./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db553f52-3c13-4cb3-96bb-0b771ff72eeb/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db553f52-3c13-4cb3-96bb-0b771ff72eeb/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_db553f52-3c13-4cb3-96bb-0b771ff72eeb/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db553f52-3c13-4cb3-96bb-0b771ff72eeb/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db553f52-3c13-4cb3-96bb-0b771ff72eeb/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_db553f52-3c13-4cb3-96bb-0b771ff72eeb/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 03e2d0e28997af6c53edeab79acb28db60116030b3545ebb50af81c3e69fe889 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:07:19,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:07:19,536 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db553f52-3c13-4cb3-96bb-0b771ff72eeb/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:07:19,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:07:19,548 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:07:19,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:07:19,593 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:07:19,594 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:07:19,595 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:07:19,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:07:19,602 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:07:19,602 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:07:19,603 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:07:19,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:07:19,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:07:19,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:07:19,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:07:19,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:07:19,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:07:19,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:07:19,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:07:19,608 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:07:19,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:07:19,610 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:07:19,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:07:19,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:19,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:07:19,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:07:19,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:07:19,612 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:07:19,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:07:19,614 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:07:19,614 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:07:19,614 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:07:19,615 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:07:19,615 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:07:19,615 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_db553f52-3c13-4cb3-96bb-0b771ff72eeb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db553f52-3c13-4cb3-96bb-0b771ff72eeb/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03e2d0e28997af6c53edeab79acb28db60116030b3545ebb50af81c3e69fe889 [2023-11-06 22:07:19,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:07:19,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:07:19,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:07:19,942 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:07:19,943 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:07:19,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db553f52-3c13-4cb3-96bb-0b771ff72eeb/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i [2023-11-06 22:07:23,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:07:24,041 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:07:24,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db553f52-3c13-4cb3-96bb-0b771ff72eeb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i [2023-11-06 22:07:24,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db553f52-3c13-4cb3-96bb-0b771ff72eeb/bin/uautomizer-verify-WvqO1wxjHP/data/1c9b54a96/27e3984ed4c04b15b96ceaf3f839a00a/FLAG4b657c1ea [2023-11-06 22:07:24,148 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db553f52-3c13-4cb3-96bb-0b771ff72eeb/bin/uautomizer-verify-WvqO1wxjHP/data/1c9b54a96/27e3984ed4c04b15b96ceaf3f839a00a [2023-11-06 22:07:24,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:07:24,156 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:07:24,160 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:07:24,161 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:07:24,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:07:24,170 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:24" (1/1) ... [2023-11-06 22:07:24,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aea3552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:24, skipping insertion in model container [2023-11-06 22:07:24,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:07:24" (1/1) ... [2023-11-06 22:07:24,419 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:07:29,486 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_db553f52-3c13-4cb3-96bb-0b771ff72eeb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482333,482346] [2023-11-06 22:07:29,491 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_db553f52-3c13-4cb3-96bb-0b771ff72eeb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482502,482515] [2023-11-06 22:07:29,491 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_db553f52-3c13-4cb3-96bb-0b771ff72eeb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482669,482682] [2023-11-06 22:07:29,492 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_db553f52-3c13-4cb3-96bb-0b771ff72eeb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482837,482850] [2023-11-06 22:07:29,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:07:29,709 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:07:29,834 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"); [5734] [2023-11-06 22:07:29,837 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)); [5741] [2023-11-06 22:07:29,838 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5748] [2023-11-06 22:07:29,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5834] [2023-11-06 22:07:29,841 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5841] [2023-11-06 22:07:29,846 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)); [5898-5899] [2023-11-06 22:07:29,849 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)); [5932-5933] [2023-11-06 22:07:29,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6373] [2023-11-06 22:07:29,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6608] [2023-11-06 22:07:29,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6634] [2023-11-06 22:07:29,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6737] [2023-11-06 22:07:29,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6740] [2023-11-06 22:07:29,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6743] [2023-11-06 22:07:29,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6746] [2023-11-06 22:07:29,900 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" (103), "i" (12UL)); [6809-6810] [2023-11-06 22:07:29,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6942] [2023-11-06 22:07:29,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7033] [2023-11-06 22:07:29,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7073] [2023-11-06 22:07:29,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (priv->mgmt_received): : "memory", "cc"); [7160-7161] [2023-11-06 22:07:29,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (priv->mgmt_received): : "memory", "cc"); [7164-7165] [2023-11-06 22:07:29,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (priv->mgmt_received): : "memory", "cc"); [7168-7169] [2023-11-06 22:07:29,932 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (priv->mgmt_received): : "memory", "cc"); [7172-7173] [2023-11-06 22:07:29,934 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7218] [2023-11-06 22:07:29,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (priv->mgmt_received): : "memory", "cc"); [7311-7312] [2023-11-06 22:07:29,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (priv->mgmt_received): : "memory", "cc"); [7315-7316] [2023-11-06 22:07:29,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (priv->mgmt_received): : "memory", "cc"); [7319-7320] [2023-11-06 22:07:29,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (priv->mgmt_received): : "memory", "cc"); [7323-7324] [2023-11-06 22:07:29,946 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 *)"drivers/net/wireless/prism54/isl_38xx.c"), "i" (231), "i" (12UL)); [7549-7550] [2023-11-06 22:07:29,947 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 *)"drivers/net/wireless/prism54/isl_38xx.c"), "i" (236), "i" (12UL)); [7587-7588] [2023-11-06 22:07:29,948 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 *)"drivers/net/wireless/prism54/isl_38xx.c"), "i" (240), "i" (12UL)); [7600-7601] [2023-11-06 22:07:29,948 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 *)"drivers/net/wireless/prism54/isl_38xx.c"), "i" (245), "i" (12UL)); [7613-7614] [2023-11-06 22:07:29,949 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 *)"drivers/net/wireless/prism54/isl_38xx.c"), "i" (250), "i" (12UL)); [7627-7628] [2023-11-06 22:07:29,949 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 *)"drivers/net/wireless/prism54/isl_38xx.c"), "i" (253), "i" (12UL)); [7637-7638] [2023-11-06 22:07:29,984 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 *)"drivers/net/wireless/prism54/isl_ioctl.c"), "i" (376), "i" (12UL)); [8255-8256] [2023-11-06 22:07:30,129 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 *)"drivers/net/wireless/prism54/isl_ioctl.c"), "i" (2039), "i" (12UL)); [10496-10497] [2023-11-06 22:07:30,132 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 *)"drivers/net/wireless/prism54/isl_ioctl.c"), "i" (2071), "i" (12UL)); [10555-10556] [2023-11-06 22:07:30,174 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/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [11783-11784] [2023-11-06 22:07:30,174 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"); [11789-11791] [2023-11-06 22:07:30,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr))); [11842] [2023-11-06 22:07:30,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12066] [2023-11-06 22:07:30,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12070] [2023-11-06 22:07:30,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12074] [2023-11-06 22:07:30,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12119] [2023-11-06 22:07:30,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12138] [2023-11-06 22:07:30,188 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 *)"drivers/net/wireless/prism54/islpci_dev.c"), "i" (144), "i" (12UL)); [12143-12144] [2023-11-06 22:07:30,188 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 *)"drivers/net/wireless/prism54/islpci_dev.c"), "i" (147), "i" (12UL)); [12159-12160] [2023-11-06 22:07:30,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12173] [2023-11-06 22:07:30,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12177] [2023-11-06 22:07:30,191 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12181] [2023-11-06 22:07:30,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12389] [2023-11-06 22:07:30,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12393] [2023-11-06 22:07:30,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [12397] [2023-11-06 22:07:30,227 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 *)"drivers/net/wireless/prism54/islpci_dev.c"), "i" (957), "i" (12UL)); [12969-12970] [2023-11-06 22:07:30,228 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 *)"drivers/net/wireless/prism54/islpci_dev.c"), "i" (958), "i" (12UL)); [12984-12985] [2023-11-06 22:07:30,228 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 *)"drivers/net/wireless/prism54/islpci_dev.c"), "i" (959), "i" (12UL)); [12997-12998] [2023-11-06 22:07:30,265 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 *)"drivers/net/wireless/prism54/islpci_hotplug.c"), "i" (221), "i" (12UL)); [13661-13662] [2023-11-06 22:07:30,268 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 *)"drivers/net/wireless/prism54/islpci_hotplug.c"), "i" (263), "i" (12UL)); [13726-13727] [2023-11-06 22:07:30,271 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 *)"drivers/net/wireless/prism54/islpci_hotplug.c"), "i" (288), "i" (12UL)); [13771-13772] [2023-11-06 22:07:30,336 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 *)"drivers/net/wireless/prism54/oid_mgt.c"), "i" (342), "i" (12UL)); [15528-15529] [2023-11-06 22:07:30,344 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 *)"drivers/net/wireless/prism54/oid_mgt.c"), "i" (411), "i" (12UL)); [15671-15672] [2023-11-06 22:07:30,346 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 *)"drivers/net/wireless/prism54/oid_mgt.c"), "i" (427), "i" (12UL)); [15703-15704] [2023-11-06 22:07:30,346 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 *)"drivers/net/wireless/prism54/oid_mgt.c"), "i" (428), "i" (12UL)); [15714-15715] [2023-11-06 22:07:30,353 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 *)"drivers/net/wireless/prism54/oid_mgt.c"), "i" (488), "i" (12UL)); [15803-15804] [2023-11-06 22:07:30,356 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 *)"drivers/net/wireless/prism54/oid_mgt.c"), "i" (527), "i" (12UL)); [15867-15868] [2023-11-06 22:07:30,357 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 *)"drivers/net/wireless/prism54/oid_mgt.c"), "i" (528), "i" (12UL)); [15878-15879] [2023-11-06 22:07:30,359 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 *)"drivers/net/wireless/prism54/oid_mgt.c"), "i" (566), "i" (12UL)); [15938-15939] [2023-11-06 22:07:30,364 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 *)"drivers/net/wireless/prism54/oid_mgt.c"), "i" (602), "i" (12UL)); [16003-16004] [2023-11-06 22:07:30,367 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 *)"drivers/net/wireless/prism54/oid_mgt.c"), "i" (629), "i" (12UL)); [16058-16059] [2023-11-06 22:07:30,368 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 *)"drivers/net/wireless/prism54/oid_mgt.c"), "i" (630), "i" (12UL)); [16070-16071] [2023-11-06 22:07:30,369 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 *)"drivers/net/wireless/prism54/oid_mgt.c"), "i" (639), "i" (12UL)); [16094-16095] [2023-11-06 22:07:30,370 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 *)"drivers/net/wireless/prism54/oid_mgt.c"), "i" (640), "i" (12UL)); [16106-16107] [2023-11-06 22:07:30,370 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 *)"drivers/net/wireless/prism54/oid_mgt.c"), "i" (641), "i" (12UL)); [16117-16118] [2023-11-06 22:07:30,382 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 *)"drivers/net/wireless/prism54/oid_mgt.c"), "i" (899), "i" (12UL)); [16469-16470] [2023-11-06 22:07:30,405 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_db553f52-3c13-4cb3-96bb-0b771ff72eeb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482333,482346] [2023-11-06 22:07:30,405 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_db553f52-3c13-4cb3-96bb-0b771ff72eeb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482502,482515] [2023-11-06 22:07:30,406 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_db553f52-3c13-4cb3-96bb-0b771ff72eeb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482669,482682] [2023-11-06 22:07:30,407 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_db553f52-3c13-4cb3-96bb-0b771ff72eeb/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482837,482850] [2023-11-06 22:07:30,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:07:30,768 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:07:30,768 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:07:30,769 WARN L672 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:07:30,769 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:07:30,777 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:07:30,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30 WrapperNode [2023-11-06 22:07:30,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:07:30,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:07:30,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:07:30,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:07:30,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:30,964 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:31,369 INFO L138 Inliner]: procedures = 578, calls = 6514, calls flagged for inlining = 254, calls inlined = 233, statements flattened = 9098 [2023-11-06 22:07:31,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:07:31,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:07:31,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:07:31,371 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:07:31,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:31,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:31,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:31,427 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:31,815 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:31,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:31,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:31,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:32,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:07:32,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:07:32,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:07:32,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:07:32,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (1/1) ... [2023-11-06 22:07:32,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:07:32,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db553f52-3c13-4cb3-96bb-0b771ff72eeb/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:07:32,035 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db553f52-3c13-4cb3-96bb-0b771ff72eeb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:07:32,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db553f52-3c13-4cb3-96bb-0b771ff72eeb/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:07:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2023-11-06 22:07:32,086 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2023-11-06 22:07:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2023-11-06 22:07:32,086 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2023-11-06 22:07:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-06 22:07:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-06 22:07:32,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-06 22:07:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-06 22:07:32,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-06 22:07:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2023-11-06 22:07:32,087 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2023-11-06 22:07:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-06 22:07:32,088 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-06 22:07:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 22:07:32,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 22:07:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2023-11-06 22:07:32,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2023-11-06 22:07:32,088 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2023-11-06 22:07:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2023-11-06 22:07:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-06 22:07:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-06 22:07:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-06 22:07:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-06 22:07:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-06 22:07:32,089 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-06 22:07:32,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2023-11-06 22:07:32,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2023-11-06 22:07:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2023-11-06 22:07:32,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2023-11-06 22:07:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2023-11-06 22:07:32,091 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2023-11-06 22:07:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2023-11-06 22:07:32,091 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2023-11-06 22:07:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-06 22:07:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2023-11-06 22:07:32,092 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2023-11-06 22:07:32,092 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-06 22:07:32,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-06 22:07:32,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-06 22:07:32,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-06 22:07:32,093 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-06 22:07:32,093 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-06 22:07:32,094 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-06 22:07:32,094 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-06 22:07:32,094 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2023-11-06 22:07:32,094 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2023-11-06 22:07:32,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-06 22:07:32,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-06 22:07:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-06 22:07:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-06 22:07:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:07:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure send_simple_event [2023-11-06 22:07:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure send_simple_event [2023-11-06 22:07:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-06 22:07:32,095 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-06 22:07:32,095 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-06 22:07:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-06 22:07:32,096 INFO L130 BoogieDeclarations]: Found specification of procedure send_formatted_event [2023-11-06 22:07:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure send_formatted_event [2023-11-06 22:07:32,097 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2023-11-06 22:07:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2023-11-06 22:07:32,098 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-06 22:07:32,098 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-06 22:07:32,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 22:07:32,098 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2023-11-06 22:07:32,098 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2023-11-06 22:07:32,098 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-06 22:07:32,098 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-06 22:07:32,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-06 22:07:32,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-06 22:07:32,099 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-11-06 22:07:32,099 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-11-06 22:07:32,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 22:07:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-06 22:07:32,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-06 22:07:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:07:32,103 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-06 22:07:32,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-06 22:07:32,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 22:07:32,105 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 22:07:32,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-06 22:07:32,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-06 22:07:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-06 22:07:32,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-06 22:07:32,111 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_open [2023-11-06 22:07:32,111 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_open [2023-11-06 22:07:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2023-11-06 22:07:32,112 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2023-11-06 22:07:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-06 22:07:32,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-06 22:07:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-06 22:07:32,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-06 22:07:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:07:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-06 22:07:32,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-06 22:07:32,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-06 22:07:32,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-06 22:07:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2023-11-06 22:07:32,113 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2023-11-06 22:07:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-06 22:07:32,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-06 22:07:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:07:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-06 22:07:32,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-06 22:07:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-06 22:07:32,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-06 22:07:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:07:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-06 22:07:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 22:07:32,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 22:07:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-06 22:07:32,114 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-06 22:07:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-06 22:07:32,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-06 22:07:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-06 22:07:32,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-06 22:07:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-06 22:07:32,115 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-06 22:07:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-06 22:07:32,115 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-06 22:07:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-06 22:07:32,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-06 22:07:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2023-11-06 22:07:32,115 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2023-11-06 22:07:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-06 22:07:32,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-06 22:07:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-06 22:07:32,116 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-06 22:07:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2023-11-06 22:07:32,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2023-11-06 22:07:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2023-11-06 22:07:32,116 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2023-11-06 22:07:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-11-06 22:07:32,117 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-11-06 22:07:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:07:32,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:07:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2023-11-06 22:07:32,117 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2023-11-06 22:07:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-06 22:07:32,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-06 22:07:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-06 22:07:32,117 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-06 22:07:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2023-11-06 22:07:32,118 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2023-11-06 22:07:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_wpa_bss_ie_get [2023-11-06 22:07:32,118 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_wpa_bss_ie_get [2023-11-06 22:07:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 22:07:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 22:07:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 22:07:32,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 22:07:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-06 22:07:32,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-06 22:07:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-06 22:07:32,119 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-06 22:07:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-06 22:07:32,119 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-06 22:07:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure handle_request [2023-11-06 22:07:32,119 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_request [2023-11-06 22:07:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2023-11-06 22:07:32,119 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2023-11-06 22:07:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2023-11-06 22:07:32,119 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2023-11-06 22:07:32,120 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-06 22:07:32,120 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-06 22:07:32,120 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-06 