-11-18 20:02:54,399 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_16535cda-b72e-4a0a-812c-76c80f363acf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445883,445896] [2022-11-18 20:02:54,400 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_16535cda-b72e-4a0a-812c-76c80f363acf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446050,446063] [2022-11-18 20:02:54,401 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_16535cda-b72e-4a0a-812c-76c80f363acf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446218,446231] [2022-11-18 20:02:54,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:02:54,620 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:02:55,314 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_16535cda-b72e-4a0a-812c-76c80f363acf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445714,445727] [2022-11-18 20:02:55,315 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_16535cda-b72e-4a0a-812c-76c80f363acf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[445883,445896] [2022-11-18 20:02:55,316 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_16535cda-b72e-4a0a-812c-76c80f363acf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446050,446063] [2022-11-18 20:02:55,317 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_16535cda-b72e-4a0a-812c-76c80f363acf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i[446218,446231] [2022-11-18 20:02:55,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:02:55,718 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:02:55,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:02:55 WrapperNode [2022-11-18 20:02:55,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:02:55,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:02:55,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:02:55,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:02:55,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:02:55" (1/1) ... [2022-11-18 20:02:55,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:02:55" (1/1) ... [2022-11-18 20:02:56,528 INFO L138 Inliner]: procedures = 663, calls = 4693, calls flagged for inlining = 358, calls inlined = 345, statements flattened = 10506 [2022-11-18 20:02:56,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:02:56,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:02:56,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:02:56,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:02:56,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:02:55" (1/1) ... [2022-11-18 20:02:56,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:02:55" (1/1) ... [2022-11-18 20:02:56,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:02:55" (1/1) ... [2022-11-18 20:02:56,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:02:55" (1/1) ... [2022-11-18 20:02:57,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:02:55" (1/1) ... [2022-11-18 20:02:57,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:02:55" (1/1) ... [2022-11-18 20:02:57,187 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:02:55" (1/1) ... [2022-11-18 20:02:57,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:02:55" (1/1) ... [2022-11-18 20:02:57,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:02:57,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:02:57,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:02:57,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:02:57,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:02:55" (1/1) ... [2022-11-18 20:02:57,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:02:57,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16535cda-b72e-4a0a-812c-76c80f363acf/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:02:57,434 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16535cda-b72e-4a0a-812c-76c80f363acf/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:02:57,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16535cda-b72e-4a0a-812c-76c80f363acf/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:02:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 20:02:57,488 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 20:02:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-18 20:02:57,488 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-18 20:02:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure hw_del_addr [2022-11-18 20:02:57,488 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_del_addr [2022-11-18 20:02:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-18 20:02:57,489 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-18 20:02:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol [2022-11-18 20:02:57,489 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol [2022-11-18 20:02:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:02:57,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:02:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-18 20:02:57,490 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-18 20:02:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_init [2022-11-18 20:02:57,490 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_init [2022-11-18 20:02:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ack_intr [2022-11-18 20:02:57,490 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ack_intr [2022-11-18 20:02:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_timeout [2022-11-18 20:02:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_timeout [2022-11-18 20:02:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure bridge_change [2022-11-18 20:02:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure bridge_change [2022-11-18 20:02:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-18 20:02:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-18 20:02:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure set_flow_ctrl [2022-11-18 20:02:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure set_flow_ctrl [2022-11-18 20:02:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-18 20:02:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-18 20:02:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2022-11-18 20:02:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2022-11-18 20:02:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-18 20:02:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-18 20:02:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_len [2022-11-18 20:02:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_len [2022-11-18 20:02:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_check_desc_num [2022-11-18 20:02:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_check_desc_num [2022-11-18 20:02:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-18 20:02:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-18 20:02:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-18 20:02:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-18 20:02:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-18 20:02:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-18 20:02:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-18 20:02:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-18 20:02:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure set_media_state [2022-11-18 20:02:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure set_media_state [2022-11-18 20:02:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-18 20:02:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-18 20:02:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-18 20:02:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-18 20:02:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-18 20:02:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-18 20:02:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_intr [2022-11-18 20:02:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_intr [2022-11-18 20:02:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:02:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-18 20:02:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-18 20:02:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-11-18 20:02:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-11-18 20:02:57,497 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-11-18 20:02:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-11-18 20:02:57,497 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg [2022-11-18 20:02:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg [2022-11-18 20:02:57,497 INFO L130 BoogieDeclarations]: Found specification of procedure state_gpio [2022-11-18 20:02:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure state_gpio [2022-11-18 20:02:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr [2022-11-18 20:02:57,498 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr [2022-11-18 20:02:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2022-11-18 20:02:57,499 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2022-11-18 20:02:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-18 20:02:57,499 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-18 20:02:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_resume [2022-11-18 20:02:57,500 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_resume [2022-11-18 20:02:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr_bit [2022-11-18 20:02:57,500 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr_bit [2022-11-18 20:02:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_eeprom_len [2022-11-18 20:02:57,500 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_eeprom_len [2022-11-18 20:02:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_buffers [2022-11-18 20:02:57,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_buffers [2022-11-18 20:02:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 20:02:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_clk [2022-11-18 20:02:57,501 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_clk [2022-11-18 20:02:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-18 20:02:57,502 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-18 20:02:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:02:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset [2022-11-18 20:02:57,502 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset [2022-11-18 20:02:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-18 20:02:57,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-18 20:02:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure rx_proc [2022-11-18 20:02:57,503 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_proc [2022-11-18 20:02:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure release_desc [2022-11-18 20:02:57,504 INFO L138 BoogieDeclarations]: Found implementation of procedure release_desc [2022-11-18 20:02:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:02:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-18 20:02:57,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-18 20:02:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure hw_resume_rx [2022-11-18 20:02:57,505 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_resume_rx [2022-11-18 20:02:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 20:02:57,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 20:02:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-18 20:02:57,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-18 20:02:57,506 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_netpoll [2022-11-18 20:02:57,506 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_netpoll [2022-11-18 20:02:57,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-18 20:02:57,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-18 20:02:57,506 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-11-18 20:02:57,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-11-18 20:02:57,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-18 20:02:57,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-18 20:02:57,507 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_add_addr [2022-11-18 20:02:57,508 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_add_addr [2022-11-18 20:02:57,508 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-18 20:02:57,508 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-18 20:02:57,508 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_grp_addr [2022-11-18 20:02:57,508 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_grp_addr [2022-11-18 20:02:57,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-18 20:02:57,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-18 20:02:57,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:02:57,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-18 20:02:57,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-18 20:02:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-18 20:02:57,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-18 20:02:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:02:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure sw_w_sta_mac_table [2022-11-18 20:02:57,511 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_w_sta_mac_table [2022-11-18 20:02:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2022-11-18 20:02:57,511 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2022-11-18 20:02:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-18 20:02:57,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-18 20:02:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-18 20:02:57,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-18 20:02:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:02:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 20:02:57,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 20:02:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure hw_stop_rx [2022-11-18 20:02:57,513 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_stop_rx [2022-11-18 20:02:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_intr [2022-11-18 20:02:57,513 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_intr [2022-11-18 20:02:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-18 20:02:57,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-18 20:02:57,514 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-18 20:02:57,514 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-18 20:02:57,514 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_rx_buffers [2022-11-18 20:02:57,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_rx_buffers [2022-11-18 20:02:57,514 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_mem [2022-11-18 20:02:57,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_mem [2022-11-18 20:02:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-18 20:02:57,515 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-18 20:02:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure hw_w_phy [2022-11-18 20:02:57,515 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_w_phy [2022-11-18 20:02:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-18 20:02:57,516 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-18 20:02:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-18 20:02:57,516 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-18 20:02:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-18 20:02:57,517 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-18 20:02:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_rx_mode [2022-11-18 20:02:57,517 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_rx_mode [2022-11-18 20:02:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-18 20:02:57,517 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-18 20:02:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-18 20:02:57,518 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-18 20:02:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:02:57,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:02:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_cleanup [2022-11-18 20:02:57,519 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_cleanup [2022-11-18 20:02:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure hw_r_phy [2022-11-18 20:02:57,519 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_r_phy [2022-11-18 20:02:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_addr [2022-11-18 20:02:57,520 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_addr [2022-11-18 20:02:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:02:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:02:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 20:02:57,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 20:02:57,521 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_pkt [2022-11-18 20:02:57,521 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_pkt [2022-11-18 20:02:57,521 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2022-11-18 20:02:57,521 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2022-11-18 20:02:57,521 INFO L130 BoogieDeclarations]: Found specification of procedure port_get_link_speed [2022-11-18 20:02:57,522 INFO L138 BoogieDeclarations]: Found implementation of procedure port_get_link_speed [2022-11-18 20:02:57,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-18 20:02:57,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-18 20:02:57,522 INFO L130 BoogieDeclarations]: Found specification of procedure port_r16 [2022-11-18 20:02:57,522 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r16 [2022-11-18 20:02:57,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hwlock_of_dev_info [2022-11-18 20:02:57,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hwlock_of_dev_info [2022-11-18 20:02:57,523 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_port_base_vlan [2022-11-18 20:02:57,523 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_port_base_vlan [2022-11-18 20:02:57,523 INFO L130 BoogieDeclarations]: Found specification of procedure drop_gpio [2022-11-18 20:02:57,524 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_gpio [2022-11-18 20:02:57,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-18 20:02:57,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-18 20:02:57,524 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_desc_base [2022-11-18 20:02:57,524 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_desc_base [2022-11-18 20:02:57,524 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 20:02:57,525 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 20:02:57,525 INFO L130 BoogieDeclarations]: Found specification of procedure hw_block_intr [2022-11-18 20:02:57,525 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_block_intr [2022-11-18 20:02:57,525 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-18 20:02:57,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-18 20:02:57,526 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-11-18 20:02:57,526 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-11-18 20:02:57,526 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2022-11-18 20:02:57,526 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2022-11-18 20:02:57,526 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_timer [2022-11-18 20:02:57,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_timer [2022-11-18 20:02:57,527 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset_pkts [2022-11-18 20:02:57,527 