./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741aa6d0-8815-46df-9283-9fc178495655/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741aa6d0-8815-46df-9283-9fc178495655/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_741aa6d0-8815-46df-9283-9fc178495655/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741aa6d0-8815-46df-9283-9fc178495655/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741aa6d0-8815-46df-9283-9fc178495655/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_741aa6d0-8815-46df-9283-9fc178495655/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 adae9e973a71be7ae6bae40bd619f2dd42436469ca3cae3ee4a6c75222eea08e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:09:32,998 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:09:33,122 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741aa6d0-8815-46df-9283-9fc178495655/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 22:09:33,129 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:09:33,130 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:09:33,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:09:33,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:09:33,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:09:33,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:09:33,176 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:09:33,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:09:33,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:09:33,178 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:09:33,180 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:09:33,181 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:09:33,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:09:33,182 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:09:33,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:09:33,183 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:09:33,184 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:09:33,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:09:33,185 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:09:33,186 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:09:33,186 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:09:33,187 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:09:33,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:09:33,188 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:09:33,188 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:09:33,189 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:09:33,189 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:09:33,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:09:33,191 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:09:33,191 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:09:33,192 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:09:33,192 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:09:33,193 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:09:33,193 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_741aa6d0-8815-46df-9283-9fc178495655/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741aa6d0-8815-46df-9283-9fc178495655/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adae9e973a71be7ae6bae40bd619f2dd42436469ca3cae3ee4a6c75222eea08e [2023-11-06 22:09:33,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:09:33,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:09:33,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:09:33,559 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:09:33,560 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:09:33,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741aa6d0-8815-46df-9283-9fc178495655/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2023-11-06 22:09:36,593 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:09:37,609 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:09:37,609 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741aa6d0-8815-46df-9283-9fc178495655/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2023-11-06 22:09:37,687 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741aa6d0-8815-46df-9283-9fc178495655/bin/uautomizer-verify-WvqO1wxjHP/data/a3e0967bc/9ae8cc5cff8040eabe9dc2eb82a9269e/FLAGd678d9b64 [2023-11-06 22:09:37,706 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741aa6d0-8815-46df-9283-9fc178495655/bin/uautomizer-verify-WvqO1wxjHP/data/a3e0967bc/9ae8cc5cff8040eabe9dc2eb82a9269e [2023-11-06 22:09:37,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:09:37,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:09:37,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:09:37,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:09:37,727 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:09:37,728 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:09:37" (1/1) ... [2023-11-06 22:09:37,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e6bad8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:37, skipping insertion in model container [2023-11-06 22:09:37,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:09:37" (1/1) ... [2023-11-06 22:09:38,003 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:09:45,729 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_741aa6d0-8815-46df-9283-9fc178495655/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772474,772487] [2023-11-06 22:09:45,733 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_741aa6d0-8815-46df-9283-9fc178495655/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772643,772656] [2023-11-06 22:09:45,734 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_741aa6d0-8815-46df-9283-9fc178495655/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772810,772823] [2023-11-06 22:09:45,735 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_741aa6d0-8815-46df-9283-9fc178495655/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772978,772991] [2023-11-06 22:09:45,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:09:45,898 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:09:46,013 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"); [7200] [2023-11-06 22:09:46,015 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)); [7207] [2023-11-06 22:09:46,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [7214] [2023-11-06 22:09:46,018 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/7cdfae59d3ac602223400f61d8829e28/klever-core-work-dir/520b8de/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [7283-7284] [2023-11-06 22:09:46,019 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"); [7289-7291] [2023-11-06 22:09:46,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [7359] [2023-11-06 22:09:46,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7362] [2023-11-06 22:09:46,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7365] [2023-11-06 22:09:46,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [7368] [2023-11-06 22:09:46,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [7496] [2023-11-06 22:09:46,029 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)); [7656-7657] [2023-11-06 22:09:46,031 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)); [7690-7691] [2023-11-06 22:09:46,033 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)); [7727-7728] [2023-11-06 22:09:46,034 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" (115), "i" (12UL)); [7764-7765] [2023-11-06 22:09:46,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [13234] [2023-11-06 22:09:46,772 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_741aa6d0-8815-46df-9283-9fc178495655/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772474,772487] [2023-11-06 22:09:46,773 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_741aa6d0-8815-46df-9283-9fc178495655/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772643,772656] [2023-11-06 22:09:46,773 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_741aa6d0-8815-46df-9283-9fc178495655/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772810,772823] [2023-11-06 22:09:46,774 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_741aa6d0-8815-46df-9283-9fc178495655/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772978,772991] [2023-11-06 22:09:46,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:09:47,361 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:09:47,362 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:09:47,362 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:09:47,370 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:09:47,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:47 WrapperNode [2023-11-06 22:09:47,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:09:47,372 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:09:47,372 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:09:47,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:09:47,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:47" (1/1) ... [2023-11-06 22:09:47,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:47" (1/1) ... [2023-11-06 22:09:48,443 INFO L138 Inliner]: procedures = 710, calls = 12393, calls flagged for inlining = 309, calls inlined = 228, statements flattened = 14554 [2023-11-06 22:09:48,444 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:09:48,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:09:48,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:09:48,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:09:48,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:47" (1/1) ... [2023-11-06 22:09:48,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:47" (1/1) ... [2023-11-06 22:09:48,519 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:47" (1/1) ... [2023-11-06 22:09:48,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:47" (1/1) ... [2023-11-06 22:09:48,955 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:47" (1/1) ... [2023-11-06 22:09:49,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:47" (1/1) ... [2023-11-06 22:09:49,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:47" (1/1) ... [2023-11-06 22:09:49,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:47" (1/1) ... [2023-11-06 22:09:49,359 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:09:49,360 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:09:49,360 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:09:49,360 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:09:49,361 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:47" (1/1) ... [2023-11-06 22:09:49,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:09:49,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741aa6d0-8815-46df-9283-9fc178495655/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:09:49,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741aa6d0-8815-46df-9283-9fc178495655/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:09:49,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741aa6d0-8815-46df-9283-9fc178495655/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:09:49,529 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-06 22:09:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-06 22:09:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-06 22:09:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-06 22:09:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure read_register [2023-11-06 22:09:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register [2023-11-06 22:09:49,530 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_data [2023-11-06 22:09:49,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_data [2023-11-06 22:09:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure write_register_byte [2023-11-06 22:09:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register_byte [2023-11-06 22:09:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 22:09:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 22:09:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-06 22:09:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-06 22:09:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2023-11-06 22:09:49,531 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2023-11-06 22:09:49,531 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_release_firmware [2023-11-06 22:09:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_release_firmware [2023-11-06 22:09:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2023-11-06 22:09:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2023-11-06 22:09:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-06 22:09:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-06 