22:07:32,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-06 22:07:32,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 22:07:32,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 22:07:32,120 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-06 22:07:32,120 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-06 22:07:32,120 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-06 22:07:32,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-06 22:07:32,121 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-06 22:07:32,121 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-06 22:07:32,121 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-06 22:07:32,121 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-06 22:07:32,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:07:32,121 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-06 22:07:32,123 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-06 22:07:32,123 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2023-11-06 22:07:32,123 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2023-11-06 22:07:32,123 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2023-11-06 22:07:32,124 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2023-11-06 22:07:32,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:07:32,124 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_varlen [2023-11-06 22:07:32,124 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_varlen [2023-11-06 22:07:32,124 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2023-11-06 22:07:32,124 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2023-11-06 22:07:32,124 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2023-11-06 22:07:32,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2023-11-06 22:07:32,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:07:32,125 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_close [2023-11-06 22:07:32,125 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_close [2023-11-06 22:07:32,125 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 22:07:32,125 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 22:07:32,125 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-06 22:07:32,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-06 22:07:32,125 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_get_request [2023-11-06 22:07:32,126 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_get_request [2023-11-06 22:07:32,127 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-06 22:07:32,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-06 22:07:32,130 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-06 22:07:32,130 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-06 22:07:32,131 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-06 22:07:32,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-06 22:07:32,131 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-06 22:07:32,131 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-06 22:07:32,131 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2023-11-06 22:07:32,131 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2023-11-06 22:07:32,132 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2023-11-06 22:07:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2023-11-06 22:07:32,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-06 22:07:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-06 22:07:32,132 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-06 22:07:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-06 22:07:32,132 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2023-11-06 22:07:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2023-11-06 22:07:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-06 22:07:32,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-06 22:07:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-06 22:07:32,133 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-06 22:07:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2023-11-06 22:07:32,133 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2023-11-06 22:07:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-06 22:07:32,133 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-06 22:07:32,133 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-06 22:07:32,133 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-06 22:07:32,134 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-06 22:07:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-06 22:07:32,134 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2023-11-06 22:07:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2023-11-06 22:07:32,134 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2023-11-06 22:07:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2023-11-06 22:07:32,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2023-11-06 22:07:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2023-11-06 22:07:32,134 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 22:07:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 22:07:32,135 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2023-11-06 22:07:32,135 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2023-11-06 22:07:32,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:07:32,135 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-06 22:07:32,135 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-06 22:07:32,135 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-06 22:07:32,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-06 22:07:32,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 22:07:32,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 22:07:32,135 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2023-11-06 22:07:32,136 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2023-11-06 22:07:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2023-11-06 22:07:32,136 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2023-11-06 22:07:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-06 22:07:32,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-06 22:07:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2023-11-06 22:07:32,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2023-11-06 22:07:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-11-06 22:07:32,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-11-06 22:07:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-06 22:07:32,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-06 22:07:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-06 22:07:32,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-06 22:07:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2023-11-06 22:07:32,137 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2023-11-06 22:07:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2023-11-06 22:07:32,137 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2023-11-06 22:07:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2023-11-06 22:07:32,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2023-11-06 22:07:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-06 22:07:32,138 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-06 22:07:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-06 22:07:32,138 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-06 22:07:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:07:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-06 22:07:32,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-06 22:07:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-06 22:07:32,138 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-06 22:07:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2023-11-06 22:07:32,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2023-11-06 22:07:33,451 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:07:33,455 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:07:33,970 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 22:07:43,531 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-06 22:07:44,008 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:07:44,038 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:07:44,039 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 22:07:44,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:44 BoogieIcfgContainer [2023-11-06 22:07:44,045 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:07:44,048 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:07:44,048 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:07:44,052 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:07:44,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:07:24" (1/3) ... [2023-11-06 22:07:44,054 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b67e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:44, skipping insertion in model container [2023-11-06 22:07:44,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:07:30" (2/3) ... [2023-11-06 22:07:44,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b67e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:07:44, skipping insertion in model container [2023-11-06 22:07:44,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:07:44" (3/3) ... [2023-11-06 22:07:44,057 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i [2023-11-06 22:07:44,077 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:07:44,077 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-06 22:07:44,215 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:07:44,222 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;@78657d43, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:07:44,222 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-06 22:07:44,237 INFO L276 IsEmpty]: Start isEmpty. Operand has 2585 states, 1770 states have (on average 1.302824858757062) internal successors, (2306), 1821 states have internal predecessors, (2306), 684 states have call successors, (684), 129 states have call predecessors, (684), 128 states have return successors, (678), 658 states have call predecessors, (678), 678 states have call successors, (678) [2023-11-06 22:07:44,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-06 22:07:44,261 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:44,262 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:07:44,263 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:07:44,268 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:44,268 INFO L85 PathProgramCache]: Analyzing trace with hash -755360735, now seen corresponding path program 1 times [2023-11-06 22:07:44,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:44,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755384627] [2023-11-06 22:07:44,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:44,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:46,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:07:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:46,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:07:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:46,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:07:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:46,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:07:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:46,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:07:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:46,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:07:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:46,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:07:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:46,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:07:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:46,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:07:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:46,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:07:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:46,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:07:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:46,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:07:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:46,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:07:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:46,759 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-06 22:07:46,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:46,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755384627] [2023-11-06 22:07:46,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755384627] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:46,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:46,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:07:46,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425813897] [2023-11-06 22:07:46,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:46,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:07:46,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:46,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:07:46,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:07:46,809 INFO L87 Difference]: Start difference. First operand has 2585 states, 1770 states have (on average 1.302824858757062) internal successors, (2306), 1821 states have internal predecessors, (2306), 684 states have call successors, (684), 129 states have call predecessors, (684), 128 states have return successors, (678), 658 states have call predecessors, (678), 678 states have call successors, (678) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 22:07:56,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:07:56,095 INFO L93 Difference]: Finished difference Result 7509 states and 10993 transitions. [2023-11-06 22:07:56,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:07:56,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 89 [2023-11-06 22:07:56,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:07:56,168 INFO L225 Difference]: With dead ends: 7509 [2023-11-06 22:07:56,169 INFO L226 Difference]: Without dead ends: 4921 [2023-11-06 22:07:56,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 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 22:07:56,207 INFO L413 NwaCegarLoop]: 2672 mSDtfsCounter, 4091 mSDsluCounter, 3735 mSDsCounter, 0 mSdLazyCounter, 2941 mSolverCounterSat, 1655 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4589 SdHoareTripleChecker+Valid, 6407 SdHoareTripleChecker+Invalid, 4596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1655 IncrementalHoareTripleChecker+Valid, 2941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:07:56,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4589 Valid, 6407 Invalid, 4596 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1655 Valid, 