./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d837e04a-a5a5-49e4-aa23-d466522fbc25/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d837e04a-a5a5-49e4-aa23-d466522fbc25/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d837e04a-a5a5-49e4-aa23-d466522fbc25/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d837e04a-a5a5-49e4-aa23-d466522fbc25/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d837e04a-a5a5-49e4-aa23-d466522fbc25/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d837e04a-a5a5-49e4-aa23-d466522fbc25/bin/uautomizer-verify-WvqO1wxjHP --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 9fae230e52bc983f4c0251cc946bfbc52943e9b9d698b0f694e42af65a9c74e9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:11:11,425 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:11:11,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d837e04a-a5a5-49e4-aa23-d466522fbc25/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:11:11,544 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:11:11,545 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:11:11,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:11:11,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:11:11,581 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:11:11,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:11:11,589 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:11:11,590 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:11:11,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:11:11,591 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:11:11,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:11:11,593 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:11:11,594 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:11:11,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:11:11,595 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:11:11,595 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:11:11,596 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:11:11,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:11:11,597 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:11:11,598 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:11:11,598 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:11:11,599 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:11:11,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:11:11,600 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:11:11,601 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:11:11,601 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:11:11,602 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:11:11,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:11:11,603 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:11:11,604 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:11:11,604 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:11:11,604 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:11:11,605 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:11:11,605 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_d837e04a-a5a5-49e4-aa23-d466522fbc25/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d837e04a-a5a5-49e4-aa23-d466522fbc25/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fae230e52bc983f4c0251cc946bfbc52943e9b9d698b0f694e42af65a9c74e9 [2023-11-06 22:11:11,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:11:11,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:11:11,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:11:11,920 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:11:11,921 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:11:11,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d837e04a-a5a5-49e4-aa23-d466522fbc25/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i [2023-11-06 22:11:15,058 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:11:15,762 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:11:15,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d837e04a-a5a5-49e4-aa23-d466522fbc25/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i [2023-11-06 22:11:15,822 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d837e04a-a5a5-49e4-aa23-d466522fbc25/bin/uautomizer-verify-WvqO1wxjHP/data/9b213b72d/5a6acba1e01a433f939cf620460f8b42/FLAG275e2434c [2023-11-06 22:11:15,841 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d837e04a-a5a5-49e4-aa23-d466522fbc25/bin/uautomizer-verify-WvqO1wxjHP/data/9b213b72d/5a6acba1e01a433f939cf620460f8b42 [2023-11-06 22:11:15,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:11:15,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:11:15,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:11:15,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:11:15,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:11:15,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:11:15" (1/1) ... [2023-11-06 22:11:15,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d27b3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:11:15, skipping insertion in model container [2023-11-06 22:11:15,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:11:15" (1/1) ... [2023-11-06 22:11:16,046 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:11:18,564 WARN L240 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_d837e04a-a5a5-49e4-aa23-d466522fbc25/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292221,292234] [2023-11-06 22:11:18,568 WARN L240 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_d837e04a-a5a5-49e4-aa23-d466522fbc25/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292387,292400] [2023-11-06 22:11:18,569 WARN L240 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_d837e04a-a5a5-49e4-aa23-d466522fbc25/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292551,292564] [2023-11-06 22:11:18,570 WARN L240 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_d837e04a-a5a5-49e4-aa23-d466522fbc25/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292716,292729] [2023-11-06 22:11:18,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:11:18,655 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:11:18,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5267] [2023-11-06 22:11:18,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5274] [2023-11-06 22:11:18,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5281] [2023-11-06 22:11:18,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/d4e00c1/linux-kernel-locking-mutex/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5325-5326] [2023-11-06 22:11:18,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5331-5333] [2023-11-06 22:11:18,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5529-5530] [2023-11-06 22:11:18,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5563-5564] [2023-11-06 22:11:18,922 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7915] [2023-11-06 22:11:19,065 WARN L240 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_d837e04a-a5a5-49e4-aa23-d466522fbc25/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292221,292234] [2023-11-06 22:11:19,066 WARN L240 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_d837e04a-a5a5-49e4-aa23-d466522fbc25/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292387,292400] [2023-11-06 22:11:19,067 WARN L240 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_d837e04a-a5a5-49e4-aa23-d466522fbc25/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292551,292564] [2023-11-06 22:11:19,068 WARN L240 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_d837e04a-a5a5-49e4-aa23-d466522fbc25/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292716,292729] [2023-11-06 22:11:19,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:11:19,289 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:11:19,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:11:19 WrapperNode [2023-11-06 22:11:19,290 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:11:19,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:11:19,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:11:19,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:11:19,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:11:19" (1/1) ... [2023-11-06 22:11:19,438 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:11:19" (1/1) ... [2023-11-06 22:11:19,679 INFO L138 Inliner]: procedures = 357, calls = 1584, calls flagged for inlining = 198, calls inlined = 187, statements flattened = 4774 [2023-11-06 22:11:19,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:11:19,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:11:19,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:11:19,682 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:11:19,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:11:19" (1/1) ... [2023-11-06 22:11:19,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:11:19" (1/1) ... [2023-11-06 22:11:19,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:11:19" (1/1) ... [2023-11-06 22:11:19,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:11:19" (1/1) ... [2023-11-06 22:11:19,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:11:19" (1/1) ... [2023-11-06 22:11:19,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:11:19" (1/1) ... [2023-11-06 22:11:19,946 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:11:19" (1/1) ... [2023-11-06 22:11:19,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:11:19" (1/1) ... [2023-11-06 22:11:20,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:11:20,010 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:11:20,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:11:20,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:11:20,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:11:19" (1/1) ... [2023-11-06 22:11:20,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:11:20,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d837e04a-a5a5-49e4-aa23-d466522fbc25/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:11:20,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d837e04a-a5a5-49e4-aa23-d466522fbc25/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:11:20,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d837e04a-a5a5-49e4-aa23-d466522fbc25/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:11:20,095 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2023-11-06 22:11:20,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2023-11-06 22:11:20,098 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-06 22:11:20,098 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-06 22:11:20,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 22:11:20,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 22:11:20,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 22:11:20,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 22:11:20,099 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-06 22:11:20,099 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-06 22:11:20,099 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2023-11-06 22:11:20,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2023-11-06 22:11:20,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-06 22:11:20,100 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-06 22:11:20,100 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-06 22:11:20,100 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-06 22:11:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 22:11:20,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 22:11:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mii_mutex_of_ipg_nic_private [2023-11-06 22:11:20,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mii_mutex_of_ipg_nic_private [2023-11-06 22:11:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-06 22:11:20,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-06 22:11:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-06 22:11:20,102 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-06 22:11:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2023-11-06 22:11:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2023-11-06 22:11:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-06 22:11:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-06 22:11:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-06 22:11:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-06 22:11:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-06 22:11:20,104 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-06 22:11:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2023-11-06 22:11:20,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2023-11-06 22:11:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-06 22:11:20,104 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-06 22:11:20,105 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-06 22:11:20,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-06 22:11:20,105 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-06 22:11:20,105 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-06 22:11:20,105 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-06 22:11:20,105 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-06 22:11:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-06 22:11:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-06 22:11:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2023-11-06 22:11:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2023-11-06 