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset_pkts [2022-11-18 20:02:57,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 20:02:57,527 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 20:02:57,528 INFO L130 BoogieDeclarations]: Found specification of procedure hw_disable [2022-11-18 20:02:57,528 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_disable [2022-11-18 20:02:57,528 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-18 20:02:57,528 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-18 20:02:57,528 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-18 20:02:57,528 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-18 20:02:57,529 INFO L130 BoogieDeclarations]: Found specification of procedure get_mac_addr [2022-11-18 20:02:57,529 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mac_addr [2022-11-18 20:02:57,529 INFO L130 BoogieDeclarations]: Found specification of procedure hw_restore_intr [2022-11-18 20:02:57,529 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_restore_intr [2022-11-18 20:02:57,529 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-18 20:02:57,530 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-18 20:02:57,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:02:57,530 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-18 20:02:57,530 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-18 20:02:57,530 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-18 20:02:57,531 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-18 20:02:57,531 INFO L130 BoogieDeclarations]: Found specification of procedure hw_start_rx [2022-11-18 20:02:57,531 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_start_rx [2022-11-18 20:02:57,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:02:57,531 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg_broad_storm [2022-11-18 20:02:57,532 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg_broad_storm [2022-11-18 20:02:57,532 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-18 20:02:57,532 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-18 20:02:57,532 INFO L130 BoogieDeclarations]: Found specification of procedure hw_turn_on_intr [2022-11-18 20:02:57,532 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_turn_on_intr [2022-11-18 20:02:57,532 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-18 20:02:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-18 20:02:57,533 INFO L130 BoogieDeclarations]: Found specification of procedure sw_chk [2022-11-18 20:02:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_chk [2022-11-18 20:02:57,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:02:57,533 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_wol_frame [2022-11-18 20:02:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_wol_frame [2022-11-18 20:02:57,534 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-18 20:02:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-18 20:02:57,534 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-18 20:02:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-18 20:02:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-18 20:02:57,535 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-18 20:02:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-18 20:02:57,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-18 20:02:57,535 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-18 20:02:57,536 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-18 20:02:57,536 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_pkt [2022-11-18 20:02:57,536 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_pkt [2022-11-18 20:02:57,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 20:02:57,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 20:02:57,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_63 [2022-11-18 20:02:57,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_63 [2022-11-18 20:02:57,537 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg [2022-11-18 20:02:57,537 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg [2022-11-18 20:02:57,537 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2022-11-18 20:02:57,538 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2022-11-18 20:02:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hwlock_of_dev_info [2022-11-18 20:02:57,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hwlock_of_dev_info [2022-11-18 20:02:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_update_timer [2022-11-18 20:02:57,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_update_timer [2022-11-18 20:02:57,539 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-18 20:02:57,539 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-18 20:02:57,539 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_free [2022-11-18 20:02:57,539 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_free [2022-11-18 20:02:57,539 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_stop_timer [2022-11-18 20:02:57,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_stop_timer [2022-11-18 20:02:57,540 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-18 20:02:57,540 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-18 20:02:57,540 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_intr [2022-11-18 20:02:57,540 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_intr [2022-11-18 20:02:57,540 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-18 20:02:57,541 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-18 20:02:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure hw_add_addr [2022-11-18 20:02:57,541 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_add_addr [2022-11-18 20:02:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_cnt [2022-11-18 20:02:57,541 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_cnt [2022-11-18 20:02:57,542 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_buf [2022-11-18 20:02:57,542 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_buf [2022-11-18 20:02:57,542 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-18 20:02:57,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-18 20:02:57,542 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 20:02:57,542 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 20:02:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_72 [2022-11-18 20:02:57,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_72 [2022-11-18 20:02:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:02:57,543 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_multicast [2022-11-18 20:02:57,543 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_multicast [2022-11-18 20:02:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:02:57,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:02:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_regs_len [2022-11-18 20:02:57,544 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_regs_len [2022-11-18 20:02:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_multicast [2022-11-18 20:02:57,545 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_multicast [2022-11-18 20:02:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_link_speed [2022-11-18 20:02:57,545 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_link_speed [2022-11-18 20:02:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure raise_gpio [2022-11-18 20:02:57,545 INFO L138 BoogieDeclarations]: Found implementation of procedure raise_gpio [2022-11-18 20:02:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure port_w16 [2022-11-18 20:02:57,546 INFO L138 BoogieDeclarations]: Found implementation of procedure port_w16 [2022-11-18 20:02:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure empty_addr [2022-11-18 20:02:57,546 INFO L138 BoogieDeclarations]: Found implementation of procedure empty_addr [2022-11-18 20:02:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-18 20:02:57,546 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-18 20:02:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure mib_read_work [2022-11-18 20:02:57,547 INFO L138 BoogieDeclarations]: Found implementation of procedure mib_read_work [2022-11-18 20:02:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable_wol [2022-11-18 20:02:57,547 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable_wol [2022-11-18 20:02:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_stp_state [2022-11-18 20:02:57,548 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_stp_state [2022-11-18 20:02:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_wol_pme_status [2022-11-18 20:02:57,548 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_wol_pme_status [2022-11-18 20:02:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_64 [2022-11-18 20:02:57,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_64 [2022-11-18 20:02:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_start_timer [2022-11-18 20:02:57,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_start_timer [2022-11-18 20:02:57,549 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-18 20:02:57,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-18 20:02:57,549 INFO L130 BoogieDeclarations]: Found specification of procedure copy_old_skb [2022-11-18 20:02:57,549 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_old_skb [2022-11-18 20:02:57,550 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol_pme [2022-11-18 20:02:57,550 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol_pme [2022-11-18 20:02:57,550 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_buf [2022-11-18 20:02:57,550 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_buf [2022-11-18 20:02:57,550 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_network_header [2022-11-18 20:02:57,551 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_network_header [2022-11-18 20:02:57,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-18 20:02:57,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-18 20:02:57,551 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-18 20:02:57,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-18 20:02:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_exit [2022-11-18 20:02:57,552 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_exit [2022-11-18 20:02:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable [2022-11-18 20:02:57,552 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable [2022-11-18 20:02:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_alloc_soft_desc [2022-11-18 20:02:57,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_alloc_soft_desc [2022-11-18 20:02:57,553 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-18 20:02:57,553 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-18 20:02:57,553 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-18 20:02:57,553 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-18 20:02:57,553 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_broad_storm [2022-11-18 20:02:57,554 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_broad_storm [2022-11-18 20:02:57,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:02:57,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-18 20:02:57,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-18 20:02:57,554 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_power_saving [2022-11-18 20:02:57,555 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_power_saving [2022-11-18 20:02:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-18 20:02:57,555 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-18 20:02:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure spi_reg [2022-11-18 20:02:57,555 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_reg [2022-11-18 20:02:59,353 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:02:59,363 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:03:03,369 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 20:03:21,412 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-18 20:03:21,675 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:03:21,718 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:03:21,719 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-18 20:03:21,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:03:21 BoogieIcfgContainer [2022-11-18 20:03:21,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:03:21,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:03:21,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:03:21,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:03:21,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:02:48" (1/3) ... [2022-11-18 20:03:21,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40d34697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:03:21, skipping insertion in model container [2022-11-18 20:03:21,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:02:55" (2/3) ... [2022-11-18 20:03:21,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40d34697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:03:21, skipping insertion in model container [2022-11-18 20:03:21,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:03:21" (3/3) ... [2022-11-18 20:03:21,746 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2022-11-18 20:03:21,770 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:03:21,771 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-18 20:03:21,948 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:03:21,961 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4d8180c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:03:21,962 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-18 20:03:21,980 INFO L276 IsEmpty]: Start isEmpty. Operand has 3258 states, 2322 states have (on average 1.3066322136089579) internal successors, (3034), 2389 states have internal predecessors, (3034), 767 states have call successors, (767), 171 states have call predecessors, (767), 170 states have return successors, (761), 748 states have call predecessors, (761), 761 states have call successors, (761) [2022-11-18 20:03:22,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-11-18 20:03:22,029 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:03:22,031 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:03:22,031 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)] === [2022-11-18 20:03:22,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:22,042 INFO L85 PathProgramCache]: Analyzing trace with hash -299459020, now seen corresponding path program 1 times [2022-11-18 20:03:22,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:22,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943956789] [2022-11-18 20:03:22,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:22,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:03:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:03:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:03:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:03:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:03:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:03:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:03:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:03:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:03:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:03:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:03:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:03:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:03:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:03:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:03:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:03:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:03:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 20:03:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:23,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 20:03:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:24,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:24,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-18 20:03:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:24,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-18 20:03:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:24,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-11-18 20:03:24,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:03:24,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943956789] [2022-11-18 20:03:24,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943956789] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:03:24,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:03:24,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:03:24,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646140065] [2022-11-18 20:03:24,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:03:24,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:03:24,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:03:24,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:03:24,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:03:24,113 INFO L87 Difference]: Start difference. First operand has 3258 states, 2322 states have (on average 1.3066322136089579) internal successors, (3034), 2389 states have internal predecessors, (3034), 767 states have call successors, (767), 171 states have call predecessors, (767), 170 states have return successors, (761), 748 states have call predecessors, (761), 761 states have call successors, (761) Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-18 20:03:26,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:30,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:34,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:39,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:51,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:52,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:03:52,655 INFO L93 Difference]: Finished difference Result 9922 states and 14111 transitions. [2022-11-18 20:03:52,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:03:52,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 237 [2022-11-18 20:03:52,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:03:52,776 INFO L225 Difference]: With dead ends: 9922 [2022-11-18 20:03:52,777 INFO L226 Difference]: Without dead ends: 6697 [2022-11-18 20:03:52,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:03:52,816 INFO L413 NwaCegarLoop]: 3727 mSDtfsCounter, 6248 mSDsluCounter, 4761 mSDsCounter, 0 mSdLazyCounter, 4410 mSolverCounterSat, 2087 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6916 SdHoareTripleChecker+Valid, 8488 SdHoareTripleChecker+Invalid, 6500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2087 IncrementalHoareTripleChecker+Valid, 4410 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:03:52,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6916 Valid, 8488 Invalid, 6500 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2087 Valid, 4410 Invalid, 3 Unknown, 0 Unchecked, 27.4s Time] [2022-11-18 20:03:52,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6697 states. [2022-11-18 20:03:53,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6697 to 6341. [2022-11-18 20:03:53,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6341 states, 4539 states have (on average 1.3016082837629435) internal successors, (5908), 4668 states have internal predecessors, (5908), 1463 states have call successors, (1463), 337 states have call predecessors, (1463), 336 states have return successors, (1459), 1433 states have call predecessors, (1459), 1459 states have call successors, (1459) [2022-11-18 20:03:53,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6341 states to 6341 states and 8830 transitions. [2022-11-18 20:03:53,450 INFO L78 Accepts]: Start accepts. Automaton has 6341 states and 8830 transitions. Word has length 237 [2022-11-18 20:03:53,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:03:53,452 INFO L495 AbstractCegarLoop]: Abstraction has 6341 states and 8830 transitions. [2022-11-18 20:03:53,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-18 20:03:53,453 INFO L276 IsEmpty]: Start isEmpty. Operand 6341 states and 8830 transitions. [2022-11-18 20:03:53,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-11-18 20:03:53,459 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:03:53,460 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:03:53,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:03:53,461 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-18 20:03:53,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:03:53,462 INFO L85 PathProgramCache]: Analyzing trace with hash 534374368, now seen corresponding path program 1 times [2022-11-18 20:03:53,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:03:53,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185217075] [2022-11-18 20:03:53,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:03:53,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:03:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:03:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:03:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:03:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:03:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:03:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:03:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:03:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:03:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:03:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:03:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:03:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:03:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:03:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:03:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:03:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:03:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:03:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 20:03:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 20:03:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:03:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-18 20:03:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-11-18 20:03:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-18 20:03:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:03:54,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-11-18 20:03:54,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:03:54,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185217075] [2022-11-18 20:03:54,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185217075] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:03:54,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:03:54,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:03:54,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637368507] [2022-11-18 20:03:54,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:03:54,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:03:54,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:03:54,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:03:54,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:03:54,838 INFO L87 Difference]: Start difference. First operand 6341 states and 8830 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-18 20:03:56,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:03:58,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:01,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:04,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:09,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:13,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:18,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:25,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:27,402 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 [] [2022-11-18 20:04:27,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:04:27,905 INFO L93 Difference]: Finished difference Result 19567 states and 27411 transitions. [2022-11-18 20:04:27,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:04:27,906 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 241 [2022-11-18 20:04:27,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:04:27,997 INFO L225 Difference]: With dead ends: 19567 [2022-11-18 20:04:27,997 INFO L226 Difference]: Without dead ends: 13269 [2022-11-18 20:04:28,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:04:28,032 INFO L413 NwaCegarLoop]: 3771 mSDtfsCounter, 6253 mSDsluCounter, 4807 mSDsCounter, 0 mSdLazyCounter, 4400 mSolverCounterSat, 2138 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6917 SdHoareTripleChecker+Valid, 8578 SdHoareTripleChecker+Invalid, 6544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2138 IncrementalHoareTripleChecker+Valid, 4400 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:04:28,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6917 Valid, 8578 Invalid, 6544 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2138 Valid, 4400 Invalid, 6 Unknown, 0 Unchecked, 32.0s Time] [2022-11-18 20:04:28,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13269 states. [2022-11-18 20:04:28,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13269 to 12698. [2022-11-18 20:04:28,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12698 states, 9116 states have (on average 1.3030934620447565) internal successors, (11879), 9384 states have internal predecessors, (11879), 2894 states have call successors, (2894), 672 states have call predecessors, (2894), 685 states have return successors, (2958), 2837 states have call predecessors, (2958), 2890 states have call successors, (2958) [2022-11-18 20:04:28,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12698 states to 12698 states and 17731 transitions. [2022-11-18 20:04:28,836 INFO L78 Accepts]: Start accepts. Automaton has 12698 states and 17731 transitions. Word has length 241 [2022-11-18 20:04:28,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:04:28,837 INFO L495 AbstractCegarLoop]: Abstraction has 12698 states and 17731 transitions. [2022-11-18 20:04:28,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-18 20:04:28,838 INFO L276 IsEmpty]: Start isEmpty. Operand 12698 states and 17731 transitions. [2022-11-18 20:04:28,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-18 20:04:28,843 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:04:28,844 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:28,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:04:28,844 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-18 20:04:28,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:28,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1124626919, now seen corresponding path program 1 times [2022-11-18 20:04:28,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:28,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131160565] [2022-11-18 20:04:28,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:28,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:04:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:04:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:04:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:04:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:04:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:04:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:04:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:04:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:04:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:04:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:04:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:04:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:04:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:04:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:04:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:04:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:04:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 20:04:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 20:04:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-18 20:04:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-18 20:04:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-18 20:04:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:29,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-11-18 20:04:29,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:29,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131160565] [2022-11-18 20:04:29,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131160565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:29,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:04:29,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:04:29,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190023314] [2022-11-18 20:04:29,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:29,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:04:29,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:29,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:04:29,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:04:29,731 