2941 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2023-11-06 22:07:56,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4921 states. [2023-11-06 22:07:56,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4921 to 4716. [2023-11-06 22:07:56,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4716 states, 3233 states have (on average 1.2703371481596042) internal successors, (4107), 3333 states have internal predecessors, (4107), 1234 states have call successors, (1234), 247 states have call predecessors, (1234), 246 states have return successors, (1234), 1185 states have call predecessors, (1234), 1230 states have call successors, (1234) [2023-11-06 22:07:56,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4716 states to 4716 states and 6575 transitions. [2023-11-06 22:07:56,734 INFO L78 Accepts]: Start accepts. Automaton has 4716 states and 6575 transitions. Word has length 89 [2023-11-06 22:07:56,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:07:56,737 INFO L495 AbstractCegarLoop]: Abstraction has 4716 states and 6575 transitions. [2023-11-06 22:07:56,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 22:07:56,737 INFO L276 IsEmpty]: Start isEmpty. Operand 4716 states and 6575 transitions. [2023-11-06 22:07:56,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-06 22:07:56,750 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:07:56,751 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:07:56,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:07:56,752 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:07:56,752 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:56,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1616082980, now seen corresponding path program 1 times [2023-11-06 22:07:56,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:56,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700430950] [2023-11-06 22:07:56,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:56,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:57,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:07:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:57,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:07:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:57,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:07:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:57,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:07:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:57,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:07:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:57,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:07:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:57,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:07:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:57,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:07:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:58,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:07:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:58,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:07:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:58,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:07:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:58,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:07:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:58,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:07:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:58,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 22:07:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:58,128 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-06 22:07:58,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:58,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700430950] [2023-11-06 22:07:58,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700430950] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:58,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:58,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:07:58,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019071742] [2023-11-06 22:07:58,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:58,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:07:58,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:58,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:07:58,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:07:58,138 INFO L87 Difference]: Start difference. First operand 4716 states and 6575 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-06 22:08:06,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:06,446 INFO L93 Difference]: Finished difference Result 14287 states and 20040 transitions. [2023-11-06 22:08:06,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:08:06,446 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 94 [2023-11-06 22:08:06,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:06,540 INFO L225 Difference]: With dead ends: 14287 [2023-11-06 22:08:06,540 INFO L226 Difference]: Without dead ends: 9588 [2023-11-06 22:08:06,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 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 22:08:06,579 INFO L413 NwaCegarLoop]: 2662 mSDtfsCounter, 4493 mSDsluCounter, 3673 mSDsCounter, 0 mSdLazyCounter, 2927 mSolverCounterSat, 1693 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5062 SdHoareTripleChecker+Valid, 6335 SdHoareTripleChecker+Invalid, 4620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1693 IncrementalHoareTripleChecker+Valid, 2927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:06,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5062 Valid, 6335 Invalid, 4620 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1693 Valid, 2927 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-11-06 22:08:06,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9588 states. [2023-11-06 22:08:07,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9588 to 9228. [2023-11-06 22:08:07,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9228 states, 6327 states have (on average 1.270428323059902) internal successors, (8038), 6519 states have internal predecessors, (8038), 2409 states have call successors, (2409), 490 states have call predecessors, (2409), 489 states have return successors, (2413), 2318 states have call predecessors, (2413), 2405 states have call successors, (2413) [2023-11-06 22:08:07,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9228 states to 9228 states and 12860 transitions. [2023-11-06 22:08:07,396 INFO L78 Accepts]: Start accepts. Automaton has 9228 states and 12860 transitions. Word has length 94 [2023-11-06 22:08:07,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:07,399 INFO L495 AbstractCegarLoop]: Abstraction has 9228 states and 12860 transitions. [2023-11-06 22:08:07,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-06 22:08:07,400 INFO L276 IsEmpty]: Start isEmpty. Operand 9228 states and 12860 transitions. [2023-11-06 22:08:07,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-06 22:08:07,404 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:07,405 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:08:07,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:08:07,405 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:08:07,407 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:07,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1805593245, now seen corresponding path program 1 times [2023-11-06 22:08:07,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:07,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377476961] [2023-11-06 22:08:07,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:07,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:08,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:08:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:08,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:08,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:08:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:08,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:08,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:08:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:08,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:08,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:08:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:08,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:08,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:08:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:08,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:08,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:08:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:08,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:08,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:08:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:08,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 22:08:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:08,314 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-06 22:08:08,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:08,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377476961] [2023-11-06 22:08:08,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377476961] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:08,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:08,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:08:08,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192253495] [2023-11-06 22:08:08,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:08,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:08:08,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:08,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:08:08,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:08:08,318 INFO L87 Difference]: Start difference. First operand 9228 states and 12860 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-06 22:08:16,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:16,535 INFO L93 Difference]: Finished difference Result 27648 states and 38736 transitions. [2023-11-06 22:08:16,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:08:16,536 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 99 [2023-11-06 22:08:16,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:16,701 INFO L225 Difference]: With dead ends: 27648 [2023-11-06 22:08:16,702 INFO L226 Difference]: Without dead ends: 18437 [2023-11-06 22:08:16,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 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 22:08:16,771 INFO L413 NwaCegarLoop]: 2668 mSDtfsCounter, 4330 mSDsluCounter, 3703 mSDsCounter, 0 mSdLazyCounter, 2912 mSolverCounterSat, 1712 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4870 SdHoareTripleChecker+Valid, 6371 SdHoareTripleChecker+Invalid, 4624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1712 IncrementalHoareTripleChecker+Valid, 2912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:16,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4870 Valid, 6371 Invalid, 4624 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1712 Valid, 2912 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2023-11-06 22:08:16,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18437 states. [2023-11-06 22:08:17,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18437 to 17690. [2023-11-06 22:08:17,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17690 states, 12121 states have (on average 1.270687237026648) internal successors, (15402), 12501 states have internal predecessors, (15402), 4611 states have call successors, (4611), 964 states have call predecessors, (4611), 955 states have return successors, (4619), 4412 states have call predecessors, (4619), 4607 states have call successors, (4619) [2023-11-06 22:08:18,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17690 states to 17690 states and 24632 transitions. [2023-11-06 22:08:18,052 INFO L78 Accepts]: Start accepts. Automaton has 17690 states and 24632 transitions. Word has length 99 [2023-11-06 22:08:18,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:18,055 INFO L495 AbstractCegarLoop]: Abstraction has 17690 states and 24632 transitions. [2023-11-06 22:08:18,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-06 22:08:18,055 INFO L276 IsEmpty]: Start isEmpty. Operand 17690 states and 24632 transitions. [2023-11-06 22:08:18,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-06 22:08:18,066 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:18,067 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:18,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:08:18,067 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:08:18,067 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:18,068 INFO L85 PathProgramCache]: Analyzing trace with hash 675327694, now seen corresponding path program 1 times [2023-11-06 22:08:18,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:18,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362633777] [2023-11-06 22:08:18,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:18,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:18,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:08:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:18,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:18,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:08:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:18,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:18,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:08:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:18,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:19,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:08:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:19,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:19,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:08:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:19,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:19,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:08:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:19,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:19,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:08:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:19,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-06 22:08:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:19,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:08:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:19,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:08:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:19,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-06 22:08:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:19,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-06 