./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_0595c99c-c5da-44dc-9859-7e89ddacd06c/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0595c99c-c5da-44dc-9859-7e89ddacd06c/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0595c99c-c5da-44dc-9859-7e89ddacd06c/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0595c99c-c5da-44dc-9859-7e89ddacd06c/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0595c99c-c5da-44dc-9859-7e89ddacd06c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0595c99c-c5da-44dc-9859-7e89ddacd06c/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:55:38,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:55:38,800 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0595c99c-c5da-44dc-9859-7e89ddacd06c/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:55:38,807 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:55:38,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:55:38,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:55:38,836 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:55:38,837 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:55:38,838 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:55:38,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:55:38,839 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:55:38,840 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:55:38,841 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:55:38,841 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:55:38,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:55:38,842 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:55:38,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:55:38,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:55:38,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:55:38,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:55:38,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:55:38,846 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:55:38,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:55:38,848 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:55:38,848 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:55:38,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:55:38,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:55:38,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:55:38,851 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:55:38,851 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:55:38,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:55:38,853 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:55:38,853 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:55:38,854 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:55:38,854 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:55:38,855 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:55:38,855 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_0595c99c-c5da-44dc-9859-7e89ddacd06c/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0595c99c-c5da-44dc-9859-7e89ddacd06c/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a [2023-11-19 07:55:39,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:55:39,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:55:39,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:55:39,192 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:55:39,193 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:55:39,194 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0595c99c-c5da-44dc-9859-7e89ddacd06c/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2023-11-19 07:55:42,455 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:55:43,167 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:55:43,168 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0595c99c-c5da-44dc-9859-7e89ddacd06c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2023-11-19 07:55:43,228 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0595c99c-c5da-44dc-9859-7e89ddacd06c/bin/uautomizer-verify-uCwYo4JHxu/data/4301b423b/5d1a6d18c95442809a4574e38da65a92/FLAG481ffe091 [2023-11-19 07:55:43,253 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0595c99c-c5da-44dc-9859-7e89ddacd06c/bin/uautomizer-verify-uCwYo4JHxu/data/4301b423b/5d1a6d18c95442809a4574e38da65a92 [2023-11-19 07:55:43,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:55:43,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:55:43,268 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:55:43,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:55:43,275 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:55:43,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:43" (1/1) ... [2023-11-19 07:55:43,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d7578f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:43, skipping insertion in model container [2023-11-19 07:55:43,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:43" (1/1) ... [2023-11-19 07:55:43,462 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:55:46,324 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_0595c99c-c5da-44dc-9859-7e89ddacd06c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323320,323333] [2023-11-19 07:55:46,330 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_0595c99c-c5da-44dc-9859-7e89ddacd06c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323489,323502] [2023-11-19 07:55:46,331 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_0595c99c-c5da-44dc-9859-7e89ddacd06c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323656,323669] [2023-11-19 07:55:46,332 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_0595c99c-c5da-44dc-9859-7e89ddacd06c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323824,323837] [2023-11-19 07:55:46,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:55:46,491 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:55:46,617 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"); [5245] [2023-11-19 07:55:46,626 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)); [5252] [2023-11-19 07:55:46,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5259] [2023-11-19 07:55:46,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5309-5310] [2023-11-19 07:55:46,631 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"); [5315-5317] [2023-11-19 07:55:46,640 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)); [5476-5477] [2023-11-19 07:55:46,642 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)); [5510-5511] [2023-11-19 07:55:46,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7257] [2023-11-19 07:55:46,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7580] [2023-11-19 07:55:46,926 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_0595c99c-c5da-44dc-9859-7e89ddacd06c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323320,323333] [2023-11-19 07:55:46,926 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_0595c99c-c5da-44dc-9859-7e89ddacd06c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323489,323502] [2023-11-19 07:55:46,927 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_0595c99c-c5da-44dc-9859-7e89ddacd06c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323656,323669] [2023-11-19 07:55:46,927 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_0595c99c-c5da-44dc-9859-7e89ddacd06c/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323824,323837] [2023-11-19 07:55:46,937 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:55:47,177 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:55:47,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:47 WrapperNode [2023-11-19 07:55:47,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:55:47,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:55:47,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:55:47,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:55:47,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:47" (1/1) ... [2023-11-19 07:55:47,312 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:47" (1/1) ... [2023-11-19 07:55:47,607 INFO L138 Inliner]: procedures = 422, calls = 2027, calls flagged for inlining = 203, calls inlined = 186, statements flattened = 6154 [2023-11-19 07:55:47,608 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:55:47,609 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:55:47,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:55:47,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:55:47,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:47" (1/1) ... [2023-11-19 07:55:47,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:47" (1/1) ... [2023-11-19 07:55:47,681 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:47" (1/1) ... [2023-11-19 07:55:47,681 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:47" (1/1) ... [2023-11-19 07:55:47,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:47" (1/1) ... [2023-11-19 07:55:47,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:47" (1/1) ... [2023-11-19 07:55:47,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:47" (1/1) ... [2023-11-19 07:55:47,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:47" (1/1) ... [2023-11-19 07:55:47,962 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:55:47,964 