INFO L87 Difference]: Start difference. First operand 12698 states and 17731 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-18 20:04:31,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:35,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:37,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:41,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:48,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:04:54,143 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 [] [2022-11-18 20:04:54,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:04:54,788 INFO L93 Difference]: Finished difference Result 38796 states and 54422 transitions. [2022-11-18 20:04:54,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:04:54,790 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 253 [2022-11-18 20:04:54,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:04:54,961 INFO L225 Difference]: With dead ends: 38796 [2022-11-18 20:04:54,961 INFO L226 Difference]: Without dead ends: 26141 [2022-11-18 20:04:55,021 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:04:55,022 INFO L413 NwaCegarLoop]: 4045 mSDtfsCounter, 6123 mSDsluCounter, 5023 mSDsCounter, 0 mSdLazyCounter, 4476 mSolverCounterSat, 2044 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6778 SdHoareTripleChecker+Valid, 9068 SdHoareTripleChecker+Invalid, 6523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2044 IncrementalHoareTripleChecker+Valid, 4476 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:04:55,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6778 Valid, 9068 Invalid, 6523 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2044 Valid, 4476 Invalid, 3 Unknown, 0 Unchecked, 23.9s Time] [2022-11-18 20:04:55,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26141 states. [2022-11-18 20:04:56,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26141 to 25084. [2022-11-18 20:04:56,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25084 states, 18036 states have (on average 1.303226879574185) internal successors, (23505), 18560 states have internal predecessors, (23505), 5678 states have call successors, (5678), 1334 states have call predecessors, (5678), 1367 states have return successors, (5892), 5561 states have call predecessors, (5892), 5674 states have call successors, (5892) [2022-11-18 20:04:56,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25084 states to 25084 states and 35075 transitions. [2022-11-18 20:04:56,415 INFO L78 Accepts]: Start accepts. Automaton has 25084 states and 35075 transitions. Word has length 253 [2022-11-18 20:04:56,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:04:56,419 INFO L495 AbstractCegarLoop]: Abstraction has 25084 states and 35075 transitions. [2022-11-18 20:04:56,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-18 20:04:56,419 INFO L276 IsEmpty]: Start isEmpty. Operand 25084 states and 35075 transitions. [2022-11-18 20:04:56,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-11-18 20:04:56,429 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:04:56,430 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:56,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:04:56,430 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-18 20:04:56,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:56,431 INFO L85 PathProgramCache]: Analyzing trace with hash 726759144, now seen corresponding path program 1 times [2022-11-18 20:04:56,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:56,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481433345] [2022-11-18 20:04:56,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:56,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:04:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:04:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:04:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:04:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:04:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:04:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:04:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:04:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:04:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:04:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:04:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:04:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:04:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:04:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:04:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:04:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:57,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:04:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:58,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:58,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 20:04:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:58,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:58,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 20:04:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:58,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:58,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-18 20:04:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:58,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-18 20:04:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:58,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-11-18 20:04:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:58,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:04:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:58,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 20:04:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:58,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-18 20:04:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:58,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1599 trivial. 0 not checked. [2022-11-18 20:04:58,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:58,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481433345] [2022-11-18 20:04:58,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481433345] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:58,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:04:58,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:04:58,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383257638] [2022-11-18 20:04:58,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:58,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:04:58,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:58,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:04:58,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:04:58,188 INFO L87 Difference]: Start difference. First operand 25084 states and 35075 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-18 20:05:01,756 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 [] [2022-11-18 20:05:06,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:08,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:10,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:12,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:16,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:22,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:24,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:26,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:30,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:55,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:05:57,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:00,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:02,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:04,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:06,460 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 [] [2022-11-18 20:06:07,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:06:07,948 INFO L93 Difference]: Finished difference Result 70124 states and 98815 transitions. [2022-11-18 20:06:07,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 20:06:07,949 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 268 [2022-11-18 20:06:07,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:06:08,191 INFO L225 Difference]: With dead ends: 70124 [2022-11-18 20:06:08,191 INFO L226 Difference]: Without dead ends: 45083 [2022-11-18 20:06:08,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-11-18 20:06:08,285 INFO L413 NwaCegarLoop]: 3900 mSDtfsCounter, 20705 mSDsluCounter, 8306 mSDsCounter, 0 mSdLazyCounter, 13476 mSolverCounterSat, 10152 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21972 SdHoareTripleChecker+Valid, 12206 SdHoareTripleChecker+Invalid, 23640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10152 IncrementalHoareTripleChecker+Valid, 13476 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:06:08,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21972 Valid, 12206 Invalid, 23640 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10152 Valid, 13476 Invalid, 12 Unknown, 0 Unchecked, 67.0s Time] [2022-11-18 20:06:08,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45083 states. [2022-11-18 20:06:10,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45083 to 39783. [2022-11-18 20:06:10,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39783 states, 28430 states have (on average 1.296095673584242) internal successors, (36848), 29287 states have internal predecessors, (36848), 8916 states have call successors, (8916), 2362 states have call predecessors, (8916), 2434 states have return successors, (9170), 8762 states have call predecessors, (9170), 8912 states have call successors, (9170) [2022-11-18 20:06:10,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39783 states to 39783 