22:08:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:19,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:19,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-06 22:08:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:19,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-06 22:08:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:19,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-06 22:08:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:19,288 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2023-11-06 22:08:19,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:19,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362633777] [2023-11-06 22:08:19,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362633777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:19,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:19,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:08:19,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774443254] [2023-11-06 22:08:19,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:19,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:08:19,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:19,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:08:19,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:08:19,298 INFO L87 Difference]: Start difference. First operand 17690 states and 24632 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-06 22:08:28,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:28,123 INFO L93 Difference]: Finished difference Result 36488 states and 51107 transitions. [2023-11-06 22:08:28,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:08:28,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 171 [2023-11-06 22:08:28,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:28,305 INFO L225 Difference]: With dead ends: 36488 [2023-11-06 22:08:28,305 INFO L226 Difference]: Without dead ends: 27417 [2023-11-06 22:08:28,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 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 22:08:28,363 INFO L413 NwaCegarLoop]: 5192 mSDtfsCounter, 3701 mSDsluCounter, 5137 mSDsCounter, 0 mSdLazyCounter, 4384 mSolverCounterSat, 900 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4264 SdHoareTripleChecker+Valid, 10329 SdHoareTripleChecker+Invalid, 5284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 900 IncrementalHoareTripleChecker+Valid, 4384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:28,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4264 Valid, 10329 Invalid, 5284 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [900 Valid, 4384 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2023-11-06 22:08:28,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27417 states. [2023-11-06 22:08:30,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27417 to 26348. [2023-11-06 22:08:30,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26348 states, 18047 states have (on average 1.2706821078295563) internal successors, (22932), 18610 states have internal predecessors, (22932), 6868 states have call successors, (6868), 1443 states have call predecessors, (6868), 1430 states have return successors, (6882), 6576 states have call predecessors, (6882), 6864 states have call successors, (6882) [2023-11-06 22:08:30,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26348 states to 26348 states and 36682 transitions. [2023-11-06 22:08:30,375 INFO L78 Accepts]: Start accepts. Automaton has 26348 states and 36682 transitions. Word has length 171 [2023-11-06 22:08:30,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:30,605 INFO L495 AbstractCegarLoop]: Abstraction has 26348 states and 36682 transitions. [2023-11-06 22:08:30,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-06 22:08:30,606 INFO L276 IsEmpty]: Start isEmpty. Operand 26348 states and 36682 transitions. [2023-11-06 22:08:30,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-06 22:08:30,628 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:30,628 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:30,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:08:30,629 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:08:30,629 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:30,630 INFO L85 PathProgramCache]: Analyzing trace with hash 815876304, now seen corresponding path program 1 times [2023-11-06 22:08:30,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:30,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273902572] [2023-11-06 22:08:30,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:30,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:32,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:08:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:32,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:32,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:08:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:32,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:32,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:08:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:32,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:32,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:08:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:32,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:32,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:08:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:32,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:32,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:08:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:32,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:32,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:08:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:32,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-06 22:08:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:32,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:08:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:32,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:08:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:32,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-06 22:08:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:32,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-06 22:08:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:32,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:33,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-06 22:08:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:33,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-06 22:08:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:33,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-06 22:08:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:33,067 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2023-11-06 22:08:33,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:33,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273902572] [2023-11-06 22:08:33,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273902572] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:33,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:33,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:08:33,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680261391] [2023-11-06 22:08:33,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:33,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:08:33,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:33,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:08:33,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:08:33,071 INFO L87 Difference]: Start difference. First operand 26348 states and 36682 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 22:08:40,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:40,489 INFO L93 Difference]: Finished difference Result 27419 states and 38487 transitions. [2023-11-06 22:08:40,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:08:40,489 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 171 [2023-11-06 22:08:40,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:40,625 INFO L225 Difference]: With dead ends: 27419 [2023-11-06 22:08:40,626 INFO L226 Difference]: Without dead ends: 27417 [2023-11-06 22:08:40,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 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 22:08:40,642 INFO L413 NwaCegarLoop]: 2658 mSDtfsCounter, 3690 mSDsluCounter, 6007 mSDsCounter, 0 mSdLazyCounter, 4237 mSolverCounterSat, 1161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4119 SdHoareTripleChecker+Valid, 8665 SdHoareTripleChecker+Invalid, 5398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1161 IncrementalHoareTripleChecker+Valid, 4237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:40,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4119 Valid, 8665 Invalid, 5398 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1161 Valid, 4237 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2023-11-06 22:08:40,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27417 states. [2023-11-06 22:08:42,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27417 to 26352. [2023-11-06 22:08:42,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26352 states, 18050 states have (on average 1.2706371191135735) internal successors, (22935), 18613 states have internal predecessors, (22935), 6868 states have call successors, (6868), 1444 states have call predecessors, (6868), 1431 states have return successors, (6882), 6576 states have call predecessors, (6882), 6864 states have call successors, (6882) [2023-11-06 22:08:42,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26352 states to 26352 states and 36685 transitions. [2023-11-06 22:08:42,645 INFO L78 Accepts]: Start accepts. Automaton has 26352 states and 36685 transitions. Word has length 171 [2023-11-06 22:08:42,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:42,646 INFO L495 AbstractCegarLoop]: Abstraction has 26352 states and 36685 transitions. [2023-11-06 22:08:42,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 22:08:42,646 INFO L276 IsEmpty]: Start isEmpty. Operand 26352 states and 36685 transitions. [2023-11-06 22:08:42,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-06 22:08:42,658 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:42,658 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:42,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:08:42,659 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:08:42,659 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:42,660 INFO L85 PathProgramCache]: Analyzing trace with hash 2023432561, now seen corresponding path program 1 times [2023-11-06 22:08:42,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:42,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281247666] [2023-11-06 22:08:42,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:42,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:08:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:08:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:08:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:08:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:08:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:08:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:08:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-06 22:08:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:08:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:08:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-06 22:08:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-06 22:08:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-06 22:08:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-06 22:08:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-06 22:08:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-06 22:08:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:44,969 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2023-11-06 22:08:44,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:44,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281247666] [2023-11-06 22:08:44,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281247666] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:44,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:44,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:08:44,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414735190] [2023-11-06 22:08:44,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:44,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:08:44,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:44,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:08:44,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:08:44,973 INFO L87 Difference]: Start difference. First operand 26352 states and 36685 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 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 22:08:52,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:52,395 INFO L93 Difference]: Finished difference Result 27423 states and 38490 transitions. [2023-11-06 22:08:52,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:08:52,395 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 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 176 [2023-11-06 22:08:52,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:52,543 INFO L225 Difference]: With dead ends: 27423 [2023-11-06 22:08:52,543 INFO L226 Difference]: Without dead ends: 27421 [2023-11-06 22:08:52,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 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 22:08:52,555 INFO L413 NwaCegarLoop]: 2656 mSDtfsCounter, 3684 mSDsluCounter, 6004 mSDsCounter, 0 mSdLazyCounter, 4237 mSolverCounterSat, 1163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4111 SdHoareTripleChecker+Valid, 8660 SdHoareTripleChecker+Invalid, 5400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1163 IncrementalHoareTripleChecker+Valid, 4237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:52,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4111 Valid, 8660 Invalid, 5400 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1163 Valid, 4237 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-11-06 22:08:52,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27421 states. [2023-11-06 22:08:54,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27421 to 26356. [2023-11-06 22:08:54,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26356 states, 18053 states have (on average 1.2705921453498032) internal successors, (22938), 18616 states have internal predecessors, (22938), 6868 states have call successors, (6868), 1445 states have call predecessors, (6868), 1432 states have return successors, (6882), 