22:11:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2023-11-06 22:11:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2023-11-06 22:11:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2023-11-06 22:11:20,107 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2023-11-06 22:11:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:11:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-06 22:11:20,107 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-06 22:11:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2023-11-06 22:11:20,108 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2023-11-06 22:11:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:11:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-06 22:11:20,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-06 22:11:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-06 22:11:20,109 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-06 22:11:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-06 22:11:20,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-06 22:11:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-06 22:11:20,109 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-06 22:11:20,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-06 22:11:20,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-06 22:11:20,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-06 22:11:20,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-06 22:11:20,110 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2023-11-06 22:11:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2023-11-06 22:11:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-06 22:11:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-06 22:11:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2023-11-06 22:11:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2023-11-06 22:11:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:11:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:11:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 22:11:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 22:11:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-06 22:11:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2023-11-06 22:11:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2023-11-06 22:11:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2023-11-06 22:11:20,113 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-06 22:11:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-06 22:11:20,113 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_remove [2023-11-06 22:11:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_remove [2023-11-06 22:11:20,113 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-06 22:11:20,114 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-06 22:11:20,114 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-06 22:11:20,114 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-06 22:11:20,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-06 22:11:20,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-06 22:11:20,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-06 22:11:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-06 22:11:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 22:11:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-06 22:11:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-06 22:11:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-06 22:11:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-06 22:11:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2023-11-06 22:11:20,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2023-11-06 22:11:20,116 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2023-11-06 22:11:20,116 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2023-11-06 22:11:20,116 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2023-11-06 22:11:20,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2023-11-06 22:11:20,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 22:11:20,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-06 22:11:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-06 22:11:20,117 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-11-06 22:11:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-11-06 22:11:20,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:11:20,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-06 22:11:20,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-06 22:11:20,118 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-06 22:11:20,118 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-06 22:11:20,118 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-06 22:11:20,118 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-06 22:11:20,118 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-06 22:11:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-06 22:11:20,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 22:11:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 22:11:20,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-06 22:11:20,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-06 22:11:20,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-06 22:11:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-06 22:11:20,120 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-06 22:11:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-06 22:11:20,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-06 22:11:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-06 22:11:20,120 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-06 22:11:20,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-06 22:11:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-06 22:11:20,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-06 22:11:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-06 22:11:20,181 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-06 22:11:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:11:20,181 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-06 22:11:20,182 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-06 22:11:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-11-06 22:11:20,182 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-11-06 22:11:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 22:11:20,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 22:11:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2023-11-06 22:11:20,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2023-11-06 22:11:20,182 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nway_reset [2023-11-06 22:11:20,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nway_reset [2023-11-06 22:11:20,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mii_mutex_of_ipg_nic_private [2023-11-06 22:11:20,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mii_mutex_of_ipg_nic_private [2023-11-06 22:11:20,183 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2023-11-06 22:11:20,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2023-11-06 22:11:20,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:11:20,183 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2023-11-06 22:11:20,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2023-11-06 22:11:20,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-06 22:11:20,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-06 22:11:20,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-06 22:11:20,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-06 22:11:20,184 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2023-11-06 22:11:20,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2023-11-06 22:11:20,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:11:20,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-06 22:11:20,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-06 22:11:20,184 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-06 22:11:20,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-06 22:11:20,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:11:20,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ipg_pci_driver_exit_13_2 [2023-11-06 22:11:20,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ipg_pci_driver_exit_13_2 [2023-11-06 22:11:20,185 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-06 22:11:20,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-06 22:11:20,185 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 22:11:20,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 22:11:20,185 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2023-11-06 22:11:20,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2023-11-06 22:11:20,185 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-06 22:11:20,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-06 22:11:20,186 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-06 22:11:20,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-06 22:11:20,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-06 22:11:20,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-06 22:11:20,186 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2023-11-06 22:11:20,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2023-11-06 22:11:20,186 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-06 22:11:20,186 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-06 22:11:20,186 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-06 22:11:20,186 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-06 22:11:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-06 22:11:20,187 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-06 22:11:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-06 22:11:20,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-06 22:11:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2023-11-06 22:11:20,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2023-11-06 22:11:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2023-11-06 22:11:20,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2023-11-06 22:11:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-11-06 22:11:20,187 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-11-06 22:11:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2023-11-06 22:11:20,188 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2023-11-06 22:11:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-06 22:11:20,188 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-06 22:11:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-06 22:11:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:11:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2023-11-06 22:11:20,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2023-11-06 22:11:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-06 22:11:20,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-06 22:11:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2023-11-06 22:11:20,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2023-11-06 22:11:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-06 22:11:20,189 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-06 22:11:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:11:20,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:11:21,005 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:11:21,010 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:11:22,478 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 22:11:26,416 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-06 22:11:26,536 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:11:26,572 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:11:26,572 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:11:26,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:11:26 BoogieIcfgContainer [2023-11-06 22:11:26,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:11:26,582 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:11:26,582 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:11:26,586 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:11:26,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:11:15" (1/3) ... [2023-11-06 22:11:26,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf5c176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:11:26, skipping insertion in model container [2023-11-06 22:11:26,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:11:19" (2/3) ... [2023-11-06 22:11:26,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf5c176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:11:26, skipping insertion in model container [2023-11-06 22:11:26,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:11:26" (3/3) ... [2023-11-06 22:11:26,591 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i [2023-11-06 22:11:26,612 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:11:26,613 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-06 22:11:26,741 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:11:26,752 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;@416e9db9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:11:26,752 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-06 22:11:26,768 INFO L276 IsEmpty]: Start isEmpty. Operand has 1948 states, 1392 states have (on average 1.3469827586206897) internal successors, (1875), 1422 states have internal predecessors, (1875), 459 states have call successors, (459), 97 states have call predecessors, (459), 96 states have return