states and 54934 transitions. [2022-11-18 20:06:10,820 INFO L78 Accepts]: Start accepts. Automaton has 39783 states and 54934 transitions. Word has length 268 [2022-11-18 20:06:10,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:06:10,822 INFO L495 AbstractCegarLoop]: Abstraction has 39783 states and 54934 transitions. [2022-11-18 20:06:10,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-18 20:06:10,822 INFO L276 IsEmpty]: Start isEmpty. Operand 39783 states and 54934 transitions. [2022-11-18 20:06:10,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-11-18 20:06:10,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:06:10,829 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:06:10,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:06:10,830 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-18 20:06:10,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:06:10,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1941028744, now seen corresponding path program 1 times [2022-11-18 20:06:10,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:06:10,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474950524] [2022-11-18 20:06:10,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:06:10,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:06:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:06:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:06:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:06:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:06:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:06:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:06:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:06:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:06:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:06:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:06:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:06:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:06:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:06:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:06:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:06:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:06:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:11,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:12,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:06:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:12,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:12,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 20:06:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:12,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:12,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 20:06:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:12,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:12,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-18 20:06:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:12,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-18 20:06:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:12,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-11-18 20:06:12,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:06:12,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474950524] [2022-11-18 20:06:12,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474950524] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:06:12,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:06:12,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:06:12,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902886812] [2022-11-18 20:06:12,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:06:12,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:06:12,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:06:12,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:06:12,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:06:12,093 INFO L87 Difference]: Start difference. First operand 39783 states and 54934 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-18 20:06:14,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:17,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:19,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:26,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:32,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:34,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:41,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:41,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:06:41,378 INFO L93 Difference]: Finished difference Result 97053 states and 133650 transitions. [2022-11-18 20:06:41,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:06:41,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 264 [2022-11-18 20:06:41,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:06:41,746 INFO L225 Difference]: With dead ends: 97053 [2022-11-18 20:06:41,747 INFO L226 Difference]: Without dead ends: 57313 [2022-11-18 20:06:41,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:06:41,906 INFO L413 NwaCegarLoop]: 3590 mSDtfsCounter, 5326 mSDsluCounter, 4680 mSDsCounter, 0 mSdLazyCounter, 4350 mSolverCounterSat, 1974 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5856 SdHoareTripleChecker+Valid, 8270 SdHoareTripleChecker+Invalid, 6330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1974 IncrementalHoareTripleChecker+Valid, 4350 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:06:41,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5856 Valid, 8270 Invalid, 6330 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1974 Valid, 4350 Invalid, 6 Unknown, 0 Unchecked, 26.5s Time] [2022-11-18 20:06:41,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57313 states. [2022-11-18 20:06:44,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57313 to 54428. [2022-11-18 20:06:44,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54428 states, 38941 states have (on average 1.2892581084204309) internal successors, (50205), 40128 states have internal predecessors, (50205), 11782 states have call successors, (11782), 3585 states have call predecessors, (11782), 3702 states have return successors, (12258), 11533 states have call predecessors, (12258), 11778 states have call successors, (12258) [2022-11-18 20:06:44,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54428 states to 54428 states and 74245 transitions. [2022-11-18 20:06:44,890 INFO L78 Accepts]: Start accepts. Automaton has 54428 states and 74245 transitions. Word has length 264 [2022-11-18 20:06:44,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:06:44,891 INFO L495 AbstractCegarLoop]: Abstraction has 54428 states and 74245 transitions. [2022-11-18 20:06:44,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-18 20:06:44,892 INFO L276 IsEmpty]: Start isEmpty. Operand 54428 states and 74245 transitions. [2022-11-18 20:06:44,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-11-18 20:06:44,898 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:06:44,899 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:06:44,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:06:44,899 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-18 20:06:44,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:06:44,900 INFO L85 PathProgramCache]: Analyzing trace with hash -384315826, now seen corresponding path program 1 times [2022-11-18 20:06:44,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:06:44,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279206720] [2022-11-18 20:06:44,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:06:44,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:06:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:45,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:06:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:45,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:45,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:06:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:45,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:45,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:06:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:45,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:45,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:06:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:45,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:45,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:06:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:45,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:45,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:06:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:45,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:45,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:06:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:06:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:06:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:06:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:06:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:06:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:06:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:06:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:06:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:06:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:06:46,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 20:06:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 20:06:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-18 20:06:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-18 20:06:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-18 20:06:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-18 20:06:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-18 20:06:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:06:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:06:46,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1663 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1656 trivial. 0 not checked. [2022-11-18 20:06:46,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:06:46,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279206720] [2022-11-18 20:06:46,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279206720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:06:46,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:06:46,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:06:46,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514201552] [2022-11-18 20:06:46,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:06:46,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:06:46,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:06:46,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:06:46,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:06:46,295 INFO L87 Difference]: Start difference. First operand 54428 states and 74245 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-18 20:06:48,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:49,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:51,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:53,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:06:56,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:00,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:09,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:11,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:16,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:07:16,520 INFO L93 Difference]: Finished difference Result 160298 states and 220093 transitions. [2022-11-18 20:07:16,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:07:16,520 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 276 [2022-11-18 20:07:16,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:07:17,070 INFO L225 Difference]: With dead ends: 160298 [2022-11-18 20:07:17,071 INFO L226 Difference]: Without dead ends: 105913 [2022-11-18 20:07:17,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:07:17,461 INFO L413 NwaCegarLoop]: 3968 mSDtfsCounter, 6193 mSDsluCounter, 4975 mSDsCounter, 0 mSdLazyCounter, 4500 mSolverCounterSat, 2078 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6869 SdHoareTripleChecker+Valid, 8943 SdHoareTripleChecker+Invalid, 6583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2078 IncrementalHoareTripleChecker+Valid, 4500 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2022-11-18 20:07:17,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6869 Valid, 8943 Invalid, 6583 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2078 Valid, 4500 Invalid, 5 Unknown, 0 Unchecked, 25.6s Time] [2022-11-18 20:07:17,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105913 states. [2022-11-18 20:07:21,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105913 to 100664. [2022-11-18 20:07:21,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100664 states, 71923 states have (on average 1.2903104709202897) internal successors, (92803), 74179 states have internal predecessors, (92803), 22013 states have call successors, (22013), 6522 states have call predecessors, (22013), 6725 states have return successors, (22903), 21484 states have call predecessors, (22903), 22009 states have call successors, (22903) [2022-11-18 20:07:22,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100664 states to 100664 states and 137719 transitions. [2022-11-18 20:07:22,874 INFO L78 Accepts]: Start accepts. Automaton has 100664 states and 137719 transitions. Word has length 276 [2022-11-18 20:07:22,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:07:22,875 INFO L495 AbstractCegarLoop]: Abstraction has 100664 states and 137719 transitions. [2022-11-18 20:07:22,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-18 20:07:22,876 INFO L276 IsEmpty]: Start isEmpty. Operand 100664 states and 137719 transitions. [2022-11-18 20:07:22,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-11-18 20:07:22,882 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:07:22,882 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:07:22,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:07:22,883 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)] === [2022-11-18 20:07:22,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:22,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1369027749, now seen corresponding path program 1 times [2022-11-18 20:07:22,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:22,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241540724] [2022-11-18 20:07:22,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:22,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:07:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:07:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:07:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 20:07:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:07:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:07:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:07:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 20:07:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-18 20:07:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-18 20:07:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-18 20:07:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-18 20:07:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-18 20:07:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-18 20:07:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-18 20:07:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-18 20:07:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-18 20:07:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-18 20:07:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-18 20:07:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-18 20:07:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-18 20:07:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-18 20:07:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-11-18 20:07:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:23,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-18 20:07:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:24,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 20:07:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:24,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-18 20:07:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:24,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-18 20:07:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:24,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-18 20:07:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:24,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1819 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2022-11-18 20:07:24,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:07:24,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241540724] [2022-11-18 20:07:24,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241540724] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:07:24,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:07:24,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:07:24,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405991252] [2022-11-18 20:07:24,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:07:24,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:07:24,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:07:24,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:07:24,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:07:24,038 INFO L87 Difference]: Start difference. First operand 100664 states and 137719 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-18 20:07:25,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:28,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:31,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:33,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:38,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:43,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:50,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:07:52,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:08:00,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:08:00,159 INFO L93 Difference]: Finished difference Result 309453 states and 425313 transitions. [2022-11-18 20:08:00,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:08:00,160 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 293 [2022-11-18 20:08:00,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:08:01,354 INFO L225 Difference]: With dead ends: 309453 [2022-11-18 20:08:01,354 INFO L226 Difference]: Without dead ends: 208888 [2022-11-18 20:08:01,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:08:01,811 INFO L413 NwaCegarLoop]: 5026 mSDtfsCounter, 5903 mSDsluCounter, 5753 mSDsCounter, 0 mSdLazyCounter, 4710 mSolverCounterSat, 1762 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6567 SdHoareTripleChecker+Valid, 10779 SdHoareTripleChecker+Invalid, 6477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1762 IncrementalHoareTripleChecker+Valid, 4710 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:08:01,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6567 Valid, 10779 Invalid, 6477 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1762 Valid, 4710 Invalid, 5 Unknown, 0 Unchecked, 27.3s Time] [2022-11-18 20:08:01,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208888 states.