6576 states have call predecessors, (6882), 6864 states have call successors, (6882) [2023-11-06 22:08:54,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26356 states to 26356 states and 36688 transitions. [2023-11-06 22:08:54,200 INFO L78 Accepts]: Start accepts. Automaton has 26356 states and 36688 transitions. Word has length 176 [2023-11-06 22:08:54,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:54,200 INFO L495 AbstractCegarLoop]: Abstraction has 26356 states and 36688 transitions. [2023-11-06 22:08:54,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 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 22:08:54,201 INFO L276 IsEmpty]: Start isEmpty. Operand 26356 states and 36688 transitions. [2023-11-06 22:08:54,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-06 22:08:54,213 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:54,214 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:54,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:08:54,214 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:08:54,214 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:54,215 INFO L85 PathProgramCache]: Analyzing trace with hash -303981264, now seen corresponding path program 1 times [2023-11-06 22:08:54,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:54,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208329804] [2023-11-06 22:08:54,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:54,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:55,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:08:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:55,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:55,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:08:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:55,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:55,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:08:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:55,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:55,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:08:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:55,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:55,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:08:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:55,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:55,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:08:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:55,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:55,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:08:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:55,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-06 22:08:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:56,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:08:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:56,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:08:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:56,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-06 22:08:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:56,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-06 22:08:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:56,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:08:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:56,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-06 22:08:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:56,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-06 22:08:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:56,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-06 22:08:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:56,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-06 22:08:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:56,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-06 22:08:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:56,180 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2023-11-06 22:08:56,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:56,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208329804] [2023-11-06 22:08:56,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208329804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:56,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:56,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:08:56,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8040233] [2023-11-06 22:08:56,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:56,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:08:56,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:56,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:08:56,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:08:56,183 INFO L87 Difference]: Start difference. First operand 26356 states and 36688 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 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 22:09:03,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:09:03,507 INFO L93 Difference]: Finished difference Result 27427 states and 38493 transitions. [2023-11-06 22:09:03,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:09:03,508 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 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 181 [2023-11-06 22:09:03,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:09:03,616 INFO L225 Difference]: With dead ends: 27427 [2023-11-06 22:09:03,616 INFO L226 Difference]: Without dead ends: 27425 [2023-11-06 22:09:03,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 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 22:09:03,635 INFO L413 NwaCegarLoop]: 2654 mSDtfsCounter, 3682 mSDsluCounter, 5999 mSDsCounter, 0 mSdLazyCounter, 4238 mSolverCounterSat, 1162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4113 SdHoareTripleChecker+Valid, 8653 SdHoareTripleChecker+Invalid, 5400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1162 IncrementalHoareTripleChecker+Valid, 4238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:09:03,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4113 Valid, 8653 Invalid, 5400 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1162 Valid, 4238 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2023-11-06 22:09:03,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27425 states. [2023-11-06 22:09:05,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27425 to 26360. [2023-11-06 22:09:05,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26360 states, 18056 states have (on average 1.2705471865307931) internal successors, (22941), 18619 states have internal predecessors, (22941), 6868 states have call successors, (6868), 1446 states have call predecessors, (6868), 1433 states have return successors, (6882), 6576 states have call predecessors, (6882), 6864 states have call successors, (6882) [2023-11-06 22:09:05,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26360 states to 26360 states and 36691 transitions. [2023-11-06 22:09:05,733 INFO L78 Accepts]: Start accepts. Automaton has 26360 states and 36691 transitions. Word has length 181 [2023-11-06 22:09:05,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:09:05,734 INFO L495 AbstractCegarLoop]: Abstraction has 26360 states and 36691 transitions. [2023-11-06 22:09:05,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 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 22:09:05,735 INFO L276 IsEmpty]: Start isEmpty. Operand 26360 states and 36691 transitions. [2023-11-06 22:09:05,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-11-06 22:09:05,751 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:09:05,752 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:09:05,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:09:05,752 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:09:05,753 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:09:05,753 INFO L85 PathProgramCache]: Analyzing trace with hash -25511791, now seen corresponding path program 1 times [2023-11-06 22:09:05,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:09:05,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147862086] [2023-11-06 22:09:05,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:09:05,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:09:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:09:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:09:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:09:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:09:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:09:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:09:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:09:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-06 22:09:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:09:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:09:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-06 22:09:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-06 22:09:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-06 22:09:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-06 22:09:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-06 22:09:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-06 22:09:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-06 22:09:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:07,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-06 22:09:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:08,000 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2023-11-06 22:09:08,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:09:08,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147862086] [2023-11-06 22:09:08,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147862086] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:09:08,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:09:08,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:09:08,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981232846] [2023-11-06 22:09:08,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:09:08,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:09:08,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:09:08,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:09:08,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:09:08,003 INFO L87 Difference]: Start difference. First operand 26360 states and 36691 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 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 22:09:15,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:09:15,152 INFO L93 Difference]: Finished difference Result 27431 states and 38496 transitions. [2023-11-06 22:09:15,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:09:15,153 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 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 186 [2023-11-06 22:09:15,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:09:15,243 INFO L225 Difference]: With dead ends: 27431 [2023-11-06 22:09:15,243 INFO L226 Difference]: Without dead ends: 27429 [2023-11-06 22:09:15,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 51 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 22:09:15,260 INFO L413 NwaCegarLoop]: 2661 mSDtfsCounter, 3682 mSDsluCounter, 6013 mSDsCounter, 0 mSdLazyCounter, 4242 mSolverCounterSat, 1157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4108 SdHoareTripleChecker+Valid, 8674 SdHoareTripleChecker+Invalid, 5399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1157 IncrementalHoareTripleChecker+Valid, 4242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:09:15,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4108 Valid, 8674 Invalid, 5399 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1157 Valid, 4242 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-11-06 22:09:15,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27429 states. [2023-11-06 22:09:16,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27429 to 26364. [2023-11-06 22:09:16,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26364 states, 18059 states have (on average 1.2705022426490946) internal successors, (22944), 18622 states have internal predecessors, (22944), 6868 states have call successors, (6868), 1447 states have call predecessors, (6868), 1434 states have return successors, (6882), 6576 states have call predecessors, (6882), 6864 states have call successors, (6882) [2023-11-06 22:09:17,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26364 states to 26364 states and 36694 transitions. [2023-11-06 22:09:17,033 INFO L78 Accepts]: Start accepts. Automaton has 26364 states and 36694 transitions. Word has length 186 [2023-11-06 22:09:17,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:09:17,037 INFO L495 AbstractCegarLoop]: Abstraction has 26364 states and 36694 transitions. [2023-11-06 22:09:17,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 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 22:09:17,037 INFO L276 IsEmpty]: Start isEmpty. Operand 26364 states and 36694 transitions. [2023-11-06 22:09:17,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-06 22:09:17,053 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:09:17,053 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:09:17,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:09:17,054 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:09:17,054 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:09:17,054 INFO L85 PathProgramCache]: Analyzing trace with hash 503163280, now seen corresponding path program 1 times [2023-11-06 22:09:17,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:09:17,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889276459] [2023-11-06 22:09:17,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:09:17,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:09:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:09:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:09:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:09:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:09:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:09:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:09:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:09:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-06 22:09:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:09:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:09:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-06 22:09:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-06 22:09:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-06 22:09:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-06 22:09:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-06 22:09:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-06 22:09:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-06 22:09:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-06 22:09:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-06 22:09:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:18,788 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2023-11-06 22:09:18,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:09:18,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889276459] [2023-11-06 22:09:18,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889276459] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:09:18,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:09:18,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:09:18,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67520984] [2023-11-06 22:09:18,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:09:18,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:09:18,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:09:18,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:09:18,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:09:18,791 INFO L87 Difference]: Start difference. First operand 26364 states and 36694 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 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 22:09:26,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:09:26,381 INFO L93 Difference]: Finished difference Result 27435 states and 38499 transitions. [2023-11-06 22:09:26,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:09:26,381 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 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 191 [2023-11-06 22:09:26,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:09:26,459 INFO L225 Difference]: With dead ends: 27435 [2023-11-06 22:09:26,459 INFO L226 Difference]: Without dead ends: 27433 [2023-11-06 22:09:26,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 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 22:09:26,470 INFO L413 NwaCegarLoop]: 2659 mSDtfsCounter, 3682 mSDsluCounter, 6007 mSDsCounter, 0 mSdLazyCounter, 4241 mSolverCounterSat, 1156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4110 SdHoareTripleChecker+Valid, 8666 SdHoareTripleChecker+Invalid, 5397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1156 IncrementalHoareTripleChecker+Valid, 4241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:09:26,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4110 Valid, 8666 Invalid, 5397 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1156 Valid, 4241 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-11-06 22:09:26,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27433 states. [2023-11-06 22:09:28,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27433 to 26368. [2023-11-06 22:09:28,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26368 states, 18062 states have (on average 1.270457313697265) internal successors, (22947), 18625 states have internal predecessors, (22947), 6868 states have call successors, (6868), 1448 states have call predecessors, (6868), 1435 states have return successors, (6882), 6576 states have call predecessors, (6882), 6864 states have call successors, (6882) [2023-11-06 22:09:28,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26368 states to 26368 states and 36697 transitions. [2023-11-06 22:09:28,259 INFO L78 Accepts]: Start accepts. Automaton has 26368 states and 36697 transitions. Word has length 191 [2023-11-06 22:09:28,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:09:28,259 INFO L495 AbstractCegarLoop]: Abstraction has 26368 states and 36697 transitions. [2023-11-06 22:09:28,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 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 22:09:28,260 INFO L276 IsEmpty]: Start isEmpty. Operand 26368 states and 36697 transitions. [2023-11-06 22:09:28,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-06 22:09:28,273 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:09:28,274 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:09:28,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:09:28,274 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:09:28,274 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:09:28,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1643014223, now seen corresponding path program 1 times [2023-11-06 22:09:28,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:09:28,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38222773] [2023-11-06 22:09:28,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:09:28,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:09:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:09:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:09:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:09:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:09:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:09:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:09:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:09:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-06 22:09:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:09:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:09:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-06 22:09:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-06 22:09:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-06 22:09:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-06 22:09:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-06 22:09:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-06 22:09:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-06 22:09:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-06 22:09:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-06 22:09:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-06 22:09:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:29,869 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2023-11-06 22:09:29,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:09:29,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38222773] [2023-11-06 22:09:29,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38222773] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:09:29,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:09:29,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:09:29,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331734678] [2023-11-06 22:09:29,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:09:29,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:09:29,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:09:29,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:09:29,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:09:29,871 INFO L87 Difference]: Start difference. First operand 26368 states and 36697 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-06 22:09:37,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:09:37,242 INFO L93 Difference]: Finished difference Result 27439 states and 38502 transitions. [2023-11-06 22:09:37,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:09:37,242 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 196 [2023-11-06 22:09:37,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:09:37,332 INFO L225 Difference]: With dead ends: 27439 [2023-11-06 22:09:37,332 INFO L226 Difference]: Without dead ends: 27437 [2023-11-06 22:09:37,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 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 22:09:37,347 INFO L413 NwaCegarLoop]: 2658 mSDtfsCounter, 3683 mSDsluCounter, 6004 mSDsCounter, 0 mSdLazyCounter, 4242 mSolverCounterSat, 1153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4113 SdHoareTripleChecker+Valid, 8662 SdHoareTripleChecker+Invalid, 5395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1153 IncrementalHoareTripleChecker+Valid, 4242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:09:37,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4113 Valid, 8662 Invalid, 5395 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1153 Valid, 4242 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-11-06 22:09:37,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27437 states. [2023-11-06 22:09:38,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27437 to 26372. [2023-11-06 22:09:39,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26372 states, 18065 states have (on average 1.270412399667866) internal successors, (22950), 18628 states have internal predecessors, (22950), 6868 states have call successors, (6868), 1449 states have call predecessors, (6868), 1436 states have return successors, (6882), 6576 states have call predecessors, (6882), 6864 states have call successors, (6882) [2023-11-06 22:09:39,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26372 states to 26372 states and 36700 transitions. [2023-11-06 22:09:39,113 INFO L78 Accepts]: Start accepts. Automaton has 26372 states and 36700 transitions. Word has length 196 [2023-11-06 22:09:39,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:09:39,113 INFO L495 AbstractCegarLoop]: Abstraction has 26372 states and 36700 transitions. [2023-11-06 22:09:39,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-06 22:09:39,114 INFO L276 IsEmpty]: Start isEmpty. Operand 26372 states and 36700 transitions. [2023-11-06 22:09:39,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-06 22:09:39,129 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:09:39,129 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 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] [2023-11-06 22:09:39,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:09:39,130 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:09:39,130 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:09:39,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1427548410, now seen corresponding path program 1 times [2023-11-06 22:09:39,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:09:39,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061697318] [2023-11-06 22:09:39,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:09:39,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:09:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:09:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:09:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:09:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:09:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:09:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:09:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:09:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-06 22:09:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:09:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:09:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-06 22:09:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-06 22:09:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:09:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-06 22:09:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-06 22:09:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-11-06 22:09:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-06 22:09:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:09:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:09:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-06 22:09:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-06 22:09:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-11-06 22:09:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-06 22:09:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-06 22:09:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-11-06 22:09:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:09:40,435 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-11-06 22:09:40,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:09:40,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061697318] [2023-11-06 22:09:40,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061697318] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:09:40,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:09:40,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:09:40,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008356877] [2023-11-06 22:09:40,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:09:40,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:09:40,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:09:40,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:09:40,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:09:40,438 INFO L87 Difference]: Start difference. First operand 26372 states and 36700 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-06 22:10:01,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:01,352 INFO L93 Difference]: Finished difference Result 54253 states and 75895 transitions. [2023-11-06 22:10:01,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:10:01,352 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 217 [2023-11-06 22:10:01,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:01,471 INFO L225 Difference]: With dead ends: 54253 [2023-11-06 22:10:01,471 INFO L226 Difference]: Without dead ends: 36500 [2023-11-06 22:10:01,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 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 22:10:01,548 INFO L413 NwaCegarLoop]: 2672 mSDtfsCounter, 4933 mSDsluCounter, 4178 mSDsCounter, 0 mSdLazyCounter, 10039 mSolverCounterSat, 2361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5469 SdHoareTripleChecker+Valid, 6850 SdHoareTripleChecker+Invalid, 12400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2361 IncrementalHoareTripleChecker+Valid, 10039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:01,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5469 Valid, 6850 Invalid, 12400 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2361 Valid, 10039 Invalid, 0 Unknown, 0 Unchecked, 17.1s Time] [2023-11-06 22:10:01,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36500 states. [2023-11-06 22:10:04,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36500 to 35034. [2023-11-06 22:10:04,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35034 states, 23995 states have (on average 1.2704313398624714) internal successors, (30484), 24741 states have internal predecessors, (30484), 9125 states have call successors, (9125), 1928 states have call predecessors, (9125), 1911 states have return successors, (9145), 8740 states have call predecessors, (9145), 9121 states have call successors, (9145) [2023-11-06 22:10:05,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35034 states to 35034 states and 48754 transitions. [2023-11-06 22:10:05,018 INFO L78 Accepts]: Start accepts. Automaton has 35034 states and 48754 