successors, (453), 450 states have call predecessors, (453), 453 states have call successors, (453) [2023-11-06 22:11:26,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-06 22:11:26,790 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:11:26,791 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:11:26,792 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:11:26,799 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:26,800 INFO L85 PathProgramCache]: Analyzing trace with hash -222891363, now seen corresponding path program 1 times [2023-11-06 22:11:26,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:11:26,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649870420] [2023-11-06 22:11:26,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:26,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:11:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:27,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:11:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:27,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:27,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:11:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:27,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:27,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:11:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:27,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:27,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:11:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:27,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:27,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:11:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:27,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:27,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:11:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:27,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:27,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:11:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:27,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:27,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:11:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:27,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:27,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:11:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:28,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-06 22:11:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-06 22:11:28,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:11:28,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649870420] [2023-11-06 22:11:28,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649870420] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:28,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:28,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:11:28,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701427242] [2023-11-06 22:11:28,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:28,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:11:28,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:11:28,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:11:28,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:11:28,088 INFO L87 Difference]: Start difference. First operand has 1948 states, 1392 states have (on average 1.3469827586206897) internal successors, (1875), 1422 states have internal predecessors, (1875), 459 states have call successors, (459), 97 states have call predecessors, (459), 96 states have return successors, (453), 450 states have call predecessors, (453), 453 states have call successors, (453) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-06 22:11:34,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:11:34,710 INFO L93 Difference]: Finished difference Result 5852 states and 8615 transitions. [2023-11-06 22:11:34,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:11:34,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 116 [2023-11-06 22:11:34,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:11:34,768 INFO L225 Difference]: With dead ends: 5852 [2023-11-06 22:11:34,768 INFO L226 Difference]: Without dead ends: 3915 [2023-11-06 22:11:34,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:11:34,796 INFO L413 NwaCegarLoop]: 1764 mSDtfsCounter, 3847 mSDsluCounter, 2580 mSDsCounter, 0 mSdLazyCounter, 2518 mSolverCounterSat, 1304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4257 SdHoareTripleChecker+Valid, 4344 SdHoareTripleChecker+Invalid, 3822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1304 IncrementalHoareTripleChecker+Valid, 2518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:11:34,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4257 Valid, 4344 Invalid, 3822 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1304 Valid, 2518 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-11-06 22:11:34,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3915 states. [2023-11-06 22:11:35,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3915 to 3763. [2023-11-06 22:11:35,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3763 states, 2702 states have (on average 1.3208734270910436) internal successors, (3569), 2759 states have internal predecessors, (3569), 870 states have call successors, (870), 189 states have call predecessors, (870), 188 states have return successors, (866), 860 states have call predecessors, (866), 866 states have call successors, (866) [2023-11-06 22:11:35,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3763 states to 3763 states and 5305 transitions. [2023-11-06 22:11:35,142 INFO L78 Accepts]: Start accepts. Automaton has 3763 states and 5305 transitions. Word has length 116 [2023-11-06 22:11:35,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:11:35,144 INFO L495 AbstractCegarLoop]: Abstraction has 3763 states and 5305 transitions. [2023-11-06 22:11:35,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-06 22:11:35,144 INFO L276 IsEmpty]: Start isEmpty. Operand 3763 states and 5305 transitions. [2023-11-06 22:11:35,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-06 22:11:35,150 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:11:35,150 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:11:35,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:11:35,151 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:11:35,151 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:35,152 INFO L85 PathProgramCache]: Analyzing trace with hash -2089971302, now seen corresponding path program 1 times [2023-11-06 22:11:35,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:11:35,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54559505] [2023-11-06 22:11:35,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:35,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:11:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:35,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:11:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:35,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:35,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:11:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:35,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:35,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:11:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:35,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:35,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:11:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:35,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:35,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:11:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:35,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:35,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:11:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:35,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:35,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:11:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:35,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:35,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:11:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:35,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:35,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:11:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:35,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-06 22:11:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:35,614 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-06 22:11:35,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:11:35,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54559505] [2023-11-06 22:11:35,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54559505] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:35,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:35,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:11:35,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276792519] [2023-11-06 22:11:35,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:35,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:11:35,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:11:35,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:11:35,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:11:35,623 INFO L87 Difference]: Start difference. First operand 3763 states and 5305 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-06 22:11:41,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:11:41,986 INFO L93 Difference]: Finished difference Result 11207 states and 15861 transitions. [2023-11-06 22:11:41,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:11:41,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 117 [2023-11-06 22:11:41,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:11:42,061 INFO L225 Difference]: With dead ends: 11207 [2023-11-06 22:11:42,062 INFO L226 Difference]: Without dead ends: 7465 [2023-11-06 22:11:42,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:11:42,085 INFO L413 NwaCegarLoop]: 1763 mSDtfsCounter, 3643 mSDsluCounter, 2562 mSDsCounter, 0 mSdLazyCounter, 2507 mSolverCounterSat, 1298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4034 SdHoareTripleChecker+Valid, 4325 SdHoareTripleChecker+Invalid, 3805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1298 IncrementalHoareTripleChecker+Valid, 2507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:11:42,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4034 Valid, 4325 Invalid, 3805 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1298 Valid, 2507 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-11-06 22:11:42,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7465 states. [2023-11-06 22:11:42,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7465 to 7148. [2023-11-06 22:11:42,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7148 states, 5113 states have (on average 1.3221200860551536) internal successors, (6760), 5223 states have internal predecessors, (6760), 1661 states have call successors, (1661), 374 states have call predecessors, (1661), 371 states have return successors, (1659), 1636 states have call predecessors, (1659), 1657 states have call successors, (1659) [2023-11-06 22:11:42,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7148 states to 7148 states and 10080 transitions. [2023-11-06 22:11:42,624 INFO L78 Accepts]: Start accepts. Automaton has 7148 states and 10080 transitions. Word has length 117 [2023-11-06 22:11:42,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:11:42,625 INFO L495 AbstractCegarLoop]: Abstraction has 7148 states and 10080 transitions. [2023-11-06 22:11:42,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-06 22:11:42,626 INFO L276 IsEmpty]: Start isEmpty. Operand 7148 states and 10080 transitions. [2023-11-06 22:11:42,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-06 22:11:42,629 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:11:42,630 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:11:42,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:11:42,630 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:11:42,631 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:42,631 INFO L85 PathProgramCache]: Analyzing trace with hash -83179531, now seen corresponding path program 1 times [2023-11-06 22:11:42,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:11:42,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707270949] [2023-11-06 22:11:42,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:42,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:11:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:42,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:11:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:42,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:42,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:11:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:42,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:43,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:11:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:43,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:43,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:11:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:43,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:43,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:11:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:43,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:43,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:11:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:43,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:43,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:11:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:43,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:43,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:11:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:43,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:43,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:11:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:43,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-11-06 