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:55:47,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:55:47,965 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:55:47,966 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:47" (1/1) ... [2023-11-19 07:55:47,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:55:47,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0595c99c-c5da-44dc-9859-7e89ddacd06c/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:55:48,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0595c99c-c5da-44dc-9859-7e89ddacd06c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:55:48,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0595c99c-c5da-44dc-9859-7e89ddacd06c/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:55:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-19 07:55:48,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-19 07:55:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:55:48,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:55:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 07:55:48,059 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 07:55:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_set_filter_mode [2023-11-19 07:55:48,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_set_filter_mode [2023-11-19 07:55:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 07:55:48,060 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 07:55:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:55:48,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:55:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_resume [2023-11-19 07:55:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_resume [2023-11-19 07:55:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 07:55:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 07:55:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-19 07:55:48,062 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-19 07:55:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_dmfe_board_info [2023-11-19 07:55:48,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_dmfe_board_info [2023-11-19 07:55:48,063 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 07:55:48,063 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 07:55:48,066 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-19 07:55:48,066 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-19 07:55:48,066 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-19 07:55:48,066 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-19 07:55:48,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2023-11-19 07:55:48,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2023-11-19 07:55:48,067 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-19 07:55:48,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-19 07:55:48,068 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 07:55:48,068 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 07:55:48,068 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_reuse_skb [2023-11-19 07:55:48,068 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_reuse_skb [2023-11-19 07:55:48,068 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2023-11-19 07:55:48,068 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2023-11-19 07:55:48,069 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 07:55:48,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 07:55:48,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 07:55:48,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 07:55:48,069 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 07:55:48,069 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 07:55:48,070 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-19 07:55:48,070 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-19 07:55:48,070 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 07:55:48,070 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 07:55:48,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:55:48,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:55:48,071 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2023-11-19 07:55:48,071 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2023-11-19 07:55:48,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:55:48,071 INFO L130 BoogieDeclarations]: Found specification of procedure poll_dmfe [2023-11-19 07:55:48,072 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_dmfe [2023-11-19 07:55:48,072 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 07:55:48,072 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 07:55:48,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:55:48,073 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:55:48,074 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:55:48,074 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-11-19 07:55:48,075 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-11-19 07:55:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:55:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 07:55:48,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 07:55:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_remove_one [2023-11-19 07:55:48,075 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_remove_one [2023-11-19 07:55:48,075 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2023-11-19 07:55:48,076 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2023-11-19 07:55:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:55:48,076 INFO L130 BoogieDeclarations]: Found specification of procedure dm9132_id_table [2023-11-19 07:55:48,076 INFO L138 BoogieDeclarations]: Found implementation of procedure dm9132_id_table [2023-11-19 07:55:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 07:55:48,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 07:55:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-19 07:55:48,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-19 07:55:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-19 07:55:48,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-19 07:55:48,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 07:55:48,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 07:55:48,078 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_interrupt [2023-11-19 07:55:48,079 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_interrupt [2023-11-19 07:55:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 07:55:48,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 07:55:48,079 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2023-11-19 07:55:48,079 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2023-11-19 07:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 07:55:48,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 07:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure cal_CRC [2023-11-19 07:55:48,080 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_CRC [2023-11-19 07:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:55:48,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-19 07:55:48,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-19 07:55:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 07:55:48,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 07:55:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:55:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2023-11-19 07:55:48,081 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2023-11-19 07:55:48,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 07:55:48,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 07:55:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:55:48,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:55:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:55:48,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-19 07:55:48,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-19 07:55:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:55:48,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:55:48,083 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-19 07:55:48,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-19 07:55:48,084 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_free_rxbuffer [2023-11-19 07:55:48,084 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_free_rxbuffer [2023-11-19 07:55:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-19 07:55:48,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-19 07:55:48,085 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:55:48,085 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:55:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 07:55:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 07:55:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-19 07:55:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-19 07:55:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_stop [2023-11-19 07:55:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_stop [2023-11-19 07:55:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:55:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:55:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:55:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:55:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:55:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:55:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 