transitions. Word has length 217 [2023-11-06 22:10:05,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:05,019 INFO L495 AbstractCegarLoop]: Abstraction has 35034 states and 48754 transitions. [2023-11-06 22:10:05,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-06 22:10:05,019 INFO L276 IsEmpty]: Start isEmpty. Operand 35034 states and 48754 transitions. [2023-11-06 22:10:05,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-06 22:10:05,033 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:05,033 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 7, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:05,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:10:05,034 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:10:05,034 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:05,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1951437328, now seen corresponding path program 1 times [2023-11-06 22:10:05,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:05,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642231325] [2023-11-06 22:10:05,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:05,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:10:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:10:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:10:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:10:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:10:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:10:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:10:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-06 22:10:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:10:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:10:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-06 22:10:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-06 22:10:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-06 22:10:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-06 22:10:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-06 22:10:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-06 22:10:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-06 22:10:06,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-06 22:10:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-06 22:10:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-06 22:10:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-06 22:10:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:06,513 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2023-11-06 22:10:06,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:06,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642231325] [2023-11-06 22:10:06,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642231325] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:06,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:06,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:10:06,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747999629] [2023-11-06 22:10:06,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:06,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:10:06,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:06,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:10:06,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:10:06,515 INFO L87 Difference]: Start difference. First operand 35034 states and 48754 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-06 22:10:15,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:15,687 INFO L93 Difference]: Finished difference Result 36460 states and 51157 transitions. [2023-11-06 22:10:15,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:10:15,688 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 201 [2023-11-06 22:10:15,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:15,801 INFO L225 Difference]: With dead ends: 36460 [2023-11-06 22:10:15,801 INFO L226 Difference]: Without dead ends: 36458 [2023-11-06 22:10:15,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 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 22:10:15,814 INFO L413 NwaCegarLoop]: 2656 mSDtfsCounter, 3684 mSDsluCounter, 6003 mSDsCounter, 0 mSdLazyCounter, 4239 mSolverCounterSat, 1155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4113 SdHoareTripleChecker+Valid, 8659 SdHoareTripleChecker+Invalid, 5394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1155 IncrementalHoareTripleChecker+Valid, 4239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:15,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4113 Valid, 8659 Invalid, 5394 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1155 Valid, 4239 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-11-06 22:10:15,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36458 states. [2023-11-06 22:10:19,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36458 to 35038. [2023-11-06 22:10:19,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35038 states, 23998 states have (on average 1.2703975331277606) internal successors, (30487), 24744 states have internal predecessors, (30487), 9125 states have call successors, (9125), 1929 states have call predecessors, (9125), 1912 states have return successors, (9145), 8740 states have call predecessors, (9145), 9121 states have call successors, (9145) [2023-11-06 22:10:19,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35038 states to 35038 states and 48757 transitions. [2023-11-06 22:10:19,762 INFO L78 Accepts]: Start accepts. Automaton has 35038 states and 48757 transitions. Word has length 201 [2023-11-06 22:10:19,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:19,763 INFO L495 AbstractCegarLoop]: Abstraction has 35038 states and 48757 transitions. [2023-11-06 22:10:19,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-06 22:10:19,764 INFO L276 IsEmpty]: Start isEmpty. Operand 35038 states and 48757 transitions. [2023-11-06 22:10:19,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-06 22:10:19,778 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:19,779 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 8, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:19,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 22:10:19,779 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:10:19,780 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:19,780 INFO L85 PathProgramCache]: Analyzing trace with hash 820362961, now seen corresponding path program 1 times [2023-11-06 22:10:19,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:19,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340765454] [2023-11-06 22:10:19,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:19,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:10:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:10:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:10:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:10:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:10:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:10:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:10:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-06 22:10:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:10:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:10:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-06 22:10:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-06 22:10:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-06 22:10:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-06 22:10:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-06 22:10:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-06 22:10:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-06 22:10:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-06 22:10:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-06 22:10:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-06 22:10:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-06 22:10:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-11-06 22:10:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:21,379 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2023-11-06 22:10:21,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:21,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340765454] [2023-11-06 22:10:21,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340765454] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:21,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:21,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:10:21,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188469739] [2023-11-06 22:10:21,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:21,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:10:21,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:21,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:10:21,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:10:21,382 INFO L87 Difference]: Start difference. First operand 35038 states and 48757 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:10:30,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:10:30,705 INFO L93 Difference]: Finished difference Result 36464 states and 51160 transitions. [2023-11-06 22:10:30,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:10:30,705 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 206 [2023-11-06 22:10:30,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:10:30,915 INFO L225 Difference]: With dead ends: 36464 [2023-11-06 22:10:30,916 INFO L226 Difference]: Without dead ends: 36462 [2023-11-06 22:10:30,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 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 22:10:30,927 INFO L413 NwaCegarLoop]: 2655 mSDtfsCounter, 3684 mSDsluCounter, 6001 mSDsCounter, 0 mSdLazyCounter, 4237 mSolverCounterSat, 1157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4112 SdHoareTripleChecker+Valid, 8656 SdHoareTripleChecker+Invalid, 5394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1157 IncrementalHoareTripleChecker+Valid, 4237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:10:30,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4112 Valid, 8656 Invalid, 5394 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1157 Valid, 4237 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2023-11-06 22:10:30,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36462 states. [2023-11-06 22:10:35,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36462 to 35042. [2023-11-06 22:10:35,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35042 states, 24001 states have (on average 1.2703637348443815) internal successors, (30490), 24747 states have internal predecessors, (30490), 9125 states have call successors, (9125), 1930 states have call predecessors, (9125), 1913 states have return successors, (9145), 8740 states have call predecessors, (9145), 9121 states have call successors, (9145) [2023-11-06 22:10:35,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35042 states to 35042 states and 48760 transitions. [2023-11-06 22:10:35,271 INFO L78 Accepts]: Start accepts. Automaton has 35042 states and 48760 transitions. Word has length 206 [2023-11-06 22:10:35,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:10:35,272 INFO L495 AbstractCegarLoop]: Abstraction has 35042 states and 48760 transitions. [2023-11-06 22:10:35,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-06 22:10:35,272 INFO L276 IsEmpty]: Start isEmpty. Operand 35042 states and 48760 transitions. [2023-11-06 22:10:35,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-06 22:10:35,287 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:10:35,287 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 8, 8, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:10:35,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 22:10:35,287 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:10:35,288 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:10:35,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1630595664, now seen corresponding path program 1 times [2023-11-06 22:10:35,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:10:35,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206813297] [2023-11-06 22:10:35,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:10:35,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:10:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:10:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:10:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:10:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-06 22:10:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-06 22:10:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 22:10:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:10:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-06 22:10:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:10:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:10:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-06 22:10:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-06 22:10:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:10:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-06 22:10:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-11-06 22:10:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-06 22:10:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-06 22:10:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-06 22:10:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-11-06 22:10:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-06 22:10:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-06 22:10:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-11-06 22:10:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-11-06 22:10:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-06 22:10:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:10:36,561 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2023-11-06 22:10:36,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:10:36,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206813297] [2023-11-06 22:10:36,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206813297] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:10:36,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:10:36,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:10:36,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318768251] [2023-11-06 22:10:36,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:10:36,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:10:36,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:10:36,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:10:36,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:10:36,563 INFO L87 Difference]: Start difference. First operand 35042 states and 48760 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)