22:09:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_configure_security [2023-11-06 22:09:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_configure_security [2023-11-06 22:09:49,532 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-06 22:09:49,532 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-06 22:09:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-06 22:09:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-06 22:09:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_adapter [2023-11-06 22:09:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_adapter [2023-11-06 22:09:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_security_information [2023-11-06 22:09:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_security_information [2023-11-06 22:09:49,533 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-06 22:09:49,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-06 22:09:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-06 22:09:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-06 22:09:49,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-06 22:09:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-06 22:09:49,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-06 22:09:49,534 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-06 22:09:49,534 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-06 22:09:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-06 22:09:49,537 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-06 22:09:49,537 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mandatory_bssid [2023-11-06 22:09:49,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mandatory_bssid [2023-11-06 22:09:49,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-06 22:09:49,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-06 22:09:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2023-11-06 22:09:49,539 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2023-11-06 22:09:49,539 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_unregister [2023-11-06 22:09:49,539 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_unregister [2023-11-06 22:09:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_adapter [2023-11-06 22:09:49,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_adapter [2023-11-06 22:09:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-06 22:09:49,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-06 22:09:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:09:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_send_command [2023-11-06 22:09:49,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_send_command [2023-11-06 22:09:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-06 22:09:49,542 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-06 22:09:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_word [2023-11-06 22:09:49,542 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_word [2023-11-06 22:09:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-06 22:09:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-06 22:09:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure isr_scan_complete [2023-11-06 22:09:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_scan_complete [2023-11-06 22:09:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_power_mode [2023-11-06 22:09:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_power_mode [2023-11-06 22:09:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-06 22:09:49,544 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-06 22:09:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_byte [2023-11-06 22:09:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_byte [2023-11-06 22:09:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2023-11-06 22:09:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2023-11-06 22:09:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 22:09:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-06 22:09:49,547 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-06 22:09:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2023-11-06 22:09:49,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2023-11-06 22:09:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 22:09:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_dword [2023-11-06 22:09:49,548 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_dword [2023-11-06 22:09:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-06 22:09:49,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-06 22:09:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_channel [2023-11-06 22:09:49,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_channel [2023-11-06 22:09:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:09:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-06 22:09:49,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-06 22:09:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_up [2023-11-06 22:09:49,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_up [2023-11-06 22:09:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_commands [2023-11-06 22:09:49,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_commands [2023-11-06 22:09:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 22:09:49,551 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 22:09:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-06 22:09:49,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-06 22:09:49,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-06 22:09:49,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-06 22:09:49,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-06 22:09:49,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-06 22:09:49,552 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-06 22:09:49,553 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-06 22:09:49,553 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-06 22:09:49,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-06 22:09:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_adapter [2023-11-06 22:09:49,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_adapter [2023-11-06 22:09:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-06 22:09:49,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-06 22:09:49,554 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_scan_options [2023-11-06 22:09:49,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_scan_options [2023-11-06 22:09:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_txb_free [2023-11-06 22:09:49,555 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_txb_free [2023-11-06 22:09:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_fatalerror [2023-11-06 22:09:49,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_fatalerror [2023-11-06 22:09:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-06 22:09:49,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-06 22:09:49,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:09:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:09:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_rates [2023-11-06 22:09:49,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_rates [2023-11-06 22:09:49,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-06 22:09:49,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-06 22:09:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure print_ssid [2023-11-06 22:09:49,558 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ssid [2023-11-06 22:09:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-06 22:09:49,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-06 22:09:49,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:09:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-06 22:09:49,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-06 22:09:49,559 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-06 22:09:49,560 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_snapshot_free [2023-11-06 22:09:49,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_snapshot_free [2023-11-06 22:09:49,563 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-06 22:09:49,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-06 22:09:49,563 INFO L130 BoogieDeclarations]: Found specification of procedure snprint_line [2023-11-06 22:09:49,564 INFO L138 BoogieDeclarations]: Found implementation of procedure snprint_line [2023-11-06 22:09:49,564 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-06 22:09:49,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-06 22:09:49,565 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_reset [2023-11-06 22:09:49,565 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_reset [2023-11-06 22:09:49,570 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-06 22:09:49,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-06 22:09:49,570 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-06 22:09:49,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-06 22:09:49,571 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-06 22:09:49,571 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-06 22:09:49,571 INFO L130 BoogieDeclarations]: Found specification of procedure sw_reset_and_clock [2023-11-06 22:09:49,571 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_reset_and_clock [2023-11-06 22:09:49,571 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_interrupts [2023-11-06 22:09:49,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_interrupts [2023-11-06 22:09:49,571 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2023-11-06 22:09:49,572 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2023-11-06 22:09:49,572 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_resume [2023-11-06 22:09:49,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_resume [2023-11-06 22:09:49,572 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2023-11-06 22:09:49,572 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2023-11-06 22:09:49,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:09:49,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:09:49,573 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2023-11-06 22:09:49,573 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2023-11-06 22:09:49,573 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_pci_remove_one [2023-11-06 22:09:49,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_pci_remove_one [2023-11-06 22:09:49,573 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_free [2023-11-06 22:09:49,573 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_free [2023-11-06 22:09:49,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-06 22:09:49,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-06 22:09:49,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 22:09:49,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 22:09:49,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 22:09:49,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 22:09:49,575 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_alloc_skb [2023-11-06 22:09:49,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_alloc_skb [2023-11-06 22:09:49,576 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2023-11-06 22:09:49,576 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2023-11-06 22:09:49,576 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_get_ordinal [2023-11-06 22:09:49,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_get_ordinal [2023-11-06 22:09:49,576 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_stop_adapter [2023-11-06 22:09:49,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_stop_adapter [2023-11-06 22:09:49,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-06 22:09:49,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-06 22:09:49,577 INFO L130 BoogieDeclarations]: Found specification of procedure write_register [2023-11-06 22:09:49,577 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register [2023-11-06 22:09:49,577 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_set_gpio [2023-11-06 22:09:49,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_set_gpio [2023-11-06 22:09:49,577 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-06 22:09:49,577 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-06 22:09:49,578 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_down [2023-11-06 22:09:49,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_down [2023-11-06 22:09:49,578 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_close [2023-11-06 