07:55:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 07:55:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 07:55:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 07:55:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_open [2023-11-19 07:55:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_open [2023-11-19 07:55:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-19 07:55:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-19 07:55:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 07:55:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 07:55:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2023-11-19 07:55:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2023-11-19 07:55:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 07:55:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 07:55:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-19 07:55:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-19 07:55:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2023-11-19 07:55:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2023-11-19 07:55:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 07:55:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 07:55:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:55:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:55:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 07:55:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 07:55:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-19 07:55:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-19 07:55:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:55:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:55:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:55:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_init_dm910x [2023-11-19 07:55:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_init_dm910x [2023-11-19 07:55:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 07:55:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 07:55:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 07:55:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 07:55:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-11-19 07:55:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-11-19 07:55:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 07:55:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 07:55:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2023-11-19 07:55:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2023-11-19 07:55:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:55:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:55:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:55:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2023-11-19 07:55:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2023-11-19 07:55:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_dmfe_cleanup_module_14_2 [2023-11-19 07:55:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_dmfe_cleanup_module_14_2 [2023-11-19 07:55:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2023-11-19 07:55:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2023-11-19 07:55:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 07:55:48,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 07:55:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-19 07:55:48,181 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-19 07:55:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 07:55:48,181 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 07:55:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:55:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 07:55:48,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 07:55:48,955 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:55:48,959 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:55:49,406 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:55:53,659 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 07:55:53,759 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:55:53,790 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:55:53,791 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:55:53,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:53 BoogieIcfgContainer [2023-11-19 07:55:53,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:55:53,813 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:55:53,813 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:55:53,816 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:55:53,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:55:43" (1/3) ... [2023-11-19 07:55:53,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14bf24ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:55:53, skipping insertion in model container [2023-11-19 07:55:53,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:47" (2/3) ... [2023-11-19 07:55:53,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14bf24ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:55:53, skipping insertion in model container [2023-11-19 07:55:53,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:53" (3/3) ... [2023-11-19 07:55:53,821 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2023-11-19 07:55:53,840 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:55:53,840 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 07:55:53,956 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:55:53,964 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=LoopHeads, 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;@282475cc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:55:53,964 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 07:55:53,983 INFO L276 IsEmpty]: Start isEmpty. Operand has 2108 states, 1562 states have (on average 1.3950064020486557) internal successors, (2179), 1585 states have internal predecessors, (2179), 460 states have call successors, (460), 84 states have call predecessors, (460), 83 states have return successors, (454), 445 states have call predecessors, (454), 454 states have call successors, (454) [2023-11-19 07:55:54,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 07:55:54,013 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:55:54,014 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:55:54,015 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)] === [2023-11-19 07:55:54,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:55:54,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1153100078, now seen corresponding path program 1 times [2023-11-19 07:55:54,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:55:54,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651654132] [2023-11-19 07:55:54,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:55:54,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:55:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:54,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:55:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:54,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:55,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:55:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:55,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:55,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:55:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:55,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:55,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:55:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:55,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:55,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:55:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:55,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:55,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 07:55:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:55,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:55,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:55:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:55,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:55,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:55:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:55,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:55:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:55,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 07:55:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:55,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-19 07:55:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:55,202 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-19 07:55:55,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:55:55,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651654132] [2023-11-19 07:55:55,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651654132] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:55:55,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:55:55,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:55:55,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398930135] [2023-11-19 07:55:55,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:55:55,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:55:55,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:55:55,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:55:55,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:55:55,257 INFO L87 Difference]: Start difference. First operand has 2108 states, 1562 states have (on average 1.3950064020486557) internal successors, (2179), 1585 states have internal predecessors, (2179), 460 states have call successors, (460), 84 states have call predecessors, (460), 83 states have return successors, (454), 445 states have call predecessors, (454), 454 states have call successors, (454) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-19 07:56:01,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:01,353 INFO L93 Difference]: Finished difference Result 6553 states and 9933 transitions. [2023-11-19 07:56:01,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:56:01,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 116 [2023-11-19 07:56:01,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:56:01,430 INFO L225 Difference]: With dead ends: 6553 [2023-11-19 07:56:01,431 INFO L226 Difference]: Without dead ends: 4456 [2023-11-19 07:56:01,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:56:01,467 INFO L413 NwaCegarLoop]: 2267 mSDtfsCounter, 5002 mSDsluCounter, 3123 mSDsCounter, 0 mSdLazyCounter, 2140 mSolverCounterSat, 1418 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5435 SdHoareTripleChecker+Valid, 5390 SdHoareTripleChecker+Invalid, 3558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1418 IncrementalHoareTripleChecker+Valid, 2140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:56:01,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5435 Valid, 5390 Invalid, 3558 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1418 Valid, 2140 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-11-19 07:56:01,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4456 states. [2023-11-19 07:56:01,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4456 to 4062. [2023-11-19 07:56:01,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4062 states, 3033 states have (on average 1.3643257500824266) internal successors, (4138), 3078 states have internal predecessors, (4138), 864 states have call successors, (864), 163 states have call predecessors, (864), 162 states have return successors, (860), 842 states have call predecessors, (860), 860 states have call successors, (860) [2023-11-19 07:56:01,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4062 states to 4062 states and 5862 transitions. [2023-11-19 07:56:01,870 INFO L78 Accepts]: Start accepts. Automaton has 4062 states and 5862 transitions. Word has length 116 [2023-11-19 07:56:01,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:56:01,871 INFO L495 AbstractCegarLoop]: Abstraction has 4062 states and 5862 transitions. [2023-11-19 07:56:01,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-19 07:56:01,871 INFO L276 IsEmpty]: Start isEmpty. Operand 4062 states and 5862 transitions. [2023-11-19 07:56:01,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 07:56:01,876 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:56:01,877 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:01,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:56:01,877 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 07:56:01,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:01,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1014182603, now seen corresponding path program 1 times [2023-11-19 07:56:01,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:01,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005174115] [2023-11-19 07:56:01,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:01,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:02,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:56:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:02,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:02,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:56:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:02,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:02,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:56:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:02,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:02,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:56:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:02,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:02,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:56:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:02,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:02,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 07:56:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:02,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:02,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:56:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:02,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:02,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:56:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:02,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:02,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 07:56:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:02,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-19 07:56:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:02,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-19 07:56:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:02,546 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-19 07:56:02,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:02,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005174115] [2023-11-19 07:56:02,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005174115] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:02,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:02,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:56:02,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838546285] [2023-11-19 07:56:02,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:02,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:56:02,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:02,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:56:02,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:56:02,555 INFO L87 Difference]: Start difference. First operand 4062 states and 5862 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-19 07:56:08,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:08,665 INFO L93 Difference]: Finished difference Result 12822 states and 18662 transitions. [2023-11-19 07:56:08,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:56:08,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 122 [2023-11-19 07:56:08,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:56:08,767 INFO L225 Difference]: With dead ends: 12822 [2023-11-19 07:56:08,767 INFO L226 Difference]: Without dead ends: 8781 [2023-11-19 07:56:08,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:56:08,797 INFO L413 NwaCegarLoop]: 2256 mSDtfsCounter, 5014 mSDsluCounter, 3183 mSDsCounter, 0 mSdLazyCounter, 2077 mSolverCounterSat, 1481 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5438 SdHoareTripleChecker+Valid, 5439 SdHoareTripleChecker+Invalid, 3558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1481 IncrementalHoareTripleChecker+Valid, 2077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:56:08,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5438 Valid, 5439 Invalid, 3558 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1481 Valid, 2077 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-11-19 07:56:08,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8781 states. [2023-11-19 07:56:09,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8781 to 8335. [2023-11-19 07:56:09,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8335 states, 6265 states have (on average 1.372705506783719) internal successors, (8600), 6371 states have internal predecessors, (8600), 1730 states have call successors, (1730), 324 states have call predecessors, (1730), 337 states have return successors, (1776), 1687 states have call predecessors, (1776), 1726 states have call successors, (1776) [2023-11-19 07:56:09,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8335 states to 8335 states and 12106 transitions. [2023-11-19 07:56:09,388 INFO L78 Accepts]: Start accepts. Automaton has 8335 states and 12106 transitions. Word has length 122 [2023-11-19 07:56:09,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:56:09,390 INFO L495 AbstractCegarLoop]: Abstraction has 8335 states and 12106 transitions. [2023-11-19 07:56:09,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-19 07:56:09,390 INFO L276 IsEmpty]: Start isEmpty. Operand 8335 states and 12106 transitions. [2023-11-19 07:56:09,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-19 07:56:09,394 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:56:09,395 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:09,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:56:09,395 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 07:56:09,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:09,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1482675662, now seen corresponding path program 1 times [2023-11-19 07:56:09,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:09,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86452363] [2023-11-19 07:56:09,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:09,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:09,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:56:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:09,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:09,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:56:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:09,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:09,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:56:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:09,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:09,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:56:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:09,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:09,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:56:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:09,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:09,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 07:56:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:09,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:09,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:56:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:09,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:09,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:56:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:09,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:09,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 07:56:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:09,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-19 07:56:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:09,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-19 07:56:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:09,935 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-19 07:56:09,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:09,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86452363] [2023-11-19 07:56:09,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86452363] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:09,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:09,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:56:09,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542401047] [2023-11-19 07:56:09,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:09,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:56:09,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:09,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:56:09,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:56:09,940 INFO L87 Difference]: Start difference. First operand 8335 states and 12106 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-19 07:56:15,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:15,930 INFO L93 Difference]: Finished difference Result 24511 states and 35634 transitions. [2023-11-19 07:56:15,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:56:15,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 122 [2023-11-19 07:56:15,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:56:16,063 INFO L225 Difference]: With dead ends: 24511 [2023-11-19 07:56:16,063 INFO L226 Difference]: Without dead ends: 16197 [2023-11-19 07:56:16,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:56:16,109 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 4528 mSDsluCounter, 3223 mSDsCounter, 0 mSdLazyCounter, 2198 mSolverCounterSat, 1358 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4895 SdHoareTripleChecker+Valid, 5535 SdHoareTripleChecker+Invalid, 3556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1358 IncrementalHoareTripleChecker+Valid, 2198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:56:16,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4895 Valid, 5535 Invalid, 3556 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1358 Valid, 2198 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-11-19 07:56:16,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16197 states. [2023-11-19 07:56:16,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16197 to 14987. [2023-11-19 07:56:16,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14987 states, 11239 states have (on average 1.36400035590355) internal successors, (15330), 11433 states have internal predecessors, (15330), 3110 states have call successors, (3110), 626 states have call predecessors, (3110), 635 states have return successors, (3172), 3015 states have call predecessors, (3172), 3106 states have call successors, (3172) [2023-11-19 07:56:16,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14987 states to 14987 states and 21612 transitions. [2023-11-19 07:56:16,982 INFO L78 Accepts]: Start accepts. Automaton has 14987 states and 21612 transitions. Word has length 122 [2023-11-19 07:56:16,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:56:16,983 INFO L495 AbstractCegarLoop]: Abstraction has 14987 states and 21612 transitions. [2023-11-19 07:56:16,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-19 07:56:16,984 INFO L276 IsEmpty]: Start isEmpty. Operand 14987 states and 21612 transitions. [2023-11-19 07:56:16,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-19 07:56:16,988 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:56:16,988 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:16,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:56:16,992 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-19 07:56:16,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:16,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1091782380, now seen corresponding path program 1 times [2023-11-19 07:56:16,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:16,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428366979] [2023-11-19 07:56:16,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:16,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:17,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:56:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:17,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:17,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:56:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:17,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:17,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:56:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:17,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:17,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-19 07:56:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:17,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:17,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-19 07:56:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:17,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:17,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 07:56:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:17,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:17,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-19 07:56:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:17,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:17,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:56:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:17,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:17,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 07:56:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:17,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 07:56:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:17,447 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-19 07:56:17,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:17,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428366979] [2023-11-19 07:56:17,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428366979] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:17,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:17,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:56:17,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990405249] [2023-11-19 07:56:17,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:17,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:56:17,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:17,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:56:17,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:56:17,451 INFO L87 Difference]: Start difference. First operand 14987 states and 21612 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-19 07:56:23,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:23,470 INFO L93 Difference]: Finished difference Result 46151 states and 66954 transitions. [2023-11-19 07:56:23,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:56:23,482 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 128 [2023-11-19 07:56:23,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted.