./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c --full-output --preprocessor.use.memory.slicer false --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6ae2ee47 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 a237206476c9ea3c7823fdb54324b722d18c6f8954c636c090e38f38fb6355ba --preprocessor.use.memory.slicer false --- Real Ultimate output --- This is Ultimate 0.2.3-dev-6ae2ee4-m [2023-11-23 00:10:59,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 00:10:59,435 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 00:10:59,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 00:10:59,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 00:10:59,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 00:10:59,468 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 00:10:59,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 00:10:59,469 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 00:10:59,472 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 00:10:59,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 00:10:59,473 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 00:10:59,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 00:10:59,474 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 00:10:59,474 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 00:10:59,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 00:10:59,475 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 00:10:59,475 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 00:10:59,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 00:10:59,475 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 00:10:59,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 00:10:59,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 00:10:59,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 00:10:59,476 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 00:10:59,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 00:10:59,477 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 00:10:59,477 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 00:10:59,477 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 00:10:59,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 00:10:59,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 00:10:59,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 00:10:59,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 00:10:59,479 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 00:10:59,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 00:10:59,479 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 00:10:59,479 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 00:10:59,479 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 00:10:59,479 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 00:10:59,479 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 00:10:59,480 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a237206476c9ea3c7823fdb54324b722d18c6f8954c636c090e38f38fb6355ba Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-23 00:10:59,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 00:10:59,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 00:10:59,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 00:10:59,725 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 00:10:59,725 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 00:10:59,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c [2023-11-23 00:11:00,702 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 00:11:01,139 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 00:11:01,140 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c [2023-11-23 00:11:01,181 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9fe48374/2e711fcc44524a38959609712f0b75ac/FLAGc2e765e81 [2023-11-23 00:11:01,196 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9fe48374/2e711fcc44524a38959609712f0b75ac [2023-11-23 00:11:01,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 00:11:01,199 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 00:11:01,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 00:11:01,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 00:11:01,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 00:11:01,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:11:01" (1/1) ... [2023-11-23 00:11:01,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e1290c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:01, skipping insertion in model container [2023-11-23 00:11:01,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:11:01" (1/1) ... [2023-11-23 00:11:01,350 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 00:11:04,328 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[480905,480918] [2023-11-23 00:11:04,336 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[481479,481492] [2023-11-23 00:11:04,342 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[482678,482691] [2023-11-23 00:11:04,350 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[483386,483399] [2023-11-23 00:11:04,356 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[483827,483840] [2023-11-23 00:11:04,359 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[484059,484072] [2023-11-23 00:11:04,362 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[484637,484650] [2023-11-23 00:11:04,365 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[485227,485240] [2023-11-23 00:11:04,368 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[485644,485657] [2023-11-23 00:11:04,371 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[486041,486054] [2023-11-23 00:11:04,373 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[486276,486289] [2023-11-23 00:11:04,375 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[487024,487037] [2023-11-23 00:11:04,378 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[487445,487458] [2023-11-23 00:11:04,380 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[488072,488085] [2023-11-23 00:11:04,383 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[488487,488500] [2023-11-23 00:11:04,385 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[489131,489144] [2023-11-23 00:11:04,387 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[489861,489874] [2023-11-23 00:11:04,390 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[490697,490710] [2023-11-23 00:11:04,392 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[492043,492056] [2023-11-23 00:11:04,394 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[492441,492454] [2023-11-23 00:11:04,397 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[492998,493011] [2023-11-23 00:11:04,399 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[493381,493394] [2023-11-23 00:11:04,401 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[493997,494010] [2023-11-23 00:11:04,404 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[494571,494584] [2023-11-23 00:11:04,407 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[495484,495497] [2023-11-23 00:11:04,409 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[495875,495888] [2023-11-23 00:11:04,412 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[496104,496117] [2023-11-23 00:11:04,416 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[496510,496523] [2023-11-23 00:11:04,419 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[497367,497380] [2023-11-23 00:11:04,423 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[497774,497787] [2023-11-23 00:11:04,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 00:11:04,465 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 00:11:04,536 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [5223] [2023-11-23 00:11:04,539 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5269-5270] [2023-11-23 00:11:04,539 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"); [5276-5278] [2023-11-23 00:11:04,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6679] [2023-11-23 00:11:04,672 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/block/rsxx/cregs.c"), "i" (378), "i" (12UL)); [10100-10101] [2023-11-23 00:11:04,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (& ucmd->stat): "ebx"); [10587] [2023-11-23 00:11:04,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (& ucmd->stat): "ebx"); [10590] [2023-11-23 00:11:04,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (& ucmd->stat): "ebx"); [10593] [2023-11-23 00:11:04,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (& ucmd->stat): "ebx"); [10596] [2023-11-23 00:11:04,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (& ucmd->stat): "ebx"); [10599] [2023-11-23 00:11:04,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [11123] [2023-11-23 00:11:04,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [11132] [2023-11-23 00:11:04,723 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" (79), "i" (12UL)); [12081-12082] [2023-11-23 00:11:04,724 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" (91), "i" (12UL)); [12112-12113] [2023-11-23 00:11:04,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [13041] [2023-11-23 00:11:04,837 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[480905,480918] [2023-11-23 00:11:04,838 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[481479,481492] [2023-11-23 00:11:04,839 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[482678,482691] [2023-11-23 00:11:04,839 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[483386,483399] [2023-11-23 00:11:04,840 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[483827,483840] [2023-11-23 00:11:04,840 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[484059,484072] [2023-11-23 00:11:04,841 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[484637,484650] [2023-11-23 00:11:04,842 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[485227,485240] [2023-11-23 00:11:04,842 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[485644,485657] [2023-11-23 00:11:04,842 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[486041,486054] [2023-11-23 00:11:04,843 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[486276,486289] [2023-11-23 00:11:04,843 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[487024,487037] [2023-11-23 00:11:04,843 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[487445,487458] [2023-11-23 00:11:04,844 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[488072,488085] [2023-11-23 00:11:04,844 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[488487,488500] [2023-11-23 00:11:04,844 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[489131,489144] [2023-11-23 00:11:04,845 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[489861,489874] [2023-11-23 00:11:04,846 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[490697,490710] [2023-11-23 00:11:04,846 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[492043,492056] [2023-11-23 00:11:04,846 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[492441,492454] [2023-11-23 00:11:04,848 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[492998,493011] [2023-11-23 00:11:04,848 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[493381,493394] [2023-11-23 00:11:04,849 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[493997,494010] [2023-11-23 00:11:04,849 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[494571,494584] [2023-11-23 00:11:04,849 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[495484,495497] [2023-11-23 00:11:04,850 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[495875,495888] [2023-11-23 00:11:04,850 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[496104,496117] [2023-11-23 00:11:04,850 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[496510,496523] [2023-11-23 00:11:04,851 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[497367,497380] [2023-11-23 00:11:04,851 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-multiproperty/linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c[497774,497787] [2023-11-23 00:11:04,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 00:11:05,039 WARN L675 CHandler]: The function __raw_spin_lock_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,039 WARN L675 CHandler]: The function _raw_spin_lock_bh is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,039 WARN L675 CHandler]: The function bio_endio is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,039 WARN L675 CHandler]: The function msleep is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,039 WARN L675 CHandler]: The function _dev_info is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,039 WARN L675 CHandler]: The function ida_get_new_above is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,040 WARN L675 CHandler]: The function pci_unregister_driver is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,040 WARN L675 CHandler]: The function generic_start_io_acct is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,040 WARN L675 CHandler]: The function pci_release_regions is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,040 WARN L675 CHandler]: The function iowrite32be is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,040 WARN L675 CHandler]: The function __alloc_workqueue_key is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,040 WARN L675 CHandler]: The function kmem_cache_create is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,040 WARN L675 CHandler]: The function del_timer_sync is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,040 WARN L675 CHandler]: The function ldv_after_alloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,040 WARN L675 CHandler]: The function single_open is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,041 WARN L675 CHandler]: The function blk_queue_make_request is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,041 WARN L675 CHandler]: The function __ldv_linux_kernel_locking_spinlock_spin_lock is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,041 WARN L675 CHandler]: The function wait_for_completion_timeout is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,041 WARN L675 CHandler]: The function add_disk is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,041 WARN L675 CHandler]: The function destroy_workqueue is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,041 WARN L675 CHandler]: The function seq_read is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,041 WARN L675 CHandler]: The function blk_queue_dma_alignment is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,041 WARN L675 CHandler]: The function debugfs_remove_recursive is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,041 WARN L675 CHandler]: The function pci_enable_msi_range is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,042 WARN L675 CHandler]: The function kfree is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,042 WARN L675 CHandler]: The function unregister_blkdev is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,042 WARN L675 CHandler]: The function free_irq is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,042 WARN L675 CHandler]: The function pci_iomap is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,042 WARN L675 CHandler]: The function dma_set_mask is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,043 WARN L675 CHandler]: The function debugfs_create_file is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,043 WARN L675 CHandler]: The function __might_sleep is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,043 WARN L675 CHandler]: The function vfree is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,043 WARN L675 CHandler]: The function del_gendisk is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,043 WARN L675 CHandler]: The function seq_printf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,044 WARN L675 CHandler]: The function blk_alloc_queue is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,044 WARN L675 CHandler]: The function pci_disable_device is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,044 WARN L675 CHandler]: The function __dynamic_dev_dbg is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,044 WARN L675 CHandler]: The function dev_crit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,044 WARN L675 CHandler]: The function single_release is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,044 WARN L675 CHandler]: The function pci_request_regions is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,044 WARN L675 CHandler]: The function ioread32 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,044 WARN L675 CHandler]: The function kmem_cache_destroy is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,045 WARN L675 CHandler]: The function crc32_le is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,045 WARN L675 CHandler]: The function debug_dma_unmap_page is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,045 WARN L675 CHandler]: The function seq_lseek is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,045 WARN L675 CHandler]: The function complete is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,045 WARN L675 CHandler]: The function __list_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,045 WARN L675 CHandler]: The function debug_dma_alloc_coherent is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,046 WARN L675 CHandler]: The function pci_enable_device is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,046 WARN L675 CHandler]: The function blk_cleanup_queue is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,046 WARN L675 CHandler]: The function blk_queue_bounce_limit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,046 WARN L675 CHandler]: The function _raw_spin_unlock_irq is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,046 WARN L675 CHandler]: The function _copy_to_user is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,046 WARN L675 CHandler]: The function blk_queue_max_discard_sectors is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,046 WARN L675 CHandler]: The function ioread32be is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,046 WARN L675 CHandler]: The function dev_emerg is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,046 WARN L675 CHandler]: The function pci_set_master is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,047 WARN L675 CHandler]: The function _raw_spin_unlock_irqrestore is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,047 WARN L675 CHandler]: The function ldv_assert is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,047 WARN L675 CHandler]: The function iowrite32 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,047 WARN L675 CHandler]: The function blk_queue_logical_block_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,047 WARN L675 CHandler]: The function _raw_spin_unlock_bh is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,047 WARN L675 CHandler]: The function mod_timer is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,047 WARN L675 CHandler]: The function dev_notice is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,047 WARN L675 CHandler]: The function _raw_spin_unlock is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,047 WARN L675 CHandler]: The function debug_dma_mapping_error is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,047 WARN L675 CHandler]: The function alloc_disk is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,048 WARN L675 CHandler]: The function blk_queue_physical_block_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,048 WARN L675 CHandler]: The function init_timer_key is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,048 WARN L675 CHandler]: The function __init_work is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,048 WARN L675 CHandler]: The function debug_dma_map_page is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,048 WARN L675 CHandler]: The function might_fault is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,048 WARN L675 CHandler]: The function pci_iounmap is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,048 WARN L675 CHandler]: The function warn_slowpath_null is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,048 WARN L675 CHandler]: The function debugfs_remove is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,048 WARN L675 CHandler]: The function ldv_pre_probe is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,049 WARN L675 CHandler]: The function __pci_register_driver is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,049 WARN L675 CHandler]: The function dev_err is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,049 WARN L675 CHandler]: The function msecs_to_jiffies is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,049 WARN L675 CHandler]: The function cancel_work_sync is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,049 WARN L675 CHandler]: The function register_blkdev is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,050 WARN L675 CHandler]: The function list_del is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,050 WARN L675 CHandler]: The function kmem_cache_free is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,051 WARN L675 CHandler]: The function debugfs_create_dir is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,051 WARN L675 CHandler]: The function __mutex_init is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,051 WARN L675 CHandler]: The function put_disk is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,051 WARN L675 CHandler]: The function queue_work_on is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,051 WARN L675 CHandler]: The function ida_pre_get is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,051 WARN L675 CHandler]: The function ida_remove is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,051 WARN L675 CHandler]: The function _raw_spin_lock_irq is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,051 WARN L675 CHandler]: The function __copy_to_user_overflow is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,052 WARN L675 CHandler]: The function pci_disable_msi is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,052 WARN L675 CHandler]: The function dev_alert is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,052 WARN L675 CHandler]: The function blk_queue_max_hw_sectors is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,052 WARN L675 CHandler]: The function lockdep_init_map is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,052 WARN L675 CHandler]: The function warn_slowpath_fmt is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,052 WARN L675 CHandler]: The function __copy_from_user_overflow is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,052 WARN L675 CHandler]: The function dev_warn is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,052 WARN L675 CHandler]: The function _raw_spin_lock is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,052 WARN L675 CHandler]: The function debug_dma_free_coherent is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,053 WARN L675 CHandler]: The function pci_bus_read_config_byte is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,053 WARN L675 CHandler]: The function request_threaded_irq is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,053 WARN L675 CHandler]: The function pci_set_dma_max_seg_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,053 WARN L675 CHandler]: The function _copy_from_user is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,053 WARN L675 CHandler]: The function generic_end_io_acct is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 00:11:05,059 INFO L206 MainTranslator]: Completed translation [2023-11-23 00:11:05,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:05 WrapperNode [2023-11-23 00:11:05,060 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 00:11:05,062 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 00:11:05,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 00:11:05,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 00:11:05,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:05" (1/1) ... [2023-11-23 00:11:05,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:05" (1/1) ... [2023-11-23 00:11:05,417 INFO L138 Inliner]: procedures = 882, calls = 4255, calls flagged for inlining = 356, calls inlined = 238, statements flattened = 7144 [2023-11-23 00:11:05,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 00:11:05,418 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 00:11:05,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 00:11:05,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 00:11:05,426 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:05" (1/1) ... [2023-11-23 00:11:05,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:05" (1/1) ... [2023-11-23 00:11:05,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:05" (1/1) ... [2023-11-23 00:11:05,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:05" (1/1) ... [2023-11-23 00:11:05,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:05" (1/1) ... [2023-11-23 00:11:05,603 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:05" (1/1) ... [2023-11-23 00:11:05,630 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:05" (1/1) ... [2023-11-23 00:11:05,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:05" (1/1) ... [2023-11-23 00:11:05,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 00:11:05,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 00:11:05,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 00:11:05,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 00:11:05,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:05" (1/1) ... [2023-11-23 00:11:05,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 00:11:05,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 00:11:05,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 00:11:05,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 00:11:05,898 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2023-11-23 00:11:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2023-11-23 00:11:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure __disable_intr [2023-11-23 00:11:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __disable_intr [2023-11-23 00:11:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-11-23 00:11:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2023-11-23 00:11:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 00:11:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 00:11:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_arch_io [2023-11-23 00:11:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_arch_io [2023-11-23 00:11:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_cleanup_dma_queue [2023-11-23 00:11:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_cleanup_dma_queue [2023-11-23 00:11:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 00:11:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 00:11:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2023-11-23 00:11:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2023-11-23 00:11:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-23 00:11:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dev_cleanup [2023-11-23 00:11:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dev_cleanup [2023-11-23 00:11:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-23 00:11:05,900 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_cram_write [2023-11-23 00:11:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_cram_write [2023-11-23 00:11:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2023-11-23 00:11:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 00:11:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 00:11:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2023-11-23 00:11:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure config_data_swab [2023-11-23 00:11:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure config_data_swab [2023-11-23 00:11:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_mapping_error [2023-11-23 00:11:05,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_108 [2023-11-23 00:11:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_108 [2023-11-23 00:11:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock [2023-11-23 00:11:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock [2023-11-23 00:11:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_105 [2023-11-23 00:11:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_105 [2023-11-23 00:11:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_101 [2023-11-23 00:11:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_101 [2023-11-23 00:11:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2023-11-23 00:11:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_102 [2023-11-23 00:11:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_102 [2023-11-23 00:11:05,902 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_detach_dev [2023-11-23 00:11:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_detach_dev [2023-11-23 00:11:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2023-11-23 00:11:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2023-11-23 00:11:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 00:11:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 00:11:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-23 00:11:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-23 00:11:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2023-11-23 00:11:05,903 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 00:11:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 00:11:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_irq_lock_of_rsxx_cardinfo [2023-11-23 00:11:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_irq_lock_of_rsxx_cardinfo [2023-11-23 00:11:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 00:11:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_110 [2023-11-23 00:11:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_110 [2023-11-23 00:11:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-11-23 00:11:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2023-11-23 00:11:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 00:11:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2023-11-23 00:11:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2023-11-23 00:11:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_queue [2023-11-23 00:11:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_queue [2023-11-23 00:11:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 00:11:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 00:11:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_range [2023-11-23 00:11:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2023-11-23 00:11:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-23 00:11:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-23 00:11:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 00:11:05,905 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-23 00:11:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-23 00:11:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-23 00:11:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2023-11-23 00:11:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-11-23 00:11:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2023-11-23 00:11:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_genhd [2023-11-23 00:11:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_genhd [2023-11-23 00:11:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2023-11-23 00:11:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2023-11-23 00:11:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 00:11:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-23 00:11:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-23 00:11:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-23 00:11:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 00:11:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2023-11-23 00:11:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_NOT_ARG_SIGN [2023-11-23 00:11:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 00:11:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 00:11:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 00:11:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2023-11-23 00:11:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-11-23 00:11:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 00:11:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2023-11-23 00:11:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-23 00:11:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-23 00:11:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 00:11:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2023-11-23 00:11:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-23 00:11:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-23 00:11:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure __issue_creg_rw [2023-11-23 00:11:05,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __issue_creg_rw [2023-11-23 00:11:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2023-11-23 00:11:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 00:11:05,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 00:11:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 00:11:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure ida_get_new_above [2023-11-23 00:11:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-11-23 00:11:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 00:11:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2023-11-23 00:11:05,918 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2023-11-23 00:11:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2023-11-23 00:11:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_dev_lock_of_rsxx_cardinfo [2023-11-23 00:11:05,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_dev_lock_of_rsxx_cardinfo [2023-11-23 00:11:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-23 00:11:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 00:11:05,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 00:11:05,919 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2023-11-23 00:11:05,919 INFO L130 BoogieDeclarations]: Found specification of procedure dev_crit [2023-11-23 00:11:05,919 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_getgeo [2023-11-23 00:11:05,919 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_getgeo [2023-11-23 00:11:05,919 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2023-11-23 00:11:05,919 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2023-11-23 00:11:05,919 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_complete_dma [2023-11-23 00:11:05,919 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_complete_dma [2023-11-23 00:11:05,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 00:11:05,919 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 00:11:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-23 00:11:05,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-23 00:11:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_eeh_failure [2023-11-23 00:11:05,920 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_eeh_failure [2023-11-23 00:11:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure card_shutdown [2023-11-23 00:11:05,920 INFO L138 BoogieDeclarations]: Found implementation of procedure card_shutdown [2023-11-23 00:11:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2023-11-23 00:11:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2023-11-23 00:11:05,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2023-11-23 00:11:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_cram_read [2023-11-23 00:11:05,920 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_cram_read [2023-11-23 00:11:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2023-11-23 00:11:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_sysfs [2023-11-23 00:11:05,921 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_sysfs [2023-11-23 00:11:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2023-11-23 00:11:05,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2023-11-23 00:11:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 00:11:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 00:11:05,921 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 00:11:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure creg_cmd_timed_out [2023-11-23 00:11:05,921 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_cmd_timed_out [2023-11-23 00:11:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2023-11-23 00:11:05,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2023-11-23 00:11:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 00:11:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_8_2 [2023-11-23 00:11:05,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_8_2 [2023-11-23 00:11:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2023-11-23 00:11:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_rwlock [2023-11-23 00:11:05,922 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_rwlock [2023-11-23 00:11:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure creg_kick_queue [2023-11-23 00:11:05,922 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_kick_queue [2023-11-23 00:11:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2023-11-23 00:11:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-23 00:11:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 00:11:05,923 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 00:11:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-23 00:11:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure ida_pre_get [2023-11-23 00:11:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure ida_remove [2023-11-23 00:11:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_cleanup [2023-11-23 00:11:05,923 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_cleanup [2023-11-23 00:11:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-23 00:11:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 00:11:05,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 00:11:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_100 [2023-11-23 00:11:05,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_100 [2023-11-23 00:11:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 00:11:05,924 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 00:11:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-11-23 00:11:05,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2023-11-23 00:11:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2023-11-23 00:11:05,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2023-11-23 00:11:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-23 00:11:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_pci_shutdown [2023-11-23 00:11:05,925 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_pci_shutdown [2023-11-23 00:11:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_fs_char_dev [2023-11-23 00:11:05,925 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_fs_char_dev [2023-11-23 00:11:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure issue_creg_rw [2023-11-23 00:11:05,925 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_creg_rw [2023-11-23 00:11:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_card_state_to_str [2023-11-23 00:11:05,925 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_card_state_to_str [2023-11-23 00:11:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_gadget [2023-11-23 00:11:05,925 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_gadget [2023-11-23 00:11:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_disable_ier [2023-11-23 00:11:05,925 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_disable_ier [2023-11-23 00:11:05,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-23 00:11:05,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-23 00:11:05,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 00:11:05,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 00:11:05,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 00:11:05,926 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2023-11-23 00:11:05,926 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_sched_completion [2023-11-23 00:11:05,926 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_sched_completion [2023-11-23 00:11:05,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_104 [2023-11-23 00:11:05,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_104 [2023-11-23 00:11:05,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_100 [2023-11-23 00:11:05,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_100 [2023-11-23 00:11:05,927 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-23 00:11:05,927 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_discard_sectors [2023-11-23 00:11:05,927 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_enable_ier_and_isr [2023-11-23 00:11:05,927 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_enable_ier_and_isr [2023-11-23 00:11:05,927 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-23 00:11:05,927 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-23 00:11:05,927 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_get_card_size8 [2023-11-23 00:11:05,927 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_get_card_size8 [2023-11-23 00:11:05,927 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2023-11-23 00:11:05,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2023-11-23 00:11:05,928 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_mmc_sdio_func [2023-11-23 00:11:05,928 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_mmc_sdio_func [2023-11-23 00:11:05,928 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2023-11-23 00:11:05,928 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2023-11-23 00:11:05,940 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_size [2023-11-23 00:11:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_size [2023-11-23 00:11:05,940 INFO L130 BoogieDeclarations]: Found specification of procedure __enable_intr [2023-11-23 00:11:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __enable_intr [2023-11-23 00:11:05,941 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_read_config_byte [2023-11-23 00:11:05,941 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-23 00:11:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-23 00:11:05,941 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_srcu [2023-11-23 00:11:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_srcu [2023-11-23 00:11:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_rsxx_dma_ctrl [2023-11-23 00:11:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_queue_lock_of_rsxx_dma_ctrl [2023-11-23 00:11:05,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_107 [2023-11-23 00:11:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_107 [2023-11-23 00:11:05,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_98 [2023-11-23 00:11:05,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_98 [2023-11-23 00:11:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure generic_end_io_acct [2023-11-23 00:11:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-23 00:11:05,949 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-23 00:11:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_99 [2023-11-23 00:11:05,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_99 [2023-11-23 00:11:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2023-11-23 00:11:05,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2023-11-23 00:11:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 00:11:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 00:11:05,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 00:11:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_hw_buffers_init [2023-11-23 00:11:05,950 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_hw_buffers_init [2023-11-23 00:11:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2023-11-23 00:11:05,950 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2023-11-23 00:11:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure config_data_crc32 [2023-11-23 00:11:05,950 INFO L138 BoogieDeclarations]: Found implementation of procedure config_data_crc32 [2023-11-23 00:11:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_sock [2023-11-23 00:11:05,950 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_sock [2023-11-23 00:11:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_attr_pci_regs_open [2023-11-23 00:11:05,950 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_attr_pci_regs_open [2023-11-23 00:11:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 00:11:05,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 00:11:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2023-11-23 00:11:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_configure [2023-11-23 00:11:05,951 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_configure [2023-11-23 00:11:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 00:11:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2023-11-23 00:11:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure blk_alloc_queue [2023-11-23 00:11:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure creg_queue_cmd [2023-11-23 00:11:05,951 INFO L138 BoogieDeclarations]: Found implementation of procedure creg_queue_cmd [2023-11-23 00:11:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_free_dma [2023-11-23 00:11:05,951 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_free_dma [2023-11-23 00:11:05,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2023-11-23 00:11:05,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2023-11-23 00:11:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_cancel [2023-11-23 00:11:05,952 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_cancel [2023-11-23 00:11:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2023-11-23 00:11:05,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2023-11-23 00:11:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2023-11-23 00:11:05,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2023-11-23 00:11:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_get_card_state [2023-11-23 00:11:05,952 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_get_card_state [2023-11-23 00:11:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 00:11:05,952 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 00:11:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2023-11-23 00:11:05,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2023-11-23 00:11:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 00:11:05,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 00:11:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-23 00:11:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_logical_block_size [2023-11-23 00:11:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 00:11:05,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 00:11:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2023-11-23 00:11:05,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2023-11-23 00:11:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2023-11-23 00:11:05,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2023-11-23 00:11:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_irq [2023-11-23 00:11:05,954 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_irq [2023-11-23 00:11:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2023-11-23 00:11:05,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2023-11-23 00:11:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_physical_block_size [2023-11-23 00:11:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 00:11:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2023-11-23 00:11:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_issue_card_cmd [2023-11-23 00:11:05,954 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_issue_card_cmd [2023-11-23 00:11:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2023-11-23 00:11:05,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2023-11-23 00:11:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-23 00:11:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 00:11:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure CR_INTR_DMA [2023-11-23 00:11:05,955 INFO L138 BoogieDeclarations]: Found implementation of procedure CR_INTR_DMA [2023-11-23 00:11:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alert [2023-11-23 00:11:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure push_tracker [2023-11-23 00:11:05,955 INFO L138 BoogieDeclarations]: Found implementation of procedure push_tracker [2023-11-23 00:11:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_max_seg_size [2023-11-23 00:11:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 00:11:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-23 00:11:05,956 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_pci_probe [2023-11-23 00:11:05,956 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_pci_probe [2023-11-23 00:11:05,956 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 00:11:05,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 00:11:05,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_blk_cleanup_queue [2023-11-23 00:11:05,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_blk_cleanup_queue [2023-11-23 00:11:05,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2023-11-23 00:11:05,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2023-11-23 00:11:05,956 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32be [2023-11-23 00:11:05,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2023-11-23 00:11:05,956 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_make_request [2023-11-23 00:11:05,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2023-11-23 00:11:05,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2023-11-23 00:11:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 00:11:05,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 00:11:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 00:11:05,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 00:11:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_mutex [2023-11-23 00:11:05,967 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_mutex [2023-11-23 00:11:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2023-11-23 00:11:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure CREG_DATA [2023-11-23 00:11:05,968 INFO L138 BoogieDeclarations]: Found implementation of procedure CREG_DATA [2023-11-23 00:11:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-23 00:11:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2023-11-23 00:11:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 00:11:05,968 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 00:11:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_99 [2023-11-23 00:11:05,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_99 [2023-11-23 00:11:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2023-11-23 00:11:05,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2023-11-23 00:11:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_locking_spinlock [2023-11-23 00:11:05,969 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_locking_spinlock [2023-11-23 00:11:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_creg_write [2023-11-23 00:11:05,969 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_creg_write [2023-11-23 00:11:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_sched [2023-11-23 00:11:05,969 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_sched [2023-11-23 00:11:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-23 00:11:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2023-11-23 00:11:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure dma_intr_coal_val [2023-11-23 00:11:05,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_intr_coal_val [2023-11-23 00:11:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_bounce_limit [2023-11-23 00:11:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-11-23 00:11:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 00:11:05,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 00:11:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_pci_remove [2023-11-23 00:11:05,970 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_pci_remove [2023-11-23 00:11:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_96 [2023-11-23 00:11:05,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_96 [2023-11-23 00:11:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2023-11-23 00:11:05,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2023-11-23 00:11:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure read_hw_log_done [2023-11-23 00:11:05,970 INFO L138 BoogieDeclarations]: Found implementation of procedure read_hw_log_done [2023-11-23 00:11:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-23 00:11:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_destroy [2023-11-23 00:11:05,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_destroy [2023-11-23 00:11:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2023-11-23 00:11:05,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2023-11-23 00:11:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_dma_queue_reset [2023-11-23 00:11:05,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_dma_queue_reset [2023-11-23 00:11:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-23 00:11:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2023-11-23 00:11:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_96___0 [2023-11-23 00:11:05,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_96___0 [2023-11-23 00:11:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-23 00:11:05,972 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-23 00:11:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-23 00:11:05,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-23 00:11:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2023-11-23 00:11:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_rcu_update_lock_bh [2023-11-23 00:11:05,972 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_rcu_update_lock_bh [2023-11-23 00:11:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 00:11:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_creg_read [2023-11-23 00:11:05,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_creg_read [2023-11-23 00:11:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 00:11:05,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 00:11:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2023-11-23 00:11:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-23 00:11:05,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-23 00:11:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-11-23 00:11:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-23 00:11:05,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_NOT_ARG_SIGN [2023-11-23 00:11:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_irq_lock_of_rsxx_cardinfo [2023-11-23 00:11:05,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_irq_lock_of_rsxx_cardinfo [2023-11-23 00:11:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 00:11:05,973 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 00:11:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 00:11:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 00:11:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2023-11-23 00:11:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2023-11-23 00:11:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure dma_engine_stalled [2023-11-23 00:11:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_engine_stalled [2023-11-23 00:11:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_alloc_usb_lock [2023-11-23 00:11:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_alloc_usb_lock [2023-11-23 00:11:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2023-11-23 00:11:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_reg_access [2023-11-23 00:11:05,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_reg_access [2023-11-23 00:11:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_coherent [2023-11-23 00:11:05,975 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_coherent [2023-11-23 00:11:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2023-11-23 00:11:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_attr_stats_open [2023-11-23 00:11:05,975 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_attr_stats_open [2023-11-23 00:11:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 00:11:05,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-23 00:11:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 00:11:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-23 00:11:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2023-11-23 00:11:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2023-11-23 00:11:05,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_sched_completion__wait_without_init [2023-11-23 00:11:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 00:11:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_drivers_base_class [2023-11-23 00:11:05,976 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_drivers_base_class [2023-11-23 00:11:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_kernel_module [2023-11-23 00:11:05,976 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_kernel_module [2023-11-23 00:11:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2023-11-23 00:11:05,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2023-11-23 00:11:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_dev_lock_of_rsxx_cardinfo [2023-11-23 00:11:05,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_dev_lock_of_rsxx_cardinfo [2023-11-23 00:11:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 00:11:05,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 00:11:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_97___0 [2023-11-23 00:11:05,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_97___0 [2023-11-23 00:11:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-23 00:11:05,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-23 00:11:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_109 [2023-11-23 00:11:05,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_109 [2023-11-23 00:11:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-11-23 00:11:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-23 00:11:05,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-23 00:11:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2023-11-23 00:11:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2023-11-23 00:11:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-23 00:11:05,978 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-23 00:11:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_dma_alignment [2023-11-23 00:11:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-11-23 00:11:05,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2023-11-23 00:11:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-23 00:11:05,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2023-11-23 00:11:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 00:11:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_net_rtnetlink [2023-11-23 00:11:05,978 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_net_rtnetlink [2023-11-23 00:11:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-11-23 00:11:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2023-11-23 00:11:05,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2023-11-23 00:11:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2023-11-23 00:11:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_blkdev_ioctl [2023-11-23 00:11:05,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_blkdev_ioctl [2023-11-23 00:11:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_disable_ier_and_isr [2023-11-23 00:11:05,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_disable_ier_and_isr [2023-11-23 00:11:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_block_request [2023-11-23 00:11:05,979 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_block_request [2023-11-23 00:11:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2023-11-23 00:11:05,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2023-11-23 00:11:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure get_tracker_dma [2023-11-23 00:11:05,980 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tracker_dma [2023-11-23 00:11:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-23 00:11:05,980 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-23 00:11:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_rsxx_dma_ctrl [2023-11-23 00:11:05,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_queue_lock_of_rsxx_dma_ctrl [2023-11-23 00:11:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_lib_idr [2023-11-23 00:11:05,980 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_lib_idr [2023-11-23 00:11:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_101 [2023-11-23 00:11:05,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_101 [2023-11-23 00:11:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_linux_usb_urb [2023-11-23 00:11:05,981 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_linux_usb_urb [2023-11-23 00:11:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure dev_emerg [2023-11-23 00:11:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure rsxx_read_hw_log [2023-11-23 00:11:05,981 INFO L138 BoogieDeclarations]: Found implementation of procedure rsxx_read_hw_log [2023-11-23 00:11:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 00:11:05,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 00:11:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-23 00:11:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-11-23 00:11:05,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2023-11-23 00:11:05,996 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-23 00:11:05,996 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-23 00:11:05,996 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2023-11-23 00:11:05,996 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2023-11-23 00:11:05,996 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2023-11-23 00:11:05,996 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 00:11:05,997 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 00:11:05,997 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 00:11:05,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 00:11:05,997 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_sectors [2023-11-23 00:11:05,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 00:11:05,997 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2023-11-23 00:11:06,707 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 00:11:06,713 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 00:11:12,192 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 00:11:12,492 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 00:11:12,492 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 00:11:12,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:11:12 BoogieIcfgContainer [2023-11-23 00:11:12,493 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 00:11:12,495 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 00:11:12,495 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 00:11:12,498 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 00:11:12,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:11:01" (1/3) ... [2023-11-23 00:11:12,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@584abe90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:11:12, skipping insertion in model container [2023-11-23 00:11:12,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:05" (2/3) ... [2023-11-23 00:11:12,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@584abe90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:11:12, skipping insertion in model container [2023-11-23 00:11:12,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:11:12" (3/3) ... [2023-11-23 00:11:12,501 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--block--rsxx--rsxx.ko.cil.c [2023-11-23 00:11:12,514 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 00:11:12,515 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 27 error locations. [2023-11-23 00:11:12,577 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 00:11:12,581 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;@5b214d00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 00:11:12,581 INFO L358 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2023-11-23 00:11:12,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 2102 states, 1278 states have (on average 1.3646322378716744) internal successors, (1744), 1376 states have internal predecessors, (1744), 607 states have call successors, (607), 189 states have call predecessors, (607), 189 states have return successors, (607), 594 states have call predecessors, (607), 607 states have call successors, (607) [2023-11-23 00:11:12,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 00:11:12,599 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:11:12,599 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:11:12,600 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting reach_error_linux_arch_ioErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2023-11-23 00:11:12,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:11:12,606 INFO L85 PathProgramCache]: Analyzing trace with hash 573704359, now seen corresponding path program 1 times [2023-11-23 00:11:12,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:11:12,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535939548] [2023-11-23 00:11:12,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:11:12,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:11:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:13,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:11:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:13,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:11:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:13,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 00:11:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:13,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 00:11:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:13,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:11:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:13,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 00:11:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:13,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 00:11:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:13,118 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 00:11:13,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:11:13,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535939548] [2023-11-23 00:11:13,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535939548] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:11:13,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:11:13,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 00:11:13,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936125867] [2023-11-23 00:11:13,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:11:13,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 00:11:13,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:11:13,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 00:11:13,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 00:11:13,154 INFO L87 Difference]: Start difference. First operand has 2102 states, 1278 states have (on average 1.3646322378716744) internal successors, (1744), 1376 states have internal predecessors, (1744), 607 states have call successors, (607), 189 states have call predecessors, (607), 189 states have return successors, (607), 594 states have call predecessors, (607), 607 states have call successors, (607) Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 00:11:16,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:11:20,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:11:20,645 INFO L93 Difference]: Finished difference Result 4176 states and 6231 transitions. [2023-11-23 00:11:20,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 00:11:20,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 44 [2023-11-23 00:11:20,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:11:20,674 INFO L225 Difference]: With dead ends: 4176 [2023-11-23 00:11:20,674 INFO L226 Difference]: Without dead ends: 2068 [2023-11-23 00:11:20,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 00:11:20,686 INFO L413 NwaCegarLoop]: 694 mSDtfsCounter, 2732 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 2732 mSolverCounterSat, 1938 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2732 SdHoareTripleChecker+Valid, 1246 SdHoareTripleChecker+Invalid, 4671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1938 IncrementalHoareTripleChecker+Valid, 2732 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-11-23 00:11:20,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2732 Valid, 1246 Invalid, 4671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1938 Valid, 2732 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2023-11-23 00:11:20,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2068 states. [2023-11-23 00:11:20,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2068 to 2068. [2023-11-23 00:11:20,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2068 states, 1273 states have (on average 1.3362136684996073) internal successors, (1701), 1345 states have internal predecessors, (1701), 605 states have call successors, (605), 189 states have call predecessors, (605), 163 states have return successors, (566), 554 states have call predecessors, (566), 566 states have call successors, (566) [2023-11-23 00:11:20,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 2068 states and 2872 transitions. [2023-11-23 00:11:20,821 INFO L78 Accepts]: Start accepts. Automaton has 2068 states and 2872 transitions. Word has length 44 [2023-11-23 00:11:20,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:11:20,821 INFO L495 AbstractCegarLoop]: Abstraction has 2068 states and 2872 transitions. [2023-11-23 00:11:20,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 00:11:20,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2068 states and 2872 transitions. [2023-11-23 00:11:20,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 00:11:20,823 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:11:20,823 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:11:20,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 00:11:20,824 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting reach_error_linux_arch_ioErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2023-11-23 00:11:20,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:11:20,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1896264169, now seen corresponding path program 1 times [2023-11-23 00:11:20,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:11:20,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713430120] [2023-11-23 00:11:20,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:11:20,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:11:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:21,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:11:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:21,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:11:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:21,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 00:11:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:21,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 00:11:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:21,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:11:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:21,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 00:11:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:21,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 00:11:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:21,098 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 00:11:21,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:11:21,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713430120] [2023-11-23 00:11:21,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713430120] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:11:21,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:11:21,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:11:21,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886909768] [2023-11-23 00:11:21,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:11:21,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:11:21,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:11:21,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:11:21,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:11:21,101 INFO L87 Difference]: Start difference. First operand 2068 states and 2872 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 00:11:25,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:11:27,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:11:29,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:11:36,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:11:36,951 INFO L93 Difference]: Finished difference Result 4226 states and 5938 transitions. [2023-11-23 00:11:36,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 00:11:36,952 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 44 [2023-11-23 00:11:36,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:11:36,965 INFO L225 Difference]: With dead ends: 4226 [2023-11-23 00:11:36,965 INFO L226 Difference]: Without dead ends: 2521 [2023-11-23 00:11:36,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-23 00:11:36,970 INFO L413 NwaCegarLoop]: 1250 mSDtfsCounter, 3313 mSDsluCounter, 2207 mSDsCounter, 0 mSdLazyCounter, 8080 mSolverCounterSat, 2090 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3516 SdHoareTripleChecker+Valid, 3457 SdHoareTripleChecker+Invalid, 10173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2090 IncrementalHoareTripleChecker+Valid, 8080 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2023-11-23 00:11:36,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3516 Valid, 3457 Invalid, 10173 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2090 Valid, 8080 Invalid, 3 Unknown, 0 Unchecked, 15.5s Time] [2023-11-23 00:11:36,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2521 states. [2023-11-23 00:11:37,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2521 to 2070. [2023-11-23 00:11:37,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2070 states, 1275 states have (on average 1.335686274509804) internal successors, (1703), 1347 states have internal predecessors, (1703), 605 states have call successors, (605), 189 states have call predecessors, (605), 163 states have return successors, (566), 554 states have call predecessors, (566), 566 states have call successors, (566) [2023-11-23 00:11:37,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 2070 states and 2874 transitions. [2023-11-23 00:11:37,067 INFO L78 Accepts]: Start accepts. Automaton has 2070 states and 2874 transitions. Word has length 44 [2023-11-23 00:11:37,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:11:37,067 INFO L495 AbstractCegarLoop]: Abstraction has 2070 states and 2874 transitions. [2023-11-23 00:11:37,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 00:11:37,068 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2874 transitions. [2023-11-23 00:11:37,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 00:11:37,072 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:11:37,072 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:11:37,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 00:11:37,072 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting reach_error_linux_arch_ioErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2023-11-23 00:11:37,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:11:37,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1236732647, now seen corresponding path program 1 times [2023-11-23 00:11:37,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:11:37,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995065257] [2023-11-23 00:11:37,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:11:37,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:11:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:37,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:11:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:37,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:11:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:37,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 00:11:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:37,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 00:11:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:37,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:11:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:37,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 00:11:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:37,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 00:11:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:37,501 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 00:11:37,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:11:37,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995065257] [2023-11-23 00:11:37,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995065257] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:11:37,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:11:37,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:11:37,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808071150] [2023-11-23 00:11:37,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:11:37,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:11:37,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:11:37,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:11:37,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:11:37,504 INFO L87 Difference]: Start difference. First operand 2070 states and 2874 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 4 states have internal predecessors, (22), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 00:11:40,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:11:42,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:11:48,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:11:48,237 INFO L93 Difference]: Finished difference Result 2070 states and 2874 transitions. [2023-11-23 00:11:48,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 00:11:48,238 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 4 states have internal predecessors, (22), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 44 [2023-11-23 00:11:48,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:11:48,245 INFO L225 Difference]: With dead ends: 2070 [2023-11-23 00:11:48,245 INFO L226 Difference]: Without dead ends: 2067 [2023-11-23 00:11:48,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 00:11:48,247 INFO L413 NwaCegarLoop]: 686 mSDtfsCounter, 4618 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 5100 mSolverCounterSat, 2690 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4816 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 7792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2690 IncrementalHoareTripleChecker+Valid, 5100 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2023-11-23 00:11:48,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4816 Valid, 1716 Invalid, 7792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2690 Valid, 5100 Invalid, 2 Unknown, 0 Unchecked, 10.5s Time] [2023-11-23 00:11:48,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2067 states. [2023-11-23 00:11:48,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2067 to 2067. [2023-11-23 00:11:48,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2067 states, 1274 states have (on average 1.335164835164835) internal successors, (1701), 1345 states have internal predecessors, (1701), 604 states have call successors, (604), 188 states have call predecessors, (604), 163 states have return successors, (566), 554 states have call predecessors, (566), 566 states have call successors, (566) [2023-11-23 00:11:48,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2067 states to 2067 states and 2871 transitions. [2023-11-23 00:11:48,306 INFO L78 Accepts]: Start accepts. Automaton has 2067 states and 2871 transitions. Word has length 44 [2023-11-23 00:11:48,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:11:48,306 INFO L495 AbstractCegarLoop]: Abstraction has 2067 states and 2871 transitions. [2023-11-23 00:11:48,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 4 states have internal predecessors, (22), 3 states have call successors, (9), 5 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-23 00:11:48,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2067 states and 2871 transitions. [2023-11-23 00:11:48,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 00:11:48,308 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:11:48,308 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:11:48,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 00:11:48,308 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting reach_error_linux_block_genhdErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2023-11-23 00:11:48,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:11:48,308 INFO L85 PathProgramCache]: Analyzing trace with hash -793177792, now seen corresponding path program 1 times [2023-11-23 00:11:48,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:11:48,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007418464] [2023-11-23 00:11:48,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:11:48,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:11:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:48,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:11:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:48,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:11:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:48,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 00:11:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:48,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 00:11:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:48,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:11:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:48,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 00:11:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:48,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 00:11:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:48,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 00:11:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:11:48,670 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 00:11:48,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:11:48,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007418464] [2023-11-23 00:11:48,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007418464] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:11:48,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:11:48,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:11:48,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510805072] [2023-11-23 00:11:48,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:11:48,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:11:48,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:11:48,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:11:48,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:11:48,673 INFO L87 Difference]: Start difference. First operand 2067 states and 2871 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-23 00:11:52,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:11:54,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:11:56,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:11:58,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:12:00,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:12:11,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:12:11,717 INFO L93 Difference]: Finished difference Result 4104 states and 5702 transitions. [2023-11-23 00:12:11,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 00:12:11,717 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (10), 5 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 49 [2023-11-23 00:12:11,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:12:11,732 INFO L225 Difference]: With dead ends: 4104 [2023-11-23 00:12:11,732 INFO L226 Difference]: Without dead ends: 4101 [2023-11-23 00:12:11,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-23 00:12:11,735 INFO L413 NwaCegarLoop]: 688 mSDtfsCounter, 6735 mSDsluCounter, 1479 mSDsCounter, 0 mSdLazyCounter, 8529 mSolverCounterSat, 4163 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6927 SdHoareTripleChecker+Valid, 2167 SdHoareTripleChecker+Invalid, 12697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4163 IncrementalHoareTripleChecker+Valid, 8529 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2023-11-23 00:12:11,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6927 Valid, 2167 Invalid, 12697 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4163 Valid, 8529 Invalid, 5 Unknown, 0 Unchecked, 22.6s Time] [2023-11-23 00:12:11,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4101 states. [2023-11-23 00:12:11,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4101 to 3892. [2023-11-23 00:12:11,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3892 states, 2434 states have (on average 1.3381265406737881) internal successors, (3257), 2538 states have internal predecessors, (3257), 1124 states have call successors, (1124), 333 states have call predecessors, (1124), 308 states have return successors, (1095), 1060 states have call predecessors, (1095), 1086 states have call successors, (1095) [2023-11-23 00:12:11,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3892 states to 3892 states and 5476 transitions. [2023-11-23 00:12:11,863 INFO L78 Accepts]: Start accepts. Automaton has 3892 states and 5476 transitions. Word has length 49 [2023-11-23 00:12:11,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:12:11,865 INFO L495 AbstractCegarLoop]: Abstraction has 3892 states and 5476 transitions. [2023-11-23 00:12:11,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 4 states have internal predecessors, (25), 3 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-23 00:12:11,865 INFO L276 IsEmpty]: Start isEmpty. Operand 3892 states and 5476 transitions. [2023-11-23 00:12:11,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 00:12:11,867 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:12:11,867 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:12:11,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 00:12:11,868 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting reach_error_linux_block_queueErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2023-11-23 00:12:11,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:12:11,868 INFO L85 PathProgramCache]: Analyzing trace with hash -132279967, now seen corresponding path program 1 times [2023-11-23 00:12:11,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:12:11,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211800165] [2023-11-23 00:12:11,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:12:11,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:12:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:12,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:12:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:12,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:12:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:12,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 00:12:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:12,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 00:12:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:12,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:12:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:12,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 00:12:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:12,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 00:12:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:12,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 00:12:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:12,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-23 00:12:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:12,186 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 00:12:12,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:12:12,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211800165] [2023-11-23 00:12:12,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211800165] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:12:12,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:12:12,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:12:12,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024096930] [2023-11-23 00:12:12,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:12:12,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:12:12,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:12:12,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:12:12,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:12:12,188 INFO L87 Difference]: Start difference. First operand 3892 states and 5476 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-23 00:12:15,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:12:17,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:12:24,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:12:26,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:12:28,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:12:34,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:12:34,987 INFO L93 Difference]: Finished difference Result 7748 states and 10926 transitions. [2023-11-23 00:12:34,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-23 00:12:34,987 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (11), 5 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 54 [2023-11-23 00:12:34,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:12:35,032 INFO L225 Difference]: With dead ends: 7748 [2023-11-23 00:12:35,032 INFO L226 Difference]: Without dead ends: 7745 [2023-11-23 00:12:35,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-23 00:12:35,036 INFO L413 NwaCegarLoop]: 686 mSDtfsCounter, 7141 mSDsluCounter, 1476 mSDsCounter, 0 mSdLazyCounter, 7766 mSolverCounterSat, 4510 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7333 SdHoareTripleChecker+Valid, 2162 SdHoareTripleChecker+Invalid, 12281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4510 IncrementalHoareTripleChecker+Valid, 7766 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2023-11-23 00:12:35,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7333 Valid, 2162 Invalid, 12281 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4510 Valid, 7766 Invalid, 5 Unknown, 0 Unchecked, 22.2s Time] [2023-11-23 00:12:35,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7745 states. [2023-11-23 00:12:35,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7745 to 7540. [2023-11-23 00:12:35,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7540 states, 4752 states have (on average 1.3398569023569022) internal successors, (6367), 4922 states have internal predecessors, (6367), 2164 states have call successors, (2164), 623 states have call predecessors, (2164), 598 states have return successors, (2171), 2072 states have call predecessors, (2171), 2126 states have call successors, (2171) [2023-11-23 00:12:35,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7540 states to 7540 states and 10702 transitions. [2023-11-23 00:12:35,310 INFO L78 Accepts]: Start accepts. Automaton has 7540 states and 10702 transitions. Word has length 54 [2023-11-23 00:12:35,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:12:35,311 INFO L495 AbstractCegarLoop]: Abstraction has 7540 states and 10702 transitions. [2023-11-23 00:12:35,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 3 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-23 00:12:35,312 INFO L276 IsEmpty]: Start isEmpty. Operand 7540 states and 10702 transitions. [2023-11-23 00:12:35,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 00:12:35,314 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:12:35,314 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:12:35,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 00:12:35,315 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting reach_error_linux_block_requestErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2023-11-23 00:12:35,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:12:35,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1573441436, now seen corresponding path program 1 times [2023-11-23 00:12:35,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:12:35,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743613608] [2023-11-23 00:12:35,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:12:35,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:12:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:35,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:12:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:35,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:12:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:35,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 00:12:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:35,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 00:12:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:35,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:12:35,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:35,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 00:12:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:35,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 00:12:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:35,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 00:12:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:35,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-23 00:12:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:35,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 00:12:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:35,682 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 00:12:35,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:12:35,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743613608] [2023-11-23 00:12:35,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743613608] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:12:35,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:12:35,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:12:35,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317757858] [2023-11-23 00:12:35,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:12:35,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:12:35,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:12:35,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:12:35,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:12:35,685 INFO L87 Difference]: Start difference. First operand 7540 states and 10702 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-23 00:12:39,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:12:41,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:12:46,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:12:46,883 INFO L93 Difference]: Finished difference Result 7540 states and 10702 transitions. [2023-11-23 00:12:46,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 00:12:46,889 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (12), 5 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 59 [2023-11-23 00:12:46,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:12:46,915 INFO L225 Difference]: With dead ends: 7540 [2023-11-23 00:12:46,915 INFO L226 Difference]: Without dead ends: 7537 [2023-11-23 00:12:46,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 00:12:46,919 INFO L413 NwaCegarLoop]: 686 mSDtfsCounter, 4612 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 5094 mSolverCounterSat, 2687 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4807 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 7783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2687 IncrementalHoareTripleChecker+Valid, 5094 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2023-11-23 00:12:46,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4807 Valid, 1716 Invalid, 7783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2687 Valid, 5094 Invalid, 2 Unknown, 0 Unchecked, 10.8s Time] [2023-11-23 00:12:46,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7537 states. [2023-11-23 00:12:47,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7537 to 7537. [2023-11-23 00:12:47,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7537 states, 4751 states have (on average 1.3397179541149231) internal successors, (6365), 4920 states have internal predecessors, (6365), 2163 states have call successors, (2163), 622 states have call predecessors, (2163), 598 states have return successors, (2171), 2072 states have call predecessors, (2171), 2126 states have call successors, (2171) [2023-11-23 00:12:47,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7537 states to 7537 states and 10699 transitions. [2023-11-23 00:12:47,187 INFO L78 Accepts]: Start accepts. Automaton has 7537 states and 10699 transitions. Word has length 59 [2023-11-23 00:12:47,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:12:47,187 INFO L495 AbstractCegarLoop]: Abstraction has 7537 states and 10699 transitions. [2023-11-23 00:12:47,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (12), 5 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-23 00:12:47,187 INFO L276 IsEmpty]: Start isEmpty. Operand 7537 states and 10699 transitions. [2023-11-23 00:12:47,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 00:12:47,188 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:12:47,188 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:12:47,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 00:12:47,188 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting reach_error_linux_drivers_base_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2023-11-23 00:12:47,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:12:47,189 INFO L85 PathProgramCache]: Analyzing trace with hash -960595857, now seen corresponding path program 1 times [2023-11-23 00:12:47,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:12:47,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914767989] [2023-11-23 00:12:47,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:12:47,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:12:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:47,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:12:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:47,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:12:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:47,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 00:12:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:47,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 00:12:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:47,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:12:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:47,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 00:12:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:47,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 00:12:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:47,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 00:12:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:47,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-23 00:12:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:47,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 00:12:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:47,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-23 00:12:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:47,569 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 00:12:47,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:12:47,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914767989] [2023-11-23 00:12:47,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914767989] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:12:47,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:12:47,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:12:47,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692044138] [2023-11-23 00:12:47,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:12:47,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:12:47,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:12:47,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:12:47,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:12:47,571 INFO L87 Difference]: Start difference. First operand 7537 states and 10699 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-23 00:12:50,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:12:52,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:12:58,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:12:58,580 INFO L93 Difference]: Finished difference Result 7537 states and 10699 transitions. [2023-11-23 00:12:58,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 00:12:58,580 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (13), 5 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 64 [2023-11-23 00:12:58,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:12:58,601 INFO L225 Difference]: With dead ends: 7537 [2023-11-23 00:12:58,602 INFO L226 Difference]: Without dead ends: 7534 [2023-11-23 00:12:58,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 00:12:58,606 INFO L413 NwaCegarLoop]: 686 mSDtfsCounter, 4606 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 5088 mSolverCounterSat, 2684 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4800 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 7774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2684 IncrementalHoareTripleChecker+Valid, 5088 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2023-11-23 00:12:58,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4800 Valid, 1716 Invalid, 7774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2684 Valid, 5088 Invalid, 2 Unknown, 0 Unchecked, 10.6s Time] [2023-11-23 00:12:58,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7534 states. [2023-11-23 00:12:58,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7534 to 7534. [2023-11-23 00:12:58,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7534 states, 4750 states have (on average 1.339578947368421) internal successors, (6363), 4918 states have internal predecessors, (6363), 2162 states have call successors, (2162), 621 states have call predecessors, (2162), 598 states have return successors, (2171), 2072 states have call predecessors, (2171), 2126 states have call successors, (2171) [2023-11-23 00:12:58,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7534 states to 7534 states and 10696 transitions. [2023-11-23 00:12:58,865 INFO L78 Accepts]: Start accepts. Automaton has 7534 states and 10696 transitions. Word has length 64 [2023-11-23 00:12:58,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:12:58,866 INFO L495 AbstractCegarLoop]: Abstraction has 7534 states and 10696 transitions. [2023-11-23 00:12:58,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (13), 5 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-23 00:12:58,866 INFO L276 IsEmpty]: Start isEmpty. Operand 7534 states and 10696 transitions. [2023-11-23 00:12:58,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-23 00:12:58,867 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:12:58,867 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:12:58,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 00:12:58,867 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting reach_error_linux_fs_char_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2023-11-23 00:12:58,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:12:58,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1639352567, now seen corresponding path program 1 times [2023-11-23 00:12:58,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:12:58,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25621527] [2023-11-23 00:12:58,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:12:58,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:12:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:59,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:12:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:59,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:12:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:59,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 00:12:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:59,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 00:12:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:59,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:12:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:59,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 00:12:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:59,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 00:12:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:59,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 00:12:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:59,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-23 00:12:59,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:59,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 00:12:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:59,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-23 00:12:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:59,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 00:12:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:12:59,222 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 00:12:59,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:12:59,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25621527] [2023-11-23 00:12:59,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25621527] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:12:59,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:12:59,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:12:59,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662799928] [2023-11-23 00:12:59,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:12:59,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:12:59,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:12:59,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:12:59,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:12:59,224 INFO L87 Difference]: Start difference. First operand 7534 states and 10696 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 00:13:02,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:13:04,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:13:10,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:13:10,106 INFO L93 Difference]: Finished difference Result 7534 states and 10696 transitions. [2023-11-23 00:13:10,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 00:13:10,106 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (14), 5 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 69 [2023-11-23 00:13:10,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:13:10,124 INFO L225 Difference]: With dead ends: 7534 [2023-11-23 00:13:10,125 INFO L226 Difference]: Without dead ends: 7531 [2023-11-23 00:13:10,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 00:13:10,128 INFO L413 NwaCegarLoop]: 686 mSDtfsCounter, 4600 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 5082 mSolverCounterSat, 2681 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4793 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 7765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2681 IncrementalHoareTripleChecker+Valid, 5082 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2023-11-23 00:13:10,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4793 Valid, 1716 Invalid, 7765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2681 Valid, 5082 Invalid, 2 Unknown, 0 Unchecked, 10.5s Time] [2023-11-23 00:13:10,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7531 states. [2023-11-23 00:13:10,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7531 to 7531. [2023-11-23 00:13:10,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7531 states, 4749 states have (on average 1.339439882080438) internal successors, (6361), 4916 states have internal predecessors, (6361), 2161 states have call successors, (2161), 620 states have call predecessors, (2161), 598 states have return successors, (2171), 2072 states have call predecessors, (2171), 2126 states have call successors, (2171) [2023-11-23 00:13:10,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7531 states to 7531 states and 10693 transitions. [2023-11-23 00:13:10,466 INFO L78 Accepts]: Start accepts. Automaton has 7531 states and 10693 transitions. Word has length 69 [2023-11-23 00:13:10,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:13:10,466 INFO L495 AbstractCegarLoop]: Abstraction has 7531 states and 10693 transitions. [2023-11-23 00:13:10,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 00:13:10,467 INFO L276 IsEmpty]: Start isEmpty. Operand 7531 states and 10693 transitions. [2023-11-23 00:13:10,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-23 00:13:10,468 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:13:10,468 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:13:10,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 00:13:10,468 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting reach_error_linux_fs_sysfsErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2023-11-23 00:13:10,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:13:10,468 INFO L85 PathProgramCache]: Analyzing trace with hash -25978328, now seen corresponding path program 1 times [2023-11-23 00:13:10,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:13:10,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993751624] [2023-11-23 00:13:10,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:13:10,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:13:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:10,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:13:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:10,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:13:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:10,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 00:13:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:10,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 00:13:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:10,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:13:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:10,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 00:13:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:10,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 00:13:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:10,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 00:13:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:10,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-23 00:13:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:10,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 00:13:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:10,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-23 00:13:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:10,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 00:13:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:10,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-23 00:13:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:10,743 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 00:13:10,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:13:10,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993751624] [2023-11-23 00:13:10,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993751624] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:13:10,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:13:10,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:13:10,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795162745] [2023-11-23 00:13:10,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:13:10,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:13:10,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:13:10,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:13:10,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:13:10,746 INFO L87 Difference]: Start difference. First operand 7531 states and 10693 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 00:13:14,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:13:16,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:13:21,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:13:21,580 INFO L93 Difference]: Finished difference Result 7531 states and 10693 transitions. [2023-11-23 00:13:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 00:13:21,580 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (15), 5 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 74 [2023-11-23 00:13:21,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:13:21,598 INFO L225 Difference]: With dead ends: 7531 [2023-11-23 00:13:21,598 INFO L226 Difference]: Without dead ends: 7528 [2023-11-23 00:13:21,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 00:13:21,603 INFO L413 NwaCegarLoop]: 686 mSDtfsCounter, 4594 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 5076 mSolverCounterSat, 2678 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4786 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 7756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2678 IncrementalHoareTripleChecker+Valid, 5076 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2023-11-23 00:13:21,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4786 Valid, 1716 Invalid, 7756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2678 Valid, 5076 Invalid, 2 Unknown, 0 Unchecked, 10.5s Time] [2023-11-23 00:13:21,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7528 states. [2023-11-23 00:13:21,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7528 to 7528. [2023-11-23 00:13:21,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7528 states, 4748 states have (on average 1.3393007582139849) internal successors, (6359), 4914 states have internal predecessors, (6359), 2160 states have call successors, (2160), 619 states have call predecessors, (2160), 598 states have return successors, (2171), 2072 states have call predecessors, (2171), 2126 states have call successors, (2171) [2023-11-23 00:13:21,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7528 states to 7528 states and 10690 transitions. [2023-11-23 00:13:21,946 INFO L78 Accepts]: Start accepts. Automaton has 7528 states and 10690 transitions. Word has length 74 [2023-11-23 00:13:21,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:13:21,947 INFO L495 AbstractCegarLoop]: Abstraction has 7528 states and 10690 transitions. [2023-11-23 00:13:21,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (15), 5 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 00:13:21,948 INFO L276 IsEmpty]: Start isEmpty. Operand 7528 states and 10690 transitions. [2023-11-23 00:13:21,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-23 00:13:21,951 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:13:21,951 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:13:21,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-23 00:13:21,952 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting reach_error_linux_kernel_locking_rwlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2023-11-23 00:13:21,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:13:21,952 INFO L85 PathProgramCache]: Analyzing trace with hash -91139165, now seen corresponding path program 1 times [2023-11-23 00:13:21,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:13:21,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533487819] [2023-11-23 00:13:21,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:13:21,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:13:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:22,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:13:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:22,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:13:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:22,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 00:13:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:22,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 00:13:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:22,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:13:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:22,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 00:13:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:22,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 00:13:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:22,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 00:13:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:22,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-23 00:13:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:22,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 00:13:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:22,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-23 00:13:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:22,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 00:13:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:22,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-23 00:13:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:22,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 00:13:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:22,230 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 00:13:22,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:13:22,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533487819] [2023-11-23 00:13:22,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533487819] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:13:22,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:13:22,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:13:22,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832428500] [2023-11-23 00:13:22,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:13:22,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:13:22,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:13:22,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:13:22,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:13:22,232 INFO L87 Difference]: Start difference. First operand 7528 states and 10690 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 00:13:25,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:13:27,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:13:33,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:13:33,198 INFO L93 Difference]: Finished difference Result 7530 states and 10691 transitions. [2023-11-23 00:13:33,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 00:13:33,199 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 79 [2023-11-23 00:13:33,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:13:33,215 INFO L225 Difference]: With dead ends: 7530 [2023-11-23 00:13:33,215 INFO L226 Difference]: Without dead ends: 7527 [2023-11-23 00:13:33,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 00:13:33,218 INFO L413 NwaCegarLoop]: 686 mSDtfsCounter, 4591 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 5072 mSolverCounterSat, 2675 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4782 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 7749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2675 IncrementalHoareTripleChecker+Valid, 5072 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2023-11-23 00:13:33,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4782 Valid, 1716 Invalid, 7749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2675 Valid, 5072 Invalid, 2 Unknown, 0 Unchecked, 10.5s Time] [2023-11-23 00:13:33,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7527 states. [2023-11-23 00:13:33,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7527 to 7527. [2023-11-23 00:13:33,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7527 states, 4748 states have (on average 1.3390901432181972) internal successors, (6358), 4913 states have internal predecessors, (6358), 2159 states have call successors, (2159), 619 states have call predecessors, (2159), 598 states have return successors, (2171), 2072 states have call predecessors, (2171), 2126 states have call successors, (2171) [2023-11-23 00:13:33,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7527 states to 7527 states and 10688 transitions. [2023-11-23 00:13:33,519 INFO L78 Accepts]: Start accepts. Automaton has 7527 states and 10688 transitions. Word has length 79 [2023-11-23 00:13:33,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:13:33,520 INFO L495 AbstractCegarLoop]: Abstraction has 7527 states and 10688 transitions. [2023-11-23 00:13:33,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 00:13:33,520 INFO L276 IsEmpty]: Start isEmpty. Operand 7527 states and 10688 transitions. [2023-11-23 00:13:33,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-23 00:13:33,521 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:13:33,521 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:13:33,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-23 00:13:33,521 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting reach_error_linux_kernel_locking_rwlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2023-11-23 00:13:33,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:13:33,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1760340409, now seen corresponding path program 1 times [2023-11-23 00:13:33,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:13:33,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545479064] [2023-11-23 00:13:33,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:13:33,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:13:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:33,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:13:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:33,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:13:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:33,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 00:13:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:33,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 00:13:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:33,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:13:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:33,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 00:13:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:33,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 00:13:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:33,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 00:13:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:33,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-23 00:13:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:33,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 00:13:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:33,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-23 00:13:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:33,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 00:13:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:33,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-23 00:13:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:33,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 00:13:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:33,832 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 00:13:33,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:13:33,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545479064] [2023-11-23 00:13:33,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545479064] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:13:33,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:13:33,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:13:33,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318180910] [2023-11-23 00:13:33,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:13:33,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:13:33,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:13:33,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:13:33,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:13:33,835 INFO L87 Difference]: Start difference. First operand 7527 states and 10688 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 00:13:37,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:13:39,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:13:44,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:13:44,444 INFO L93 Difference]: Finished difference Result 7527 states and 10688 transitions. [2023-11-23 00:13:44,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 00:13:44,445 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 81 [2023-11-23 00:13:44,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:13:44,463 INFO L225 Difference]: With dead ends: 7527 [2023-11-23 00:13:44,463 INFO L226 Difference]: Without dead ends: 7524 [2023-11-23 00:13:44,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 00:13:44,467 INFO L413 NwaCegarLoop]: 686 mSDtfsCounter, 4583 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 5066 mSolverCounterSat, 2672 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4774 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 7740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2672 IncrementalHoareTripleChecker+Valid, 5066 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2023-11-23 00:13:44,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4774 Valid, 1716 Invalid, 7740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2672 Valid, 5066 Invalid, 2 Unknown, 0 Unchecked, 10.2s Time] [2023-11-23 00:13:44,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7524 states. [2023-11-23 00:13:44,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7524 to 7524. [2023-11-23 00:13:44,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7524 states, 4747 states have (on average 1.3389509163682325) internal successors, (6356), 4911 states have internal predecessors, (6356), 2158 states have call successors, (2158), 618 states have call predecessors, (2158), 598 states have return successors, (2171), 2072 states have call predecessors, (2171), 2126 states have call successors, (2171) [2023-11-23 00:13:44,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7524 states to 7524 states and 10685 transitions. [2023-11-23 00:13:44,831 INFO L78 Accepts]: Start accepts. Automaton has 7524 states and 10685 transitions. Word has length 81 [2023-11-23 00:13:44,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:13:44,831 INFO L495 AbstractCegarLoop]: Abstraction has 7524 states and 10685 transitions. [2023-11-23 00:13:44,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 00:13:44,832 INFO L276 IsEmpty]: Start isEmpty. Operand 7524 states and 10685 transitions. [2023-11-23 00:13:44,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-23 00:13:44,832 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:13:44,833 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:13:44,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-23 00:13:44,833 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting reach_error_linux_kernel_moduleErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2023-11-23 00:13:44,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:13:44,833 INFO L85 PathProgramCache]: Analyzing trace with hash -299191851, now seen corresponding path program 1 times [2023-11-23 00:13:44,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:13:44,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35767451] [2023-11-23 00:13:44,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:13:44,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:13:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:45,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:13:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:45,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:13:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:45,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 00:13:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:45,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 00:13:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:45,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:13:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:45,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 00:13:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:45,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 00:13:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:45,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 00:13:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:45,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-23 00:13:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:45,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 00:13:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:45,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-23 00:13:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:45,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 00:13:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:45,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-23 00:13:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:45,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 00:13:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:45,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-23 00:13:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:45,107 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 00:13:45,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:13:45,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35767451] [2023-11-23 00:13:45,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35767451] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:13:45,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:13:45,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:13:45,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615420929] [2023-11-23 00:13:45,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:13:45,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:13:45,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:13:45,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:13:45,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:13:45,109 INFO L87 Difference]: Start difference. First operand 7524 states and 10685 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 00:13:48,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:13:50,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:13:55,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:13:55,978 INFO L93 Difference]: Finished difference Result 7524 states and 10685 transitions. [2023-11-23 00:13:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 00:13:55,978 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (17), 5 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 86 [2023-11-23 00:13:55,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:13:56,000 INFO L225 Difference]: With dead ends: 7524 [2023-11-23 00:13:56,001 INFO L226 Difference]: Without dead ends: 7521 [2023-11-23 00:13:56,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 00:13:56,005 INFO L413 NwaCegarLoop]: 686 mSDtfsCounter, 4579 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 5060 mSolverCounterSat, 2669 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4769 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 7731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2669 IncrementalHoareTripleChecker+Valid, 5060 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2023-11-23 00:13:56,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4769 Valid, 1716 Invalid, 7731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2669 Valid, 5060 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2023-11-23 00:13:56,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7521 states. [2023-11-23 00:13:56,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7521 to 7521. [2023-11-23 00:13:56,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7521 states, 4746 states have (on average 1.338811630847029) internal successors, (6354), 4909 states have internal predecessors, (6354), 2157 states have call successors, (2157), 617 states have call predecessors, (2157), 598 states have return successors, (2171), 2072 states have call predecessors, (2171), 2126 states have call successors, (2171) [2023-11-23 00:13:56,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7521 states to 7521 states and 10682 transitions. [2023-11-23 00:13:56,413 INFO L78 Accepts]: Start accepts. Automaton has 7521 states and 10682 transitions. Word has length 86 [2023-11-23 00:13:56,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:13:56,413 INFO L495 AbstractCegarLoop]: Abstraction has 7521 states and 10682 transitions. [2023-11-23 00:13:56,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 00:13:56,414 INFO L276 IsEmpty]: Start isEmpty. Operand 7521 states and 10682 transitions. [2023-11-23 00:13:56,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 00:13:56,415 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:13:56,415 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 00:13:56,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-23 00:13:56,415 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2023-11-23 00:13:56,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:13:56,416 INFO L85 PathProgramCache]: Analyzing trace with hash -931495941, now seen corresponding path program 1 times [2023-11-23 00:13:56,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:13:56,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733691864] [2023-11-23 00:13:56,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:13:56,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:13:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:56,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:13:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:56,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-23 00:13:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:56,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 00:13:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:56,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 00:13:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:56,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:13:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:56,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-23 00:13:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:56,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-23 00:13:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:56,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-23 00:13:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:56,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-23 00:13:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:56,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-23 00:13:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:56,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-23 00:13:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:56,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-23 00:13:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:56,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-23 00:13:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:56,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 00:13:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:56,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-23 00:13:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:56,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-23 00:13:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:13:56,695 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 00:13:56,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:13:56,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733691864] [2023-11-23 00:13:56,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733691864] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:13:56,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:13:56,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 00:13:56,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255751370] [2023-11-23 00:13:56,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:13:56,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 00:13:56,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:13:56,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 00:13:56,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 00:13:56,697 INFO L87 Difference]: Start difference. First operand 7521 states and 10682 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-23 00:13:59,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:14:01,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:14:07,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:14:07,643 INFO L93 Difference]: Finished difference Result 7521 states and 10682 transitions. [2023-11-23 00:14:07,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 00:14:07,644 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (18), 5 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 91 [2023-11-23 00:14:07,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:14:07,658 INFO L225 Difference]: With dead ends: 7521 [2023-11-23 00:14:07,659 INFO L226 Difference]: Without dead ends: 7518 [2023-11-23 00:14:07,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 00:14:07,661 INFO L413 NwaCegarLoop]: 686 mSDtfsCounter, 4573 mSDsluCounter, 1030 mSDsCounter, 0 mSdLazyCounter, 5054 mSolverCounterSat, 2666 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4762 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 