22:09:49,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_close [2023-11-06 22:09:49,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_low_lock_of_ipw2100_priv [2023-11-06 22:09:49,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_low_lock_of_ipw2100_priv [2023-11-06 22:09:49,578 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_wait_for_card_state [2023-11-06 22:09:49,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_wait_for_card_state [2023-11-06 22:09:49,579 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_rf_kill [2023-11-06 22:09:49,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_rf_kill [2023-11-06 22:09:49,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-06 22:09:49,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-06 22:09:49,579 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-06 22:09:49,580 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-06 22:09:49,581 INFO L130 BoogieDeclarations]: Found specification of procedure read_register_byte [2023-11-06 22:09:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register_byte [2023-11-06 22:09:49,581 INFO L130 BoogieDeclarations]: Found specification of procedure status_queue_free [2023-11-06 22:09:49,581 INFO L138 BoogieDeclarations]: Found implementation of procedure status_queue_free [2023-11-06 22:09:49,583 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-06 22:09:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-06 22:09:49,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 22:09:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 22:09:49,583 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-06 22:09:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-06 22:09:49,583 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_rx_free [2023-11-06 22:09:49,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_rx_free [2023-11-06 22:09:49,584 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-06 22:09:49,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-06 22:09:49,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-06 22:09:49,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-06 22:09:49,584 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-06 22:09:49,584 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-06 22:09:49,584 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-06 22:09:49,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-06 22:09:49,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:09:49,585 INFO L130 BoogieDeclarations]: Found specification of procedure mod_delayed_work [2023-11-06 22:09:49,585 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_delayed_work [2023-11-06 22:09:49,585 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-06 22:09:49,585 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-06 22:09:49,585 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_shutdown [2023-11-06 22:09:49,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_shutdown [2023-11-06 22:09:49,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:09:49,586 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_word [2023-11-06 22:09:49,586 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_word [2023-11-06 22:09:49,586 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_association_lost [2023-11-06 22:09:49,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_association_lost [2023-11-06 22:09:49,586 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_free [2023-11-06 22:09:49,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_free [2023-11-06 22:09:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mac_address [2023-11-06 22:09:49,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mac_address [2023-11-06 22:09:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_essid [2023-11-06 22:09:49,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_essid [2023-11-06 22:09:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-06 22:09:49,587 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-06 22:09:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:09:49,588 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 22:09:49,588 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 22:09:49,588 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_interrupts [2023-11-06 22:09:49,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_interrupts [2023-11-06 22:09:49,588 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-06 22:09:49,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-06 22:09:49,588 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_rts_threshold [2023-11-06 22:09:49,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_rts_threshold [2023-11-06 22:09:49,589 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_byte [2023-11-06 22:09:49,589 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_byte [2023-11-06 22:09:49,589 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-06 22:09:49,589 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-06 22:09:49,589 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-06 22:09:49,589 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-06 22:09:49,590 INFO L130 BoogieDeclarations]: Found specification of procedure free_libipw [2023-11-06 22:09:49,590 INFO L138 BoogieDeclarations]: Found implementation of procedure free_libipw [2023-11-06 22:09:49,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-06 22:09:49,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-06 22:09:49,594 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-06 22:09:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-06 22:09:49,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-06 22:09:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-06 22:09:49,595 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_msg_free [2023-11-06 22:09:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_msg_free [2023-11-06 22:09:49,595 INFO L130 BoogieDeclarations]: Found specification of procedure printk_buf [2023-11-06 22:09:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure printk_buf [2023-11-06 22:09:49,597 INFO L130 BoogieDeclarations]: Found specification of procedure ipw_ethtool_get_drvinfo [2023-11-06 22:09:49,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw_ethtool_get_drvinfo [2023-11-06 22:09:49,597 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-11-06 22:09:49,597 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-11-06 22:09:49,597 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_power [2023-11-06 22:09:49,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_power [2023-11-06 22:09:49,598 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-06 22:09:49,598 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-06 22:09:49,598 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2023-11-06 22:09:49,598 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2023-11-06 22:09:49,598 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-06 22:09:49,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-06 22:09:49,598 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2023-11-06 22:09:49,599 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2023-11-06 22:09:49,599 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_system_config [2023-11-06 22:09:49,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_system_config [2023-11-06 22:09:49,599 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_kill_works [2023-11-06 22:09:49,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_kill_works [2023-11-06 22:09:49,599 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2023-11-06 22:09:49,599 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2023-11-06 22:09:49,599 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 22:09:49,600 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 22:09:49,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:09:49,600 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_free [2023-11-06 22:09:49,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_free [2023-11-06 22:09:49,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 22:09:49,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 22:09:49,600 INFO L130 BoogieDeclarations]: Found specification of procedure rf_kill_active [2023-11-06 22:09:49,600 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_kill_active [2023-11-06 22:09:49,601 INFO L130 BoogieDeclarations]: Found specification of procedure get_seconds [2023-11-06 22:09:49,601 INFO L138 BoogieDeclarations]: Found implementation of procedure get_seconds [2023-11-06 22:09:49,601 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-06 22:09:49,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2023-11-06 22:09:49,601 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_allocate [2023-11-06 22:09:49,601 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_allocate [2023-11-06 22:09:49,601 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2023-11-06 22:09:49,601 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2023-11-06 22:09:49,602 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_priv [2023-11-06 22:09:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_priv [2023-11-06 22:09:49,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_91 [2023-11-06 22:09:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_91 [2023-11-06 22:09:49,602 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-06 22:09:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-06 22:09:49,602 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-06 22:09:49,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-06 22:09:49,603 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_timeout [2023-11-06 22:09:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_timeout [2023-11-06 22:09:49,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-06 22:09:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-06 22:09:49,603 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-06 22:09:49,603 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-06 22:09:49,603 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-06 22:09:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-06 22:09:49,604 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-06 22:09:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-06 22:09:49,604 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-06 22:09:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-06 22:09:49,604 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_open [2023-11-06 22:09:49,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_open [2023-11-06 22:09:49,604 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-06 22:09:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-06 22:09:49,605 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_initialize [2023-11-06 22:09:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_initialize [2023-11-06 22:09:49,605 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-06 22:09:49,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_low_lock_of_ipw2100_priv [2023-11-06 22:09:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_low_lock_of_ipw2100_priv [2023-11-06 22:09:49,605 INFO L130 BoogieDeclarations]: Found specification of procedure pm_qos_update_request [2023-11-06 22:09:49,605 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_qos_update_request [2023-11-06 22:09:49,606 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_associated [2023-11-06 22:09:49,606 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_associated [2023-11-06 22:09:49,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:09:49,606 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_scanning [2023-11-06 22:09:49,606 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_scanning [2023-11-06 22:09:49,606 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_dword [2023-11-06 22:09:49,606 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_dword [2023-11-06 22:09:49,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-06 22:09:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-06 22:09:49,607 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-06 22:09:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-06 22:09:49,607 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_initialize [2023-11-06 22:09:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_initialize [2023-11-06 22:09:49,607 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_start_scan [2023-11-06 22:09:49,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_start_scan [2023-11-06 22:09:49,607 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2023-11-06 22:09:49,608 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2023-11-06 22:09:51,159 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:09:51,164 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:10:04,030 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 22:12:22,677 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:12:22,714 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:12:22,714 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 22:12:22,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:12:22 BoogieIcfgContainer [2023-11-06 22:12:22,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:12:22,729 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:12:22,730 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:12:22,733 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:12:22,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:09:37" (1/3) ... [2023-11-06 22:12:22,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30041c14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:12:22, skipping insertion in model container [2023-11-06 22:12:22,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:09:47" (2/3) ... [2023-11-06 22:12:22,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30041c14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:12:22, skipping insertion in model container [2023-11-06 22:12:22,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:12:22" (3/3) ... [2023-11-06 22:12:22,737 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2023-11-06 22:12:22,758 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:12:22,759 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-06 22:12:22,939 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:12:22,949 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;@1198d84a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:12:22,953 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-06 22:12:22,979 INFO L276 IsEmpty]: Start isEmpty. Operand has 4705 states, 3354 states have (on average 1.4350029815146095) internal successors, (4813), 3382 states have internal predecessors, (4813), 1181 states have call successors, (1181), 167 states have call predecessors, (1181), 166 states have return successors, (1177), 1175 states have call predecessors, (1177), 1177 states have call successors, (1177) [2023-11-06 22:12:22,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-06 22:12:22,994 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:12:22,995 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2023-11-06 22:12:22,996 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:12:23,003 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:12:23,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1467443376, now seen corresponding path program 1 times [2023-11-06 22:12:23,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:12:23,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234178645] [2023-11-06 22:12:23,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:12:23,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:12:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:26,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:12:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:26,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:12:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:26,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:12:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:26,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:12:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:26,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:12:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:26,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:26,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:12:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:26,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 22:12:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:26,749 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-06 22:12:26,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:12:26,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234178645] [2023-11-06 22:12:26,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234178645] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:12:26,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:12:26,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:12:26,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139644507] [2023-11-06 22:12:26,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:12:26,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:12:26,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:12:26,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:12:26,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:12:26,811 INFO L87 Difference]: Start difference. First operand has 4705 states, 3354 states have (on average 1.4350029815146095) internal successors, (4813), 3382 states have internal predecessors, (4813), 1181 states have call successors, (1181), 167 states have call predecessors, (1181), 166 states have return successors, (1177), 1175 states have call predecessors, (1177), 1177 states have call successors, (1177) Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 22:12:27,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:12:27,808 INFO L93 Difference]: Finished difference Result 9378 states and 14752 transitions. [2023-11-06 22:12:27,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:12:27,811 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 61 [2023-11-06 22:12:27,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:12:27,878 INFO L225 Difference]: With dead ends: 9378 [2023-11-06 22:12:27,878 INFO L226 Difference]: Without dead ends: 4694 [2023-11-06 22:12:27,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:12:27,947 INFO L413 NwaCegarLoop]: 7114 mSDtfsCounter, 7083 mSDsluCounter, 14211 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7098 SdHoareTripleChecker+Valid, 21325 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:12:27,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7098 Valid, 21325 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:12:27,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4694 states. [2023-11-06 22:12:28,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4694 to 4694. [2023-11-06 22:12:28,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4694 states, 3348 states have (on average 1.4205495818399043) internal successors, (4756), 3375 states have internal predecessors, (4756), 1177 states have call successors, (1177), 167 states have call predecessors, (1177), 166 states have return successors, (1174), 1172 states have call predecessors, (1174), 1174 states have call successors, (1174) [2023-11-06 22:12:28,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4694 states to 4694 states and 7107 transitions. [2023-11-06 22:12:28,544 INFO L78 Accepts]: Start accepts. Automaton has 4694 states and 7107 transitions. Word has length 61 [2023-11-06 22:12:28,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:12:28,545 INFO L495 AbstractCegarLoop]: Abstraction has 4694 states and 7107 transitions. [2023-11-06 22:12:28,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-06 22:12:28,546 INFO L276 IsEmpty]: Start isEmpty. Operand 4694 states and 7107 transitions. [2023-11-06 22:12:28,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 22:12:28,550 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:12:28,550 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:12:28,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:12:28,551 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 22:12:28,551 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:12:28,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1744136159, now seen corresponding path program 1 times [2023-11-06 22:12:28,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:12:28,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210283457] [2023-11-06 22:12:28,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:12:28,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:12:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:31,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:12:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:31,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:12:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:31,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:12:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:31,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:12:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:31,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:12:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:31,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:31,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:12:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:31,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 22:12:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:31,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-06 22:12:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:31,436 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-06 22:12:31,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:12:31,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210283457] [2023-11-06 22:12:31,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210283457] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:12:31,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:12:31,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:12:31,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269606328] [2023-11-06 22:12:31,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:12:31,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:12:31,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:12:31,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:12:31,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:12:31,440 INFO L87 Difference]: Start difference. First operand 4694 states and 7107 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-06 22:12:32,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:12:32,116 INFO L93 Difference]: Finished difference Result 4700 states and 7112 transitions. [2023-11-06 22:12:32,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:12:32,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 66 [2023-11-06 22:12:32,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:12:32,160 INFO L225 Difference]: With dead ends: 4700 [2023-11-06 22:12:32,161 INFO L226 Difference]: Without dead ends: 4698 [2023-11-06 22:12:32,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:12:32,166 INFO L413 NwaCegarLoop]: 7104 mSDtfsCounter, 7066 mSDsluCounter, 14185 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7079 SdHoareTripleChecker+Valid, 21289 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:12:32,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7079 Valid, 21289 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:12:32,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4698 states. [2023-11-06 22:12:32,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4698 to 4698. [2023-11-06 22:12:32,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4698 states, 3351 states have (on average 1.420173082661892) internal successors, (4759), 3378 states have internal predecessors, (4759), 1177 states have call successors, (1177), 168 states have call predecessors, (1177), 167 states have return successors, (1174), 1172 states have call predecessors, (1174), 1174 states have call successors, (1174) [2023-11-06 22:12:32,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4698 states to 4698 states and 7110 transitions. [2023-11-06 22:12:32,663 INFO L78 Accepts]: Start accepts. Automaton has 4698 states and 7110 transitions. Word has length 66 [2023-11-06 22:12:32,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:12:32,664 INFO L495 AbstractCegarLoop]: Abstraction has 4698 states and 7110 transitions. [2023-11-06 22:12:32,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-06 22:12:32,664 INFO L276 IsEmpty]: Start isEmpty. Operand 4698 states and 7110 transitions. [2023-11-06 22:12:32,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-06 22:12:32,667 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:12:32,667 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:12:32,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:12:32,668 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-06 