22:11:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:43,135 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-06 22:11:43,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:11:43,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707270949] [2023-11-06 22:11:43,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707270949] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:43,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:43,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:11:43,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7255406] [2023-11-06 22:11:43,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:43,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:11:43,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:11:43,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:11:43,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:11:43,140 INFO L87 Difference]: Start difference. First operand 7148 states and 10080 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-06 22:11:49,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:11:49,136 INFO L93 Difference]: Finished difference Result 14323 states and 20313 transitions. [2023-11-06 22:11:49,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:11:49,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 128 [2023-11-06 22:11:49,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:11:49,196 INFO L225 Difference]: With dead ends: 14323 [2023-11-06 22:11:49,196 INFO L226 Difference]: Without dead ends: 7196 [2023-11-06 22:11:49,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:11:49,227 INFO L413 NwaCegarLoop]: 2192 mSDtfsCounter, 2923 mSDsluCounter, 2810 mSDsCounter, 0 mSdLazyCounter, 2920 mSolverCounterSat, 913 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3254 SdHoareTripleChecker+Valid, 5002 SdHoareTripleChecker+Invalid, 3833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 913 IncrementalHoareTripleChecker+Valid, 2920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:11:49,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3254 Valid, 5002 Invalid, 3833 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [913 Valid, 2920 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-11-06 22:11:49,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7196 states. [2023-11-06 22:11:49,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7196 to 6906. [2023-11-06 22:11:49,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6906 states, 4998 states have (on average 1.334733893557423) internal successors, (6671), 5099 states have internal predecessors, (6671), 1548 states have call successors, (1548), 361 states have call predecessors, (1548), 357 states have return successors, (1545), 1522 states have call predecessors, (1545), 1544 states have call successors, (1545) [2023-11-06 22:11:49,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6906 states to 6906 states and 9764 transitions. [2023-11-06 22:11:49,659 INFO L78 Accepts]: Start accepts. Automaton has 6906 states and 9764 transitions. Word has length 128 [2023-11-06 22:11:49,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:11:49,660 INFO L495 AbstractCegarLoop]: Abstraction has 6906 states and 9764 transitions. [2023-11-06 22:11:49,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-06 22:11:49,661 INFO L276 IsEmpty]: Start isEmpty. Operand 6906 states and 9764 transitions. [2023-11-06 22:11:49,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-06 22:11:49,667 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:11:49,668 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 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] [2023-11-06 22:11:49,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:11:49,668 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:11:49,669 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:49,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1549655287, now seen corresponding path program 1 times [2023-11-06 22:11:49,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:11:49,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845097871] [2023-11-06 22:11:49,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:49,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:11:49,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:11:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:11:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:11:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:11:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:11:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:11:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:11:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:11:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:11:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:11:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:11:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-06 22:11:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-06 22:11:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-06 22:11:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-06 22:11:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-06 22:11:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:50,223 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2023-11-06 22:11:50,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:11:50,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845097871] [2023-11-06 22:11:50,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845097871] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:50,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:50,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:11:50,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755650936] [2023-11-06 22:11:50,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:50,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:11:50,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:11:50,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:11:50,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:11:50,227 INFO L87 Difference]: Start difference. First operand 6906 states and 9764 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-06 22:11:56,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:11:56,103 INFO L93 Difference]: Finished difference Result 19151 states and 27153 transitions. [2023-11-06 22:11:56,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:11:56,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 172 [2023-11-06 22:11:56,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:11:56,202 INFO L225 Difference]: With dead ends: 19151 [2023-11-06 22:11:56,202 INFO L226 Difference]: Without dead ends: 13158 [2023-11-06 22:11:56,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:11:56,360 INFO L413 NwaCegarLoop]: 2612 mSDtfsCounter, 3385 mSDsluCounter, 3119 mSDsCounter, 0 mSdLazyCounter, 3126 mSolverCounterSat, 1011 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3788 SdHoareTripleChecker+Valid, 5731 SdHoareTripleChecker+Invalid, 4137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1011 IncrementalHoareTripleChecker+Valid, 3126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:11:56,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3788 Valid, 5731 Invalid, 4137 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1011 Valid, 3126 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-11-06 22:11:56,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13158 states. [2023-11-06 22:11:57,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13158 to 12640. [2023-11-06 22:11:57,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12640 states, 9158 states have (on average 1.3341340904127539) internal successors, (12218), 9335 states have internal predecessors, (12218), 2824 states have call successors, (2824), 660 states have call predecessors, (2824), 655 states have return successors, (2822), 2789 states have call predecessors, (2822), 2820 states have call successors, (2822) [2023-11-06 22:11:57,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12640 states to 12640 states and 17864 transitions. [2023-11-06 22:11:57,169 INFO L78 Accepts]: Start accepts. Automaton has 12640 states and 17864 transitions. Word has length 172 [2023-11-06 22:11:57,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:11:57,171 INFO L495 AbstractCegarLoop]: Abstraction has 12640 states and 17864 transitions. [2023-11-06 22:11:57,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2023-11-06 22:11:57,172 INFO L276 IsEmpty]: Start isEmpty. Operand 12640 states and 17864 transitions. [2023-11-06 22:11:57,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-06 22:11:57,177 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:11:57,177 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 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] [2023-11-06 22:11:57,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:11:57,178 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:11:57,178 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:11:57,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1409106677, now seen corresponding path program 1 times [2023-11-06 22:11:57,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:11:57,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736110464] [2023-11-06 22:11:57,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:11:57,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:11:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:57,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:11:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:57,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:57,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:11:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:57,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:57,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:11:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:57,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:57,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:11:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:57,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:58,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:11:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:58,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:58,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:11:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:58,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:58,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:11:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:58,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:58,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:11:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:58,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:58,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:11:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:58,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:11:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:58,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:11:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:58,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-06 22:11:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:58,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-06 22:11:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:58,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:11:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:58,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-06 22:11:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:58,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-06 22:11:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:58,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-06 22:11:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:11:58,182 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2023-11-06 22:11:58,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:11:58,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736110464] [2023-11-06 22:11:58,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736110464] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:11:58,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:11:58,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:11:58,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496609551] [2023-11-06 22:11:58,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:11:58,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:11:58,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:11:58,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:11:58,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:11:58,185 