7722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2666 IncrementalHoareTripleChecker+Valid, 5054 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2023-11-23 00:14:07,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4762 Valid, 1716 Invalid, 7722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2666 Valid, 5054 Invalid, 2 Unknown, 0 Unchecked, 10.5s Time] [2023-11-23 00:14:07,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7518 states. [2023-11-23 00:14:08,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7518 to 7518. [2023-11-23 00:14:08,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7518 states, 4745 states have (on average 1.338672286617492) internal successors, (6352), 4907 states have internal predecessors, (6352), 2156 states have call successors, (2156), 616 states have call predecessors, (2156), 598 states have return successors, (2171), 2072 states have call predecessors, (2171), 2126 states have call successors, (2171) [2023-11-23 00:14:08,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7518 states to 7518 states and 10679 transitions. [2023-11-23 00:14:08,057 INFO L78 Accepts]: Start accepts. Automaton has 7518 states and 10679 transitions. Word has length 91 [2023-11-23 00:14:08,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:14:08,057 INFO L495 AbstractCegarLoop]: Abstraction has 7518 states and 10679 transitions. [2023-11-23 00:14:08,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-23 00:14:08,058 INFO L276 IsEmpty]: Start isEmpty. Operand 7518 states and 10679 transitions. [2023-11-23 00:14:08,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-23 00:14:08,058 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:14:08,059 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-23 00:14:08,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-23 00:14:08,059 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting reach_error_linux_alloc_irqErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2023-11-23 00:14:08,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:14:08,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1381331154, now seen corresponding path program 1 times [2023-11-23 00:14:08,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:14:08,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861989852] [2023-11-23 00:14:08,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:14:08,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:14:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:08,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:14:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:08,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 00:14:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:08,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:14:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:08,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 00:14:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:08,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:14:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:08,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 00:14:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:08,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 00:14:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:08,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 00:14:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:08,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:14:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:08,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 00:14:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:08,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 00:14:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:08,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 00:14:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:08,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:14:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:08,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 00:14:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:08,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 00:14:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:08,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-23 00:14:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:08,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-23 00:14:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:08,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 00:14:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:08,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 00:14:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:08,338 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2023-11-23 00:14:08,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:14:08,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861989852] [2023-11-23 00:14:08,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861989852] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:14:08,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:14:08,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 00:14:08,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296096619] [2023-11-23 00:14:08,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:14:08,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 00:14:08,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:14:08,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 00:14:08,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-23 00:14:08,340 INFO L87 Difference]: Start difference. First operand 7518 states and 10679 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 00:14:12,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:14:14,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:14:16,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:14:18,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:14:28,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:14:28,168 INFO L93 Difference]: Finished difference Result 16545 states and 23923 transitions. [2023-11-23 00:14:28,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 00:14:28,168 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 112 [2023-11-23 00:14:28,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:14:28,191 INFO L225 Difference]: With dead ends: 16545 [2023-11-23 00:14:28,191 INFO L226 Difference]: Without dead ends: 9038 [2023-11-23 00:14:28,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-11-23 00:14:28,212 INFO L413 NwaCegarLoop]: 1049 mSDtfsCounter, 3833 mSDsluCounter, 2417 mSDsCounter, 0 mSdLazyCounter, 9514 mSolverCounterSat, 3012 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3974 SdHoareTripleChecker+Valid, 3466 SdHoareTripleChecker+Invalid, 12530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3012 IncrementalHoareTripleChecker+Valid, 9514 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2023-11-23 00:14:28,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3974 Valid, 3466 Invalid, 12530 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3012 Valid, 9514 Invalid, 4 Unknown, 0 Unchecked, 19.1s Time] [2023-11-23 00:14:28,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9038 states. [2023-11-23 00:14:28,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9038 to 7538. [2023-11-23 00:14:28,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7538 states, 4756 states have (on average 1.3378889823380993) internal successors, (6363), 4927 states have internal predecessors, (6363), 2156 states have call successors, (2156), 616 states have call predecessors, (2156), 607 states have return successors, (2184), 2072 states have call predecessors, (2184), 2126 states have call successors, (2184) [2023-11-23 00:14:28,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7538 states to 7538 states and 10703 transitions. [2023-11-23 00:14:28,672 INFO L78 Accepts]: Start accepts. Automaton has 7538 states and 10703 transitions. Word has length 112 [2023-11-23 00:14:28,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:14:28,672 INFO L495 AbstractCegarLoop]: Abstraction has 7538 states and 10703 transitions. [2023-11-23 00:14:28,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 00:14:28,673 INFO L276 IsEmpty]: Start isEmpty. Operand 7538 states and 10703 transitions. [2023-11-23 00:14:28,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-23 00:14:28,674 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:14:28,674 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-23 00:14:28,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-23 00:14:28,674 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting reach_error_linux_alloc_irqErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2023-11-23 00:14:28,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:14:28,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1046927468, now seen corresponding path program 1 times [2023-11-23 00:14:28,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:14:28,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622308714] [2023-11-23 00:14:28,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:14:28,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:14:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:28,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:14:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:28,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 00:14:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:28,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:14:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:28,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 00:14:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:28,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:14:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:28,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 00:14:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:28,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 00:14:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:28,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 00:14:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:28,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:14:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:28,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 00:14:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:28,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 00:14:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:28,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 00:14:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:28,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:14:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:28,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 00:14:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:28,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 00:14:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:28,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-23 00:14:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:28,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-23 00:14:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:28,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 00:14:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:28,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 00:14:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:28,977 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2023-11-23 00:14:28,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:14:28,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622308714] [2023-11-23 00:14:28,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622308714] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:14:28,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:14:28,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 00:14:28,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221338008] [2023-11-23 00:14:28,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:14:28,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 00:14:28,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:14:28,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 00:14:28,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-23 00:14:28,979 INFO L87 Difference]: Start difference. First operand 7538 states and 10703 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 00:14:33,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:14:35,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:14:37,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:14:39,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:14:49,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 00:14:49,232 INFO L93 Difference]: Finished difference Result 16560 states and 23939 transitions. [2023-11-23 00:14:49,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 00:14:49,233 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 112 [2023-11-23 00:14:49,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 00:14:49,251 INFO L225 Difference]: With dead ends: 16560 [2023-11-23 00:14:49,251 INFO L226 Difference]: Without dead ends: 9041 [2023-11-23 00:14:49,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-11-23 00:14:49,265 INFO L413 NwaCegarLoop]: 1054 mSDtfsCounter, 3823 mSDsluCounter, 2421 mSDsCounter, 0 mSdLazyCounter, 9553 mSolverCounterSat, 3008 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3964 SdHoareTripleChecker+Valid, 3475 SdHoareTripleChecker+Invalid, 12565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3008 IncrementalHoareTripleChecker+Valid, 9553 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2023-11-23 00:14:49,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3964 Valid, 3475 Invalid, 12565 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3008 Valid, 9553 Invalid, 4 Unknown, 0 Unchecked, 19.4s Time] [2023-11-23 00:14:49,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9041 states. [2023-11-23 00:14:49,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9041 to 7540. [2023-11-23 00:14:49,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7540 states, 4758 states have (on average 1.3377469525010508) internal successors, (6365), 4929 states have internal predecessors, (6365), 2156 states have call successors, (2156), 616 states have call predecessors, (2156), 607 states have return successors, (2184), 2072 states have call predecessors, (2184), 2126 states have call successors, (2184) [2023-11-23 00:14:49,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7540 states to 7540 states and 10705 transitions. [2023-11-23 00:14:49,656 INFO L78 Accepts]: Start accepts. Automaton has 7540 states and 10705 transitions. Word has length 112 [2023-11-23 00:14:49,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 00:14:49,656 INFO L495 AbstractCegarLoop]: Abstraction has 7540 states and 10705 transitions. [2023-11-23 00:14:49,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 00:14:49,657 INFO L276 IsEmpty]: Start isEmpty. Operand 7540 states and 10705 transitions. [2023-11-23 00:14:49,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-23 00:14:49,657 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 00:14:49,658 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2023-11-23 00:14:49,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-23 00:14:49,658 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting reach_error_linux_alloc_irqErr0ASSERT_VIOLATIONERROR_FUNCTION === [reach_error_linux_kernel_rcu_update_lock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION, reach_error_linux_net_sockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 25 more)] === [2023-11-23 00:14:49,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 00:14:49,658 INFO L85 PathProgramCache]: Analyzing trace with hash 2077968366, now seen corresponding path program 1 times [2023-11-23 00:14:49,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 00:14:49,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801230736] [2023-11-23 00:14:49,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 00:14:49,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 00:14:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:50,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:14:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:50,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 00:14:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:50,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-23 00:14:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:50,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-23 00:14:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:50,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:14:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:50,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 00:14:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:50,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 00:14:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:50,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 00:14:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:50,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:14:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:50,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 00:14:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:50,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 00:14:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:50,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-23 00:14:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:50,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 00:14:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:50,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-23 00:14:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:50,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 00:14:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:50,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-23 00:14:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:50,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-23 00:14:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:50,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-23 00:14:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:50,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-23 00:14:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 00:14:50,236 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2023-11-23 00:14:50,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 00:14:50,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801230736] [2023-11-23 00:14:50,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801230736] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 00:14:50,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 00:14:50,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-23 00:14:50,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025439438] [2023-11-23 00:14:50,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 00:14:50,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 00:14:50,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 00:14:50,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 00:14:50,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-23 00:14:50,239 INFO L87 Difference]: Start difference. First operand 7540 states and 10705 transitions. Second operand has 9 states, 8 states have (on average 5.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-23 00:14:54,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:14:56,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:14:58,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:15:00,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 00:15:02,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15