22:12:32,668 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:12:32,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1345106032, now seen corresponding path program 1 times [2023-11-06 22:12:32,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:12:32,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657651819] [2023-11-06 22:12:32,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:12:32,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:12:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:35,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:12:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:35,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:12:35,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:35,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:12:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:35,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:12:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:35,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:12:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:35,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:35,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:12:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:35,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 22:12:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:35,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-06 22:12:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:35,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:12:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:35,285 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-06 22:12:35,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:12:35,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657651819] [2023-11-06 22:12:35,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657651819] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:12:35,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:12:35,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:12:35,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891572578] [2023-11-06 22:12:35,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:12:35,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:12:35,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:12:35,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:12:35,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:12:35,294 INFO L87 Difference]: Start difference. First operand 4698 states and 7110 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:12:35,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:12:35,917 INFO L93 Difference]: Finished difference Result 4704 states and 7115 transitions. [2023-11-06 22:12:35,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:12:35,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 71 [2023-11-06 22:12:35,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:12:35,977 INFO L225 Difference]: With dead ends: 4704 [2023-11-06 22:12:35,977 INFO L226 Difference]: Without dead ends: 4702 [2023-11-06 22:12:35,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:12:35,989 INFO L413 NwaCegarLoop]: 7104 mSDtfsCounter, 7066 mSDsluCounter, 14185 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7078 SdHoareTripleChecker+Valid, 21289 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:12:35,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7078 Valid, 21289 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:12:36,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4702 states. [2023-11-06 22:12:36,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4702 to 4702. [2023-11-06 22:12:36,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4702 states, 3354 states have (on average 1.4197972570065593) internal successors, (4762), 3381 states have internal predecessors, (4762), 1177 states have call successors, (1177), 169 states have call predecessors, (1177), 168 states have return successors, (1174), 1172 states have call predecessors, (1174), 1174 states have call successors, (1174) [2023-11-06 22:12:36,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4702 states to 4702 states and 7113 transitions. [2023-11-06 22:12:36,462 INFO L78 Accepts]: Start accepts. Automaton has 4702 states and 7113 transitions. Word has length 71 [2023-11-06 22:12:36,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:12:36,463 INFO L495 AbstractCegarLoop]: Abstraction has 4702 states and 7113 transitions. [2023-11-06 22:12:36,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:12:36,463 INFO L276 IsEmpty]: Start isEmpty. Operand 4702 states and 7113 transitions. [2023-11-06 22:12:36,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-06 22:12:36,465 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:12:36,466 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 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] [2023-11-06 22:12:36,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:12:36,466 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 22:12:36,467 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:12:36,467 INFO L85 PathProgramCache]: Analyzing trace with hash -959565249, now seen corresponding path program 1 times [2023-11-06 22:12:36,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:12:36,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184691160] [2023-11-06 22:12:36,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:12:36,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:12:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:38,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:12:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:38,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:12:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:39,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:12:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:39,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:12:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:39,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:12:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:39,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:39,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:39,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:12:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:39,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 22:12:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:39,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-06 22:12:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:39,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:12:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:39,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:12:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:39,202 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-06 22:12:39,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:12:39,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184691160] [2023-11-06 22:12:39,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184691160] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:12:39,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:12:39,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:12:39,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813514286] [2023-11-06 22:12:39,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:12:39,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:12:39,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:12:39,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:12:39,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:12:39,207 INFO L87 Difference]: Start difference. First operand 4702 states and 7113 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 22:12:40,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:12:40,021 INFO L93 Difference]: Finished difference Result 4708 states and 7118 transitions. [2023-11-06 22:12:40,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:12:40,022 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 76 [2023-11-06 22:12:40,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:12:40,075 INFO L225 Difference]: With dead ends: 4708 [2023-11-06 22:12:40,076 INFO L226 Difference]: Without dead ends: 4706 [2023-11-06 22:12:40,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:12:40,087 INFO L413 NwaCegarLoop]: 7104 mSDtfsCounter, 7066 mSDsluCounter, 14185 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7077 SdHoareTripleChecker+Valid, 21289 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:12:40,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7077 Valid, 21289 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:12:40,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4706 states. [2023-11-06 22:12:40,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4706 to 4706. [2023-11-06 22:12:40,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4706 states, 3357 states have (on average 1.4194221030682157) internal successors, (4765), 3384 states have internal predecessors, (4765), 1177 states have call successors, (1177), 170 states have call predecessors, (1177), 169 states have return successors, (1174), 1172 states have call predecessors, (1174), 1174 states have call successors, (1174) [2023-11-06 22:12:40,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4706 states to 4706 states and 7116 transitions. [2023-11-06 22:12:40,739 INFO L78 Accepts]: Start accepts. Automaton has 4706 states and 7116 transitions. Word has length 76 [2023-11-06 22:12:40,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:12:40,742 INFO L495 AbstractCegarLoop]: Abstraction has 4706 states and 7116 transitions. [2023-11-06 22:12:40,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 22:12:40,742 INFO L276 IsEmpty]: Start isEmpty. Operand 4706 states and 7116 transitions. [2023-11-06 22:12:40,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:12:40,746 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:12:40,746 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 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] [2023-11-06 22:12:40,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:12:40,747 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 22:12:40,747 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:12:40,747 INFO L85 PathProgramCache]: Analyzing trace with hash -817000048, now seen corresponding path program 1 times [2023-11-06 22:12:40,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:12:40,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971973597] [2023-11-06 22:12:40,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:12:40,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:12:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:42,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:12:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:42,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:12:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:42,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:12:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:42,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:12:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:42,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:12:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:42,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:42,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:12:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:42,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 22:12:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:42,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-06 22:12:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:42,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:12:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:42,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:12:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:42,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 22:12:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:42,994 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-06 22:12:42,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:12:42,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971973597] [2023-11-06 22:12:42,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971973597] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:12:42,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:12:42,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:12:42,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024817204] [2023-11-06 