INFO L87 Difference]: Start difference. First operand 12640 states and 17864 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-06 22:12:03,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:12:03,043 INFO L93 Difference]: Finished difference Result 13160 states and 18679 transitions. [2023-11-06 22:12:03,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:12:03,043 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 172 [2023-11-06 22:12:03,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:12:03,110 INFO L225 Difference]: With dead ends: 13160 [2023-11-06 22:12:03,111 INFO L226 Difference]: Without dead ends: 13158 [2023-11-06 22:12:03,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:12:03,120 INFO L413 NwaCegarLoop]: 1751 mSDtfsCounter, 2981 mSDsluCounter, 4127 mSDsCounter, 0 mSdLazyCounter, 3649 mSolverCounterSat, 991 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3226 SdHoareTripleChecker+Valid, 5878 SdHoareTripleChecker+Invalid, 4640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 991 IncrementalHoareTripleChecker+Valid, 3649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:12:03,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3226 Valid, 5878 Invalid, 4640 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [991 Valid, 3649 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-06 22:12:03,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13158 states. [2023-11-06 22:12:03,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13158 to 12644. [2023-11-06 22:12:03,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12644 states, 9161 states have (on average 1.3340246697958738) internal successors, (12221), 9338 states have internal predecessors, (12221), 2824 states have call successors, (2824), 661 states have call predecessors, (2824), 656 states have return successors, (2822), 2789 states have call predecessors, (2822), 2820 states have call successors, (2822) [2023-11-06 22:12:03,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12644 states to 12644 states and 17867 transitions. [2023-11-06 22:12:03,890 INFO L78 Accepts]: Start accepts. Automaton has 12644 states and 17867 transitions. Word has length 172 [2023-11-06 22:12:03,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:12:03,891 INFO L495 AbstractCegarLoop]: Abstraction has 12644 states and 17867 transitions. [2023-11-06 22:12:03,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-06 22:12:03,891 INFO L276 IsEmpty]: Start isEmpty. Operand 12644 states and 17867 transitions. [2023-11-06 22:12:03,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-06 22:12:03,898 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:12:03,898 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:12:03,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:12:03,899 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:12:03,899 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:12:03,899 INFO L85 PathProgramCache]: Analyzing trace with hash 159985618, now seen corresponding path program 1 times [2023-11-06 22:12:03,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:12:03,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764874442] [2023-11-06 22:12:03,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:12:03,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:12:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:12:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:12:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:12:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:12:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:12:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:12:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:12:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:12:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:12:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:12:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:12:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-06 22:12:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-06 22:12:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-06 22:12:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:04,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-06 22:12:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:05,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-06 22:12:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:05,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-06 22:12:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:05,024 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2023-11-06 22:12:05,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:12:05,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764874442] [2023-11-06 22:12:05,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764874442] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:12:05,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:12:05,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:12:05,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144079106] [2023-11-06 22:12:05,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:12:05,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:12:05,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:12:05,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:12:05,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:12:05,027 INFO L87 Difference]: Start difference. First operand 12644 states and 17867 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-06 22:12:09,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:12:09,872 INFO L93 Difference]: Finished difference Result 13164 states and 18682 transitions. [2023-11-06 22:12:09,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:12:09,872 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 177 [2023-11-06 22:12:09,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:12:09,940 INFO L225 Difference]: With dead ends: 13164 [2023-11-06 22:12:09,940 INFO L226 Difference]: Without dead ends: 13162 [2023-11-06 22:12:09,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:12:09,949 INFO L413 NwaCegarLoop]: 1750 mSDtfsCounter, 2974 mSDsluCounter, 4124 mSDsCounter, 0 mSdLazyCounter, 3652 mSolverCounterSat, 990 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3221 SdHoareTripleChecker+Valid, 5874 SdHoareTripleChecker+Invalid, 4642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 990 IncrementalHoareTripleChecker+Valid, 3652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:12:09,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3221 Valid, 5874 Invalid, 4642 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [990 Valid, 3652 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-06 22:12:09,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13162 states. [2023-11-06 22:12:10,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13162 to 12648. [2023-11-06 22:12:10,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12648 states, 9164 states have (on average 1.3339153208206023) internal successors, (12224), 9341 states have internal predecessors, (12224), 2824 states have call successors, (2824), 662 states have call predecessors, (2824), 657 states have return successors, (2822), 2789 states have call predecessors, (2822), 2820 states have call successors, (2822) [2023-11-06 22:12:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12648 states to 12648 states and 17870 transitions. [2023-11-06 22:12:10,817 INFO L78 Accepts]: Start accepts. Automaton has 12648 states and 17870 transitions. Word has length 177 [2023-11-06 22:12:10,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:12:10,818 INFO L495 AbstractCegarLoop]: Abstraction has 12648 states and 17870 transitions. [2023-11-06 22:12:10,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-06 22:12:10,818 INFO L276 IsEmpty]: Start isEmpty. Operand 12648 states and 17870 transitions. [2023-11-06 22:12:10,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-06 22:12:10,825 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:12:10,825 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:12:10,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:12:10,826 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:12:10,826 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:12:10,827 INFO L85 PathProgramCache]: Analyzing trace with hash 199981355, now seen corresponding path program 1 times [2023-11-06 22:12:10,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:12:10,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637939688] [2023-11-06 22:12:10,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:12:10,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:12:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:12:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:12:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:12:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:12:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:12:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:12:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:12:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:12:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:12:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:12:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:12:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-06 22:12:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-06 22:12:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-06 22:12:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-06 22:12:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-06 22:12:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-06 22:12:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-11-06 22:12:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:11,738 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2023-11-06 22:12:11,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:12:11,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637939688] [2023-11-06 22:12:11,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637939688] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:12:11,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:12:11,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:12:11,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662492194] [2023-11-06 22:12:11,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:12:11,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:12:11,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:12:11,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:12:11,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:12:11,741 INFO L87 Difference]: Start difference. First operand 12648 states and 17870 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 22:12:16,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:12:16,691 INFO L93 Difference]: Finished difference Result 13168 states and 18685 transitions. [2023-11-06 22:12:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:12:16,692 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 182 [2023-11-06 22:12:16,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:12:16,754 INFO L225 Difference]: With dead ends: 13168 [2023-11-06 22:12:16,754 INFO L226 Difference]: Without dead ends: 13164 [2023-11-06 22:12:16,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:12:16,764 INFO L413 NwaCegarLoop]: 1751 mSDtfsCounter, 2954 mSDsluCounter, 4137 mSDsCounter, 0 mSdLazyCounter, 3669 mSolverCounterSat, 988 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3193 SdHoareTripleChecker+Valid, 5888 SdHoareTripleChecker+Invalid, 4657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 988 IncrementalHoareTripleChecker+Valid, 3669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:12:16,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3193 Valid, 5888 Invalid, 4657 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [988 Valid, 3669 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-06 22:12:16,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2023-11-06 22:12:17,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 12650. [2023-11-06 22:12:17,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12650 states, 9166 states have (on average 1.3337333624263583) internal successors, (12225), 9342 states have internal predecessors, (12225), 2824 states have call successors, (2824), 663 states have call predecessors, (2824), 657 states have return successors, (2822), 2789 states have call predecessors, (2822), 2820 states have call successors, (2822) [2023-11-06 22:12:17,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12650 states to 12650 states and 17871 transitions. [2023-11-06 22:12:17,722 INFO L78 Accepts]: Start accepts. Automaton has 12650 states and 17871 transitions. Word has length 182 [2023-11-06 22:12:17,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:12:17,723 INFO L495 AbstractCegarLoop]: Abstraction has 12650 states and 17871 transitions. [2023-11-06 22:12:17,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-06 22:12:17,724 INFO L276 IsEmpty]: Start isEmpty. Operand 12650 states and 17871 transitions. [2023-11-06 22:12:17,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-11-06 22:12:17,737 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:12:17,738 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 3, 3, 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] [2023-11-06 22:12:17,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:12:17,738 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:12:17,739 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:12:17,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1261921333, now seen corresponding path program 1 times [2023-11-06 22:12:17,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:12:17,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345760863] [2023-11-06 22:12:17,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:12:17,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:12:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:17,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:12:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:17,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:17,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:12:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:17,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:17,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:12:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:17,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:17,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:12:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:12:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:12:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:12:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:12:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:12:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:12:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:12:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-06 22:12:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-06 22:12:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-06 22:12:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-06 22:12:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 22:12:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-06 22:12:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:12:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-06 22:12:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-06 22:12:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-11-06 22:12:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:18,168 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2023-11-06 22:12:18,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:12:18,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345760863] [2023-11-06 22:12:18,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345760863] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:12:18,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:12:18,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:12:18,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640074073] [2023-11-06 22:12:18,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:12:18,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:12:18,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:12:18,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:12:18,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:12:18,172 INFO L87 Difference]: Start difference. First operand 12650 states and 17871 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-06 22:12:29,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:12:30,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:12:34,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:12:37,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:12:38,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:12:38,682 INFO L93 Difference]: Finished difference Result 30906 states and 43773 transitions. [2023-11-06 22:12:38,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:12:38,682 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 198 [2023-11-06 22:12:38,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:12:38,766 INFO L225 Difference]: With dead ends: 30906 [2023-11-06 22:12:38,766 INFO L226 Difference]: Without dead ends: 19169 [2023-11-06 22:12:38,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:12:38,812 INFO L413 NwaCegarLoop]: 2279 mSDtfsCounter, 3951 mSDsluCounter, 3906 mSDsCounter, 0 mSdLazyCounter, 6456 mSolverCounterSat, 1763 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4222 SdHoareTripleChecker+Valid, 6185 SdHoareTripleChecker+Invalid, 8219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1763 IncrementalHoareTripleChecker+Valid, 6456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:12:38,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4222 Valid, 6185 Invalid, 8219 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1763 Valid, 6456 Invalid, 0 Unknown, 0 Unchecked, 18.7s Time] [2023-11-06 22:12:38,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19169 states. [2023-11-06 22:12:40,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19169 to 18388. [2023-11-06 22:12:40,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18388 states, 13330 states have (on average 1.3335333833458365) internal successors, (17776), 13582 states have internal predecessors, (17776), 4100 states have call successors, (4100), 962 states have call predecessors, (4100), 955 states have return successors, (4099), 4056 states have call predecessors, (4099), 4096 states have call successors, (4099) [2023-11-06 22:12:40,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18388 states to 18388 states and 25975 transitions. [2023-11-06 22:12:40,802 INFO L78 Accepts]: Start accepts. Automaton has 18388 states and 25975 transitions. Word has length 198 [2023-11-06 22:12:40,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:12:40,804 INFO L495 AbstractCegarLoop]: Abstraction has 18388 states and 25975 transitions. [2023-11-06 22:12:40,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2023-11-06 22:12:40,805 INFO L276 IsEmpty]: Start isEmpty. Operand 18388 states and 25975 transitions. [2023-11-06 22:12:40,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-06 22:12:40,812 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:12:40,813 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 3, 3, 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] [2023-11-06 22:12:40,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:12:40,813 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:12:40,813 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:12:40,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1619736370, now seen corresponding path program 1 times [2023-11-06 22:12:40,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:12:40,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939064298] [2023-11-06 22:12:40,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:12:40,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:12:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:12:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:12:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:12:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:12:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:12:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:12:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:12:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:12:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:12:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:12:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:12:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-06 22:12:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-06 22:12:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-06 22:12:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-06 22:12:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-06 22:12:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-06 22:12:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-11-06 22:12:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-06 22:12:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:41,598 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2023-11-06 22:12:41,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:12:41,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939064298] [2023-11-06 22:12:41,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939064298] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:12:41,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:12:41,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:12:41,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574608067] [2023-11-06 22:12:41,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:12:41,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:12:41,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:12:41,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:12:41,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:12:41,602 INFO L87 Difference]: Start difference. First operand 18388 states and 25975 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-06 22:12:47,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:12:47,492 INFO L93 Difference]: Finished difference Result 19145 states and 27164 transitions. [2023-11-06 22:12:47,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:12:47,493 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 187 [2023-11-06 22:12:47,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:12:47,582 INFO L225 Difference]: With dead ends: 19145 [2023-11-06 22:12:47,582 INFO L226 Difference]: Without dead ends: 18123 [2023-11-06 22:12:47,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:12:47,594 INFO L413 NwaCegarLoop]: 1758 mSDtfsCounter, 2960 mSDsluCounter, 4141 mSDsCounter, 0 mSdLazyCounter, 3647 mSolverCounterSat, 987 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3206 SdHoareTripleChecker+Valid, 5899 SdHoareTripleChecker+Invalid, 4634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 987 IncrementalHoareTripleChecker+Valid, 3647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:12:47,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3206 Valid, 5899 Invalid, 4634 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [987 Valid, 3647 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-06 22:12:47,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18123 states. [2023-11-06 22:12:49,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18123 to 17394. [2023-11-06 22:12:49,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17394 states, 12606 states have (on average 1.3317467872441695) internal successors, (16788), 12837 states have internal predecessors, (16788), 3882 states have call successors, (3882), 907 states have call predecessors, (3882), 904 states have return successors, (3885), 3853 states have call predecessors, (3885), 3882 states have call successors, (3885) [2023-11-06 22:12:49,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17394 states to 17394 states and 24555 transitions. [2023-11-06 22:12:49,569 INFO L78 Accepts]: Start accepts. Automaton has 17394 states and 24555 transitions. Word has length 187 [2023-11-06 22:12:49,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:12:49,570 INFO L495 AbstractCegarLoop]: Abstraction has 17394 states and 24555 transitions. [2023-11-06 22:12:49,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-06 22:12:49,571 INFO L276 IsEmpty]: Start isEmpty. Operand 17394 states and 24555 transitions. [2023-11-06 22:12:49,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-06 22:12:49,579 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:12:49,579 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2023-11-06 22:12:49,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:12:49,580 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:12:49,580 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:12:49,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1231060234, now seen corresponding path program 1 times [2023-11-06 22:12:49,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:12:49,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995850888] [2023-11-06 22:12:49,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:12:49,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:12:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:12:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:12:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:12:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:12:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:12:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:12:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:12:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:12:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:12:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:12:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:12:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-06 22:12:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-06 22:12:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:50,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-06 22:12:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:50,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:50,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-06 22:12:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:50,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 22:12:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:50,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-06 22:12:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:50,052 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2023-11-06 22:12:50,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:12:50,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995850888] [2023-11-06 22:12:50,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995850888] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:12:50,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:12:50,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:12:50,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780896636] [2023-11-06 22:12:50,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:12:50,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:12:50,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:12:50,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:12:50,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:12:50,055 INFO L87 Difference]: Start difference. First operand 17394 states and 24555 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-06 22:12:57,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:12:57,308 INFO L93 Difference]: Finished difference Result 41715 states and 59131 transitions. [2023-11-06 22:12:57,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:12:57,309 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 192 [2023-11-06 22:12:57,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:12:57,411 INFO L225 Difference]: With dead ends: 41715 [2023-11-06 22:12:57,411 INFO L226 Difference]: Without dead ends: 25234 [2023-11-06 22:12:57,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:12:57,458 INFO L413 NwaCegarLoop]: 2856 mSDtfsCounter, 2490 mSDsluCounter, 3238 mSDsCounter, 0 mSdLazyCounter, 3426 mSolverCounterSat, 640 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2817 SdHoareTripleChecker+Valid, 6094 SdHoareTripleChecker+Invalid, 4066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 640 IncrementalHoareTripleChecker+Valid, 3426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:12:57,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2817 Valid, 6094 Invalid, 4066 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [640 Valid, 3426 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-11-06 22:12:57,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25234 states. [2023-11-06 22:12:59,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25234 to 24214. [2023-11-06 22:12:59,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24214 states, 17620 states have (on average 1.3357548240635642) internal successors, (23536), 17928 states have internal predecessors, (23536), 5334 states have call successors, (5334), 1261 states have call predecessors, (5334), 1258 states have return successors, (5337), 5303 states have call predecessors, (5337), 5334 states have call successors, (5337) [2023-11-06 22:12:59,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24214 states to 24214 states and 34207 transitions. [2023-11-06 22:12:59,752 INFO L78 Accepts]: Start accepts. Automaton has 24214 states and 34207 transitions. Word has length 192 [2023-11-06 22:12:59,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:12:59,753 INFO L495 AbstractCegarLoop]: Abstraction has 24214 states and 34207 transitions. [2023-11-06 22:12:59,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-06 22:12:59,754 INFO L276 IsEmpty]: Start isEmpty. Operand 24214 states and 34207 transitions. [2023-11-06 22:12:59,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-11-06 22:12:59,778 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:12:59,778 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:12:59,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:12:59,779 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:12:59,779 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:12:59,779 INFO L85 PathProgramCache]: Analyzing trace with hash 367126734, now seen corresponding path program 1 times [2023-11-06 22:12:59,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:12:59,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960563321] [2023-11-06 22:12:59,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:12:59,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:12:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:13:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:13:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:13:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:13:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:13:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:13:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:13:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:13:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:13:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:13:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:13:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-06 22:13:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-06 22:13:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-06 22:13:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-06 22:13:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 22:13:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-06 22:13:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:13:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:13:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-06 22:13:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:13:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:13:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-06 22:13:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-06 22:13:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:13:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:00,344 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2023-11-06 22:13:00,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:13:00,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960563321] [2023-11-06 22:13:00,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960563321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:13:00,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:13:00,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:13:00,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431678304] [2023-11-06 22:13:00,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:13:00,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:13:00,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:13:00,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:13:00,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:13:00,347 INFO L87 Difference]: Start difference. First operand 24214 states and 34207 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-06 22:13:08,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:13:08,002 INFO L93 Difference]: Finished difference Result 55589 states and 78781 transitions. [2023-11-06 22:13:08,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:13:08,003 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 266 [2023-11-06 22:13:08,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:13:08,132 INFO L225 Difference]: With dead ends: 55589 [2023-11-06 22:13:08,132 INFO L226 Difference]: Without dead ends: 31373 [2023-11-06 22:13:08,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:13:08,374 INFO L413 NwaCegarLoop]: 2883 mSDtfsCounter, 2486 mSDsluCounter, 3262 mSDsCounter, 0 mSdLazyCounter, 3423 mSolverCounterSat, 629 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2811 SdHoareTripleChecker+Valid, 6145 SdHoareTripleChecker+Invalid, 4052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 629 IncrementalHoareTripleChecker+Valid, 3423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:13:08,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2811 Valid, 6145 Invalid, 4052 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [629 Valid, 3423 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-06 22:13:08,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31373 states. [2023-11-06 22:13:11,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31373 to 30096. [2023-11-06 22:13:11,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30096 states, 21946 states have (on average 1.3372368540964186) internal successors, (29347), 22322 states have internal predecessors, (29347), 6583 states have call successors, (6583), 1568 states have call predecessors, (6583), 1565 states have return successors, (6586), 6550 states have call predecessors, (6586), 6583 states have call successors, (6586) [2023-11-06 22:13:11,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30096 states to 30096 states and 42516 transitions. [2023-11-06 22:13:11,227 INFO L78 Accepts]: Start accepts. Automaton has 30096 states and 42516 transitions. Word has length 266 [2023-11-06 22:13:11,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:13:11,228 INFO L495 AbstractCegarLoop]: Abstraction has 30096 states and 42516 transitions. [2023-11-06 22:13:11,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-06 22:13:11,228 INFO L276 IsEmpty]: Start isEmpty. Operand 30096 states and 42516 transitions. [2023-11-06 22:13:11,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-11-06 22:13:11,252 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:13:11,252 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:13:11,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:13:11,253 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:13:11,253 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:13:11,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1026658256, now seen corresponding path program 1 times [2023-11-06 22:13:11,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:13:11,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563217132] [2023-11-06 22:13:11,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:13:11,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:13:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:13:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:13:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:13:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:13:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:13:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:13:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:13:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:13:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:13:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:13:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:13:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-06 22:13:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-06 22:13:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-06 22:13:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-06 22:13:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 22:13:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-06 22:13:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:13:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:13:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-06 22:13:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:13:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:13:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-06 22:13:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-06 22:13:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:13:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:11,723 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2023-11-06 22:13:11,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:13:11,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563217132] [2023-11-06 22:13:11,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563217132] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:13:11,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:13:11,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:13:11,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030531405] [2023-11-06 22:13:11,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:13:11,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:13:11,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:13:11,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:13:11,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:13:11,727 INFO L87 Difference]: Start difference. First operand 30096 states and 42516 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-06 22:13:20,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:13:20,490 INFO L93 Difference]: Finished difference Result 68360 states and 96794 transitions. [2023-11-06 22:13:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:13:20,491 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 266 [2023-11-06 22:13:20,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:13:20,633 INFO L225 Difference]: With dead ends: 68360 [2023-11-06 22:13:20,633 INFO L226 Difference]: Without dead ends: 39177 [2023-11-06 22:13:20,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:13:20,700 INFO L413 NwaCegarLoop]: 2914 mSDtfsCounter, 2861 mSDsluCounter, 2958 mSDsCounter, 0 mSdLazyCounter, 3298 mSolverCounterSat, 684 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3238 SdHoareTripleChecker+Valid, 5872 SdHoareTripleChecker+Invalid, 3982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 684 IncrementalHoareTripleChecker+Valid, 3298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:13:20,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3238 Valid, 5872 Invalid, 3982 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [684 Valid, 3298 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-11-06 22:13:20,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39177 states. [2023-11-06 22:13:24,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39177 to 37498. [2023-11-06 22:13:24,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37498 states, 27374 states have (on average 1.3369986118214363) internal successors, (36599), 27833 states have internal predecessors, (36599), 8155 states have call successors, (8155), 1970 states have call predecessors, (8155), 1967 states have return successors, (8158), 8120 states have call predecessors, (8158), 8155 states have call successors, (8158) [2023-11-06 22:13:24,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37498 states to 37498 states and 52912 transitions. [2023-11-06 22:13:24,461 INFO L78 Accepts]: Start accepts. Automaton has 37498 states and 52912 transitions. Word has length 266 [2023-11-06 22:13:24,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:13:24,462 INFO L495 AbstractCegarLoop]: Abstraction has 37498 states and 52912 transitions. [2023-11-06 22:13:24,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2023-11-06 22:13:24,462 INFO L276 IsEmpty]: Start isEmpty. Operand 37498 states and 52912 transitions. [2023-11-06 22:13:24,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2023-11-06 22:13:24,503 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:13:24,504 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:13:24,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 22:13:24,504 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:13:24,505 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:13:24,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1218431805, now seen corresponding path program 1 times [2023-11-06 22:13:24,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:13:24,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112726525] [2023-11-06 22:13:24,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:13:24,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:13:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:24,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:13:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:24,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:24,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:13:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:24,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:24,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:13:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:24,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:24,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:13:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:24,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:24,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:13:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:24,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:24,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:13:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:24,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:24,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:13:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:24,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:24,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:13:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:24,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:24,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:13:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:24,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:13:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:24,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:13:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:24,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-06 22:13:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:24,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-06 22:13:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:24,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-06 22:13:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:25,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:25,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-06 22:13:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:25,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 22:13:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:25,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-06 22:13:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:25,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:25,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:13:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:25,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:13:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:25,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-06 22:13:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:25,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:25,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:13:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:25,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:13:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:25,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-06 22:13:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:25,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-06 22:13:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:25,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:13:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:25,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-06 22:13:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:25,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:25,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-06 22:13:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:25,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-06 22:13:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:25,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-06 22:13:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:25,148 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 751 trivial. 0 not checked. [2023-11-06 22:13:25,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:13:25,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112726525] [2023-11-06 22:13:25,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112726525] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:13:25,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:13:25,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:13:25,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587788744] [2023-11-06 22:13:25,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:13:25,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:13:25,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:13:25,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:13:25,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:13:25,152 INFO L87 Difference]: Start difference. First operand 37498 states and 52912 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-06 22:13:34,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:13:34,275 INFO L93 Difference]: Finished difference Result 82807 states and 117196 transitions. [2023-11-06 22:13:34,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:13:34,276 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 321 [2023-11-06 22:13:34,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:13:34,424 INFO L225 Difference]: With dead ends: 82807 [2023-11-06 22:13:34,424 INFO L226 Difference]: Without dead ends: 46222 [2023-11-06 22:13:34,503 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 [2023-11-06 22:13:34,504 INFO L413 NwaCegarLoop]: 2734 mSDtfsCounter, 2478 mSDsluCounter, 3152 mSDsCounter, 0 mSdLazyCounter, 3404 mSolverCounterSat, 653 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2804 SdHoareTripleChecker+Valid, 5886 SdHoareTripleChecker+Invalid, 4057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 653 IncrementalHoareTripleChecker+Valid, 3404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:13:34,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2804 Valid, 5886 Invalid, 4057 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [653 Valid, 3404 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-11-06 22:13:34,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46222 states. [2023-11-06 22:13:38,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46222 to 44258. [2023-11-06 22:13:38,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44258 states, 32352 states have (on average 1.338742581602374) internal successors, (43311), 32888 states have internal predecessors, (43311), 9589 states have call successors, (9589), 2318 states have call predecessors, (9589), 2315 states have return successors, (9592), 9552 states have call predecessors, (9592), 9589 states have call successors, (9592) [2023-11-06 22:13:38,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44258 states to 44258 states and 62492 transitions. [2023-11-06 22:13:39,014 INFO L78 Accepts]: Start accepts. Automaton has 44258 states and 62492 transitions. Word has length 321 [2023-11-06 22:13:39,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:13:39,015 INFO L495 AbstractCegarLoop]: Abstraction has 44258 states and 62492 transitions. [2023-11-06 22:13:39,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2023-11-06 22:13:39,015 INFO L276 IsEmpty]: Start isEmpty. Operand 44258 states and 62492 transitions. [2023-11-06 22:13:39,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2023-11-06 22:13:39,051 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:13:39,051 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:13:39,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 22:13:39,052 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:13:39,052 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:13:39,052 INFO L85 PathProgramCache]: Analyzing trace with hash -558900283, now seen corresponding path program 1 times [2023-11-06 22:13:39,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:13:39,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012890983] [2023-11-06 22:13:39,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:13:39,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:13:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:13:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:13:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:13:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:13:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:13:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:13:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-06 22:13:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:13:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:13:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:13:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-06 22:13:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-06 22:13:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-06 22:13:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-06 22:13:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-06 22:13:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-11-06 22:13:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-06 22:13:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:13:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:13:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-06 22:13:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-06 22:13:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 22:13:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-06 22:13:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-11-06 22:13:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-11-06 22:13:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2023-11-06 22:13:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-06 22:13:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-06 22:13:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2023-11-06 22:13:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:39,607 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 751 trivial. 0 not checked. [2023-11-06 22:13:39,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:13:39,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012890983] [2023-11-06 22:13:39,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012890983] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:13:39,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:13:39,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:13:39,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113143063] [2023-11-06 22:13:39,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:13:39,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:13:39,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:13:39,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:13:39,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:13:39,611 INFO L87 Difference]: Start difference. First operand 44258 states and 62492 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28)