22:12:42,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:12:42,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:12:42,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:12:42,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:12:42,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:12:42,997 INFO L87 Difference]: Start difference. First operand 4706 states and 7116 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-06 22:12:43,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:12:43,686 INFO L93 Difference]: Finished difference Result 4712 states and 7121 transitions. [2023-11-06 22:12:43,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:12:43,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 81 [2023-11-06 22:12:43,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:12:43,722 INFO L225 Difference]: With dead ends: 4712 [2023-11-06 22:12:43,722 INFO L226 Difference]: Without dead ends: 4710 [2023-11-06 22:12:43,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:12:43,728 INFO L413 NwaCegarLoop]: 7104 mSDtfsCounter, 7066 mSDsluCounter, 14185 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7076 SdHoareTripleChecker+Valid, 21289 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:12:43,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7076 Valid, 21289 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:12:43,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4710 states. [2023-11-06 22:12:44,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4710 to 4710. [2023-11-06 22:12:44,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4710 states, 3360 states have (on average 1.4190476190476191) internal successors, (4768), 3387 states have internal predecessors, (4768), 1177 states have call successors, (1177), 171 states have call predecessors, (1177), 170 states have return successors, (1174), 1172 states have call predecessors, (1174), 1174 states have call successors, (1174) [2023-11-06 22:12:44,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4710 states to 4710 states and 7119 transitions. [2023-11-06 22:12:44,203 INFO L78 Accepts]: Start accepts. Automaton has 4710 states and 7119 transitions. Word has length 81 [2023-11-06 22:12:44,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:12:44,204 INFO L495 AbstractCegarLoop]: Abstraction has 4710 states and 7119 transitions. [2023-11-06 22:12:44,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-06 22:12:44,204 INFO L276 IsEmpty]: Start isEmpty. Operand 4710 states and 7119 transitions. [2023-11-06 22:12:44,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-06 22:12:44,207 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:12:44,207 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 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] [2023-11-06 22:12:44,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:12:44,208 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 22:12:44,208 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:12:44,208 INFO L85 PathProgramCache]: Analyzing trace with hash -454609761, now seen corresponding path program 1 times [2023-11-06 22:12:44,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:12:44,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455665186] [2023-11-06 22:12:44,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:12:44,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:12:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:46,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:12:46,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:46,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:12:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:46,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:12:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:46,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:12:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:46,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:12:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:46,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:46,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:12:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:46,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 22:12:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:46,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-06 22:12:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:46,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:12:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:46,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:12:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:46,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 22:12:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:46,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 22:12:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:46,376 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-11-06 22:12:46,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:12:46,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455665186] [2023-11-06 22:12:46,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455665186] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:12:46,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:12:46,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:12:46,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797172290] [2023-11-06 22:12:46,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:12:46,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:12:46,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:12:46,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:12:46,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:12:46,379 INFO L87 Difference]: Start difference. First operand 4710 states and 7119 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-06 22:12:47,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:12:47,075 INFO L93 Difference]: Finished difference Result 4716 states and 7124 transitions. [2023-11-06 22:12:47,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:12:47,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 86 [2023-11-06 22:12:47,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:12:47,127 INFO L225 Difference]: With dead ends: 4716 [2023-11-06 22:12:47,127 INFO L226 Difference]: Without dead ends: 4714 [2023-11-06 22:12:47,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:12:47,133 INFO L413 NwaCegarLoop]: 7104 mSDtfsCounter, 7066 mSDsluCounter, 14185 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7075 SdHoareTripleChecker+Valid, 21289 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:12:47,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7075 Valid, 21289 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:12:47,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4714 states. [2023-11-06 22:12:47,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4714 to 4714. [2023-11-06 22:12:47,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4714 states, 3363 states have (on average 1.4186738031519477) internal successors, (4771), 3390 states have internal predecessors, (4771), 1177 states have call successors, (1177), 172 states have call predecessors, (1177), 171 states have return successors, (1174), 1172 states have call predecessors, (1174), 1174 states have call successors, (1174) [2023-11-06 22:12:47,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4714 states to 4714 states and 7122 transitions. [2023-11-06 22:12:47,659 INFO L78 Accepts]: Start accepts. Automaton has 4714 states and 7122 transitions. Word has length 86 [2023-11-06 22:12:47,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:12:47,660 INFO L495 AbstractCegarLoop]: Abstraction has 4714 states and 7122 transitions. [2023-11-06 22:12:47,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-06 22:12:47,661 INFO L276 IsEmpty]: Start isEmpty. Operand 4714 states and 7122 transitions. [2023-11-06 22:12:47,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-06 22:12:47,668 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:12:47,668 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:12:47,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:12:47,669 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 22:12:47,669 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:12:47,669 INFO L85 PathProgramCache]: Analyzing trace with hash -985044869, now seen corresponding path program 1 times [2023-11-06 22:12:47,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:12:47,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108049705] [2023-11-06 22:12:47,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:12:47,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:12:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:12:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:12:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:12:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:12:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:12:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:12:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 22:12:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 22:12:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 22:12:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 22:12:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:12:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-06 22:12:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-06 22:12:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-06 22:12:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:49,615 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-06 22:12:49,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:12:49,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108049705] [2023-11-06 22:12:49,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108049705] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:12:49,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:12:49,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:12:49,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695774605] [2023-11-06 22:12:49,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:12:49,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:12:49,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:12:49,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:12:49,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:12:49,619 INFO L87 Difference]: Start difference. First operand 4714 states and 7122 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-06 22:12:50,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:12:50,387 INFO L93 Difference]: Finished difference Result 4720 states and 7127 transitions. [2023-11-06 22:12:50,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:12:50,388 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 106 [2023-11-06 22:12:50,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:12:50,413 INFO L225 Difference]: With dead ends: 4720 [2023-11-06 22:12:50,413 INFO L226 Difference]: Without dead ends: 4718 [2023-11-06 22:12:50,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:12:50,418 INFO L413 NwaCegarLoop]: 7104 mSDtfsCounter, 7054 mSDsluCounter, 14185 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7062 SdHoareTripleChecker+Valid, 21289 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:12:50,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7062 Valid, 21289 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:12:50,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4718 states. [2023-11-06 22:12:50,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4718 to 4718. [2023-11-06 22:12:50,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4718 states, 3366 states have (on average 1.4183006535947713) internal successors, (4774), 3393 states have internal predecessors, (4774), 1177 states have call successors, (1177), 173 states have call predecessors, (1177), 172 states have return successors, (1174), 1172 states have call predecessors, (1174), 1174 states have call successors, (1174) [2023-11-06 22:12:50,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4718 states to 4718 states and 7125 transitions. [2023-11-06 22:12:50,929 INFO L78 Accepts]: Start accepts. Automaton has 4718 states and 7125 transitions. Word has length 106 [2023-11-06 22:12:50,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:12:50,930 INFO L495 AbstractCegarLoop]: Abstraction has 4718 states and 7125 transitions. [2023-11-06 22:12:50,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-06 22:12:50,930 INFO L276 IsEmpty]: Start isEmpty. Operand 4718 states and 7125 transitions. [2023-11-06 22:12:50,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-06 22:12:50,933 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:12:50,933 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:12:50,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:12:50,934 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 22:12:50,934 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:12:50,934 INFO L85 PathProgramCache]: Analyzing trace with hash 840837140, now seen corresponding path program 1 times [2023-11-06 22:12:50,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:12:50,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552930704] [2023-11-06 22:12:50,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:12:50,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:12:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:52,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:12:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:52,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:12:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:52,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:12:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:52,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:12:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:52,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:12:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:52,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:52,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:12:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:52,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 22:12:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:52,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 22:12:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:52,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 22:12:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:52,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 22:12:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:52,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:12:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:52,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-06 22:12:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:52,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-06 22:12:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:52,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-06 22:12:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:52,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 22:12:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:52,810 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-06 22:12:52,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:12:52,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552930704] [2023-11-06 22:12:52,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552930704] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:12:52,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:12:52,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:12:52,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348573779] [2023-11-06 22:12:52,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:12:52,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:12:52,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:12:52,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:12:52,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:12:52,813 INFO L87 Difference]: Start difference. First operand 4718 states and 7125 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 3 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 22:12:53,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:12:53,830 INFO L93 Difference]: Finished difference Result 4880 states and 7311 transitions. [2023-11-06 22:12:53,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:12:53,831 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 3 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 111 [2023-11-06 22:12:53,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:12:53,860 INFO L225 Difference]: With dead ends: 4880 [2023-11-06 22:12:53,860 INFO L226 Difference]: Without dead ends: 4878 [2023-11-06 22:12:53,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:12:53,867 INFO L413 NwaCegarLoop]: 7188 mSDtfsCounter, 6478 mSDsluCounter, 15102 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6485 SdHoareTripleChecker+Valid, 22290 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:12:53,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6485 Valid, 22290 Invalid, 38 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:12:53,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4878 states. [2023-11-06 22:12:54,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4878 to 4878. [2023-11-06 22:12:54,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4878 states, 3480 states have (on average 1.4120689655172414) internal successors, (4914), 3508 states have internal predecessors, (4914), 1199 states have call successors, (1199), 197 states have call predecessors, (1199), 196 states have return successors, (1196), 1194 states have call predecessors, (1196), 1196 states have call successors, (1196) [2023-11-06 22:12:54,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4878 states to 4878 states and 7309 transitions. [2023-11-06 22:12:54,569 INFO L78 Accepts]: Start accepts. Automaton has 4878 states and 7309 transitions. Word has length 111 [2023-11-06 22:12:54,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:12:54,570 INFO L495 AbstractCegarLoop]: Abstraction has 4878 states and 7309 transitions. [2023-11-06 22:12:54,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 3 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 22:12:54,570 INFO L276 IsEmpty]: Start isEmpty. Operand 4878 states and 7309 transitions. [2023-11-06 22:12:54,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-06 22:12:54,573 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:12:54,573 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:12:54,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:12:54,574 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 22:12:54,574 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:12:54,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1667541029, now seen corresponding path program 1 times [2023-11-06 22:12:54,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:12:54,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206927101] [2023-11-06 22:12:54,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:12:54,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:12:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:55,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:12:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:55,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:12:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:55,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:12:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:55,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:12:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:55,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:12:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:55,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:55,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:12:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:56,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 22:12:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:56,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 22:12:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:56,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 22:12:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:56,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 22:12:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:56,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:12:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:56,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-06 22:12:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:56,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-06 22:12:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:56,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-06 22:12:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:56,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 22:12:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:56,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:12:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:56,108 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-06 22:12:56,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:12:56,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206927101] [2023-11-06 22:12:56,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206927101] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:12:56,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:12:56,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:12:56,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42810945] [2023-11-06 22:12:56,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:12:56,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:12:56,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:12:56,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:12:56,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:12:56,111 INFO L87 Difference]: Start difference. First operand 4878 states and 7309 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-06 22:12:56,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:12:56,823 INFO L93 Difference]: Finished difference Result 4884 states and 7314 transitions. [2023-11-06 22:12:56,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:12:56,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (19), 3 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 116 [2023-11-06 22:12:56,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:12:56,847 INFO L225 Difference]: With dead ends: 4884 [2023-11-06 22:12:56,848 INFO L226 Difference]: Without dead ends: 4882 [2023-11-06 22:12:56,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:12:56,855 INFO L413 NwaCegarLoop]: 7104 mSDtfsCounter, 7054 mSDsluCounter, 14185 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7060 SdHoareTripleChecker+Valid, 21289 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:12:56,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7060 Valid, 21289 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:12:56,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4882 states. [2023-11-06 22:12:57,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4882 to 4882. [2023-11-06 22:12:57,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4882 states, 3483 states have (on average 1.4117140396210164) internal successors, (4917), 3511 states have internal predecessors, (4917), 1199 states have call successors, (1199), 198 states have call predecessors, (1199), 197 states have return successors, (1196), 1194 states have call predecessors, (1196), 1196 states have call successors, (1196) [2023-11-06 22:12:57,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4882 states to 4882 states and 7312 transitions. [2023-11-06 22:12:57,482 INFO L78 Accepts]: Start accepts. Automaton has 4882 states and 7312 transitions. Word has length 116 [2023-11-06 22:12:57,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:12:57,484 INFO L495 AbstractCegarLoop]: Abstraction has 4882 states and 7312 transitions. [2023-11-06 22:12:57,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-06 22:12:57,484 INFO L276 IsEmpty]: Start isEmpty. Operand 4882 states and 7312 transitions. [2023-11-06 22:12:57,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-06 22:12:57,487 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:12:57,487 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:12:57,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:12:57,488 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 22:12:57,488 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:12:57,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1078655948, now seen corresponding path program 1 times [2023-11-06 22:12:57,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:12:57,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039560008] [2023-11-06 22:12:57,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:12:57,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:12:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:59,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:12:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:59,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:12:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:59,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:12:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:59,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:12:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:59,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:12:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:59,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:12:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:59,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:12:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:59,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 22:12:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:59,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 22:12:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:59,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 22:12:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:59,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 22:12:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:59,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:12:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:59,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-06 22:12:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:59,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-06 22:12:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:59,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-06 22:12:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:59,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 22:12:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:59,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:12:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:59,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-06 22:12:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:12:59,646 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-06 22:12:59,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:12:59,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039560008] [2023-11-06 22:12:59,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039560008] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:12:59,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:12:59,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:12:59,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036575640] [2023-11-06 22:12:59,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:12:59,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:12:59,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:12:59,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:12:59,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:12:59,650 INFO L87 Difference]: Start difference. First operand 4882 states and 7312 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (20), 3 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 22:13:00,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:13:00,398 INFO L93 Difference]: Finished difference Result 4888 states and 7317 transitions. [2023-11-06 22:13:00,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:13:00,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (20), 3 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 121 [2023-11-06 22:13:00,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:13:00,424 INFO L225 Difference]: With dead ends: 4888 [2023-11-06 22:13:00,425 INFO L226 Difference]: Without dead ends: 4886 [2023-11-06 22:13:00,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:13:00,431 INFO L413 NwaCegarLoop]: 7104 mSDtfsCounter, 7054 mSDsluCounter, 14185 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7059 SdHoareTripleChecker+Valid, 21289 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:13:00,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7059 Valid, 21289 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:13:00,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4886 states. [2023-11-06 22:13:01,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4886 to 4886. [2023-11-06 22:13:01,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4886 states, 3486 states have (on average 1.4113597246127367) internal successors, (4920), 3514 states have internal predecessors, (4920), 1199 states have call successors, (1199), 199 states have call predecessors, (1199), 198 states have return successors, (1196), 1194 states have call predecessors, (1196), 1196 states have call successors, (1196) [2023-11-06 22:13:01,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4886 states to 4886 states and 7315 transitions. [2023-11-06 22:13:01,073 INFO L78 Accepts]: Start accepts. Automaton has 4886 states and 7315 transitions. Word has length 121 [2023-11-06 22:13:01,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:13:01,074 INFO L495 AbstractCegarLoop]: Abstraction has 4886 states and 7315 transitions. [2023-11-06 22:13:01,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (20), 3 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 22:13:01,074 INFO L276 IsEmpty]: Start isEmpty. Operand 4886 states and 7315 transitions. [2023-11-06 22:13:01,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-06 22:13:01,077 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:13:01,077 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 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] [2023-11-06 22:13:01,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:13:01,078 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 22:13:01,078 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:13:01,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1251534064, now seen corresponding path program 1 times [2023-11-06 22:13:01,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:13:01,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769392243] [2023-11-06 22:13:01,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:13:01,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:13:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:02,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 22:13:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:02,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:13:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:02,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 22:13:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:02,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:13:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:02,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:13:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:02,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:13:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:02,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:13:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:02,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 22:13:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:02,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-06 22:13:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:02,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:13:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:02,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 22:13:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:02,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 22:13:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:02,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 22:13:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:02,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:13:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:02,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-06 22:13:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:02,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-06 22:13:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:02,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-06 22:13:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:02,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 22:13:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:02,853 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2023-11-06 22:13:02,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:13:02,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769392243] [2023-11-06 22:13:02,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769392243] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:13:02,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:13:02,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:13:02,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806955220] [2023-11-06 22:13:02,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:13:02,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:13:02,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:13:02,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:13:02,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:13:02,858 INFO L87 Difference]: Start difference. First operand 4886 states and 7315 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (20), 3 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 22:13:03,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:13:03,656 INFO L93 Difference]: Finished difference Result 4892 states and 7320 transitions. [2023-11-06 22:13:03,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:13:03,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (20), 3 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 111 [2023-11-06 22:13:03,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:13:03,680 INFO L225 Difference]: With dead ends: 4892 [2023-11-06 22:13:03,680 INFO L226 Difference]: Without dead ends: 4890 [2023-11-06 22:13:03,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:13:03,685 INFO L413 NwaCegarLoop]: 7104 mSDtfsCounter, 7066 mSDsluCounter, 14185 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7070 SdHoareTripleChecker+Valid, 21289 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:13:03,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7070 Valid, 21289 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:13:03,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4890 states. [2023-11-06 22:13:04,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4890 to 4890. [2023-11-06 22:13:04,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4890 states, 3489 states have (on average 1.411006018916595) internal successors, (4923), 3517 states have internal predecessors, (4923), 1199 states have call successors, (1199), 200 states have call predecessors, (1199), 199 states have return successors, (1196), 1194 states have call predecessors, (1196), 1196 states have call successors, (1196) [2023-11-06 22:13:04,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4890 states to 4890 states and 7318 transitions. [2023-11-06 22:13:04,363 INFO L78 Accepts]: Start accepts. Automaton has 4890 states and 7318 transitions. Word has length 111 [2023-11-06 22:13:04,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:13:04,364 INFO L495 AbstractCegarLoop]: Abstraction has 4890 states and 7318 transitions. [2023-11-06 22:13:04,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (20), 3 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 22:13:04,364 INFO L276 IsEmpty]: Start isEmpty. Operand 4890 states and 7318 transitions. [2023-11-06 22:13:04,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-06 22:13:04,367 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:13:04,367 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:13:04,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 22:13:04,368 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 22:13:04,368 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:13:04,368 INFO L85 PathProgramCache]: Analyzing trace with hash 309389396, now seen corresponding path program 1 times [2023-11-06 22:13:04,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:13:04,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865982434] [2023-11-06 22:13:04,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:13:04,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:13:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat