./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/bin/utaipan-verify-NcY6lQBIFX --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:09:09,843 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:09:09,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:09:09,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:09:09,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:09:10,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:09:10,007 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:09:10,008 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:09:10,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:09:10,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:09:10,011 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:09:10,012 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:09:10,013 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:09:10,017 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:09:10,018 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:09:10,019 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:09:10,019 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:09:10,020 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:09:10,020 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:09:10,021 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:09:10,023 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:09:10,023 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:09:10,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:09:10,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:09:10,026 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:09:10,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:09:10,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:09:10,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:09:10,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:09:10,028 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:09:10,029 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:09:10,029 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:09:10,030 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:09:10,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:09:10,030 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:09:10,031 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:09:10,031 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:09:10,031 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:09:10,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:09:10,032 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:09:10,032 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:09:10,032 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:09:10,033 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a [2023-11-12 00:09:10,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:09:10,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:09:10,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:09:10,361 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:09:10,361 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:09:10,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2023-11-12 00:09:13,513 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:09:14,221 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:09:14,223 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2023-11-12 00:09:14,292 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/bin/utaipan-verify-NcY6lQBIFX/data/8cb050f06/759117fbb67a47b2a0a398dbd75fb37a/FLAGe9b075552 [2023-11-12 00:09:14,309 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/bin/utaipan-verify-NcY6lQBIFX/data/8cb050f06/759117fbb67a47b2a0a398dbd75fb37a [2023-11-12 00:09:14,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:09:14,317 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:09:14,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:09:14,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:09:14,324 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:09:14,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:09:14" (1/1) ... [2023-11-12 00:09:14,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39714256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:14, skipping insertion in model container [2023-11-12 00:09:14,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:09:14" (1/1) ... [2023-11-12 00:09:14,463 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:09:17,390 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323320,323333] [2023-11-12 00:09:17,394 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323489,323502] [2023-11-12 00:09:17,395 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323656,323669] [2023-11-12 00:09:17,396 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323824,323837] [2023-11-12 00:09:17,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:09:17,482 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:09:17,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5245] [2023-11-12 00:09:17,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5252] [2023-11-12 00:09:17,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [5259] [2023-11-12 00:09:17,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/f860c18/linux-kernel-locking-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [5309-5310] [2023-11-12 00:09:17,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5315-5317] [2023-11-12 00:09:17,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5476-5477] [2023-11-12 00:09:17,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5510-5511] [2023-11-12 00:09:17,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7257] [2023-11-12 00:09:17,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7580] [2023-11-12 00:09:17,969 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323320,323333] [2023-11-12 00:09:17,970 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323489,323502] [2023-11-12 00:09:17,971 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323656,323669] [2023-11-12 00:09:17,971 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i[323824,323837] [2023-11-12 00:09:17,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:09:18,225 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:09:18,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:18 WrapperNode [2023-11-12 00:09:18,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:09:18,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:09:18,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:09:18,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:09:18,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:18" (1/1) ... [2023-11-12 00:09:18,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:18" (1/1) ... [2023-11-12 00:09:18,595 INFO L138 Inliner]: procedures = 422, calls = 2027, calls flagged for inlining = 203, calls inlined = 186, statements flattened = 6154 [2023-11-12 00:09:18,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:09:18,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:09:18,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:09:18,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:09:18,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:18" (1/1) ... [2023-11-12 00:09:18,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:18" (1/1) ... [2023-11-12 00:09:18,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:18" (1/1) ... [2023-11-12 00:09:18,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:18" (1/1) ... [2023-11-12 00:09:18,872 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:18" (1/1) ... [2023-11-12 00:09:18,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:18" (1/1) ... [2023-11-12 00:09:18,946 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:18" (1/1) ... [2023-11-12 00:09:18,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:18" (1/1) ... [2023-11-12 00:09:19,024 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:09:19,025 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:09:19,026 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:09:19,026 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:09:19,027 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:18" (1/1) ... [2023-11-12 00:09:19,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:09:19,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:09:19,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:09:19,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_146033df-2cc6-4554-9416-9a6a69c92798/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:09:19,107 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 00:09:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 00:09:19,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:09:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:09:19,108 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 00:09:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 00:09:19,108 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_set_filter_mode [2023-11-12 00:09:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_set_filter_mode [2023-11-12 00:09:19,108 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:09:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:09:19,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:09:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:09:19,109 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_resume [2023-11-12 00:09:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_resume [2023-11-12 00:09:19,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:09:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:09:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2023-11-12 00:09:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2023-11-12 00:09:19,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_dmfe_board_info [2023-11-12 00:09:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_dmfe_board_info [2023-11-12 00:09:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:09:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:09:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-12 00:09:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-12 00:09:19,111 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-12 00:09:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-12 00:09:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2023-11-12 00:09:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2023-11-12 00:09:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-12 00:09:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-12 00:09:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 00:09:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 00:09:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_reuse_skb [2023-11-12 00:09:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_reuse_skb [2023-11-12 00:09:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2023-11-12 00:09:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2023-11-12 00:09:19,113 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 00:09:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 00:09:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:09:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:09:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:09:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:09:19,114 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-12 00:09:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-12 00:09:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:09:19,115 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:09:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:09:19,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:09:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2023-11-12 00:09:19,115 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2023-11-12 00:09:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:09:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure poll_dmfe [2023-11-12 00:09:19,116 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_dmfe [2023-11-12 00:09:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:09:19,116 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:09:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:09:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:09:19,117 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:09:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2023-11-12 00:09:19,117 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2023-11-12 00:09:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:09:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:09:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:09:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_remove_one [2023-11-12 00:09:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_remove_one [2023-11-12 00:09:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2023-11-12 00:09:19,118 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2023-11-12 00:09:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:09:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure dm9132_id_table [2023-11-12 00:09:19,119 INFO L138 BoogieDeclarations]: Found implementation of procedure dm9132_id_table [2023-11-12 00:09:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:09:19,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:09:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-12 00:09:19,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-12 00:09:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-12 00:09:19,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-12 00:09:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:09:19,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:09:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_interrupt [2023-11-12 00:09:19,120 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_interrupt [2023-11-12 00:09:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 00:09:19,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 00:09:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2023-11-12 00:09:19,121 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2023-11-12 00:09:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:09:19,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:09:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure cal_CRC [2023-11-12 00:09:19,121 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_CRC [2023-11-12 00:09:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:09:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:09:19,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:09:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:09:19,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:09:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:09:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2023-11-12 00:09:19,123 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2023-11-12 00:09:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:09:19,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:09:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:09:19,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:09:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:09:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2023-11-12 00:09:19,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2023-11-12 00:09:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:09:19,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:09:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-12 00:09:19,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-12 00:09:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_free_rxbuffer [2023-11-12 00:09:19,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_free_rxbuffer [2023-11-12 00:09:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-12 00:09:19,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-12 00:09:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:09:19,125 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:09:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 00:09:19,126 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 00:09:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2023-11-12 00:09:19,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2023-11-12 00:09:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_stop [2023-11-12 00:09:19,126 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_stop [2023-11-12 00:09:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:09:19,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:09:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:09:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:09:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:09:19,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:09:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:09:19,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:09:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 00:09:19,128 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 00:09:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_open [2023-11-12 00:09:19,128 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_open [2023-11-12 00:09:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-12 00:09:19,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-12 00:09:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 00:09:19,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 00:09:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2023-11-12 00:09:19,129 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2023-11-12 00:09:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:09:19,129 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:09:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-12 00:09:19,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-12 00:09:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2023-11-12 00:09:19,130 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2023-11-12 00:09:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 00:09:19,130 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 00:09:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:09:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:09:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-12 00:09:19,131 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-12 00:09:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2023-11-12 00:09:19,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2023-11-12 00:09:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:09:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:09:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:09:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_init_dm910x [2023-11-12 00:09:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_init_dm910x [2023-11-12 00:09:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:09:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:09:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:09:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:09:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2023-11-12 00:09:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2023-11-12 00:09:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:09:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:09:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2023-11-12 00:09:19,133 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2023-11-12 00:09:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:09:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:09:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:09:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2023-11-12 00:09:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2023-11-12 00:09:19,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_dmfe_cleanup_module_14_2 [2023-11-12 00:09:19,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_dmfe_cleanup_module_14_2 [2023-11-12 00:09:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2023-11-12 00:09:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2023-11-12 00:09:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:09:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:09:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-12 00:09:19,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-12 00:09:19,135 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 00:09:19,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 00:09:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:09:19,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:09:19,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:09:19,972 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:09:19,979 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:09:20,351 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:09:24,962 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:09:25,056 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:09:28,999 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:09:28,999 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:09:29,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:29 BoogieIcfgContainer [2023-11-12 00:09:29,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:09:29,010 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:09:29,010 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:09:29,016 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:09:29,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:09:14" (1/3) ... [2023-11-12 00:09:29,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9cde3bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:29, skipping insertion in model container [2023-11-12 00:09:29,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:09:18" (2/3) ... [2023-11-12 00:09:29,019 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9cde3bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:09:29, skipping insertion in model container [2023-11-12 00:09:29,020 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:09:29" (3/3) ... [2023-11-12 00:09:29,021 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2023-11-12 00:09:29,044 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:09:29,045 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 00:09:29,155 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:09:29,162 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=FINITE_AUTOMATA, 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;@3f680999, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:09:29,163 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 00:09:29,174 INFO L276 IsEmpty]: Start isEmpty. Operand has 1320 states, 774 states have (on average 1.301033591731266) internal successors, (1007), 797 states have internal predecessors, (1007), 460 states have call successors, (460), 84 states have call predecessors, (460), 83 states have return successors, (454), 445 states have call predecessors, (454), 454 states have call successors, (454) [2023-11-12 00:09:29,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-12 00:09:29,195 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:29,196 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:29,196 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:09:29,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:29,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1187468, now seen corresponding path program 1 times [2023-11-12 00:09:29,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:29,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640803755] [2023-11-12 00:09:29,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:29,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:30,185 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-12 00:09:30,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:09:30,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640803755] [2023-11-12 00:09:30,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640803755] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:30,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:09:30,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:09:30,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058507147] [2023-11-12 00:09:30,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:30,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:09:30,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:09:30,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:09:30,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:09:30,262 INFO L87 Difference]: Start difference. First operand has 1320 states, 774 states have (on average 1.301033591731266) internal successors, (1007), 797 states have internal predecessors, (1007), 460 states have call successors, (460), 84 states have call predecessors, (460), 83 states have return successors, (454), 445 states have call predecessors, (454), 454 states have call successors, (454) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-12 00:09:33,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:33,507 INFO L93 Difference]: Finished difference Result 3834 states and 5643 transitions. [2023-11-12 00:09:33,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:09:33,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 101 [2023-11-12 00:09:33,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:33,555 INFO L225 Difference]: With dead ends: 3834 [2023-11-12 00:09:33,555 INFO L226 Difference]: Without dead ends: 2521 [2023-11-12 00:09:33,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:09:33,575 INFO L413 NwaCegarLoop]: 1640 mSDtfsCounter, 1799 mSDsluCounter, 1577 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1799 SdHoareTripleChecker+Valid, 3217 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:33,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1799 Valid, 3217 Invalid, 591 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-12 00:09:33,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2521 states. [2023-11-12 00:09:33,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2521 to 2517. [2023-11-12 00:09:33,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2517 states, 1488 states have (on average 1.293010752688172) internal successors, (1924), 1533 states have internal predecessors, (1924), 864 states have call successors, (864), 163 states have call predecessors, (864), 162 states have return successors, (860), 842 states have call predecessors, (860), 860 states have call successors, (860) [2023-11-12 00:09:33,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 2517 states and 3648 transitions. [2023-11-12 00:09:33,865 INFO L78 Accepts]: Start accepts. Automaton has 2517 states and 3648 transitions. Word has length 101 [2023-11-12 00:09:33,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:33,867 INFO L495 AbstractCegarLoop]: Abstraction has 2517 states and 3648 transitions. [2023-11-12 00:09:33,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-12 00:09:33,867 INFO L276 IsEmpty]: Start isEmpty. Operand 2517 states and 3648 transitions. [2023-11-12 00:09:33,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-12 00:09:33,874 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:33,875 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:33,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:09:33,875 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:09:33,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:33,876 INFO L85 PathProgramCache]: Analyzing trace with hash 2085338031, now seen corresponding path program 1 times [2023-11-12 00:09:33,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:33,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686022845] [2023-11-12 00:09:33,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:33,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:34,410 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-12 00:09:34,412 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:09:34,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686022845] [2023-11-12 00:09:34,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686022845] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:34,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:09:34,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:09:34,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006747067] [2023-11-12 00:09:34,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:34,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:09:34,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:09:34,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:09:34,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:09:34,423 INFO L87 Difference]: Start difference. First operand 2517 states and 3648 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-12 00:09:37,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:39,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:39,831 INFO L93 Difference]: Finished difference Result 7459 states and 10820 transitions. [2023-11-12 00:09:39,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:09:39,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 107 [2023-11-12 00:09:39,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:39,880 INFO L225 Difference]: With dead ends: 7459 [2023-11-12 00:09:39,880 INFO L226 Difference]: Without dead ends: 4959 [2023-11-12 00:09:39,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:09:39,897 INFO L413 NwaCegarLoop]: 1622 mSDtfsCounter, 1848 mSDsluCounter, 1578 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1848 SdHoareTripleChecker+Valid, 3200 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:39,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1848 Valid, 3200 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-12 00:09:39,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4959 states. [2023-11-12 00:09:40,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4959 to 4929. [2023-11-12 00:09:40,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4929 states, 2929 states have (on average 1.295322635711847) internal successors, (3794), 3023 states have internal predecessors, (3794), 1676 states have call successors, (1676), 324 states have call predecessors, (1676), 321 states have return successors, (1682), 1625 states have call predecessors, (1682), 1672 states have call successors, (1682) [2023-11-12 00:09:40,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4929 states to 4929 states and 7152 transitions. [2023-11-12 00:09:40,263 INFO L78 Accepts]: Start accepts. Automaton has 4929 states and 7152 transitions. Word has length 107 [2023-11-12 00:09:40,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:40,264 INFO L495 AbstractCegarLoop]: Abstraction has 4929 states and 7152 transitions. [2023-11-12 00:09:40,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-12 00:09:40,265 INFO L276 IsEmpty]: Start isEmpty. Operand 4929 states and 7152 transitions. [2023-11-12 00:09:40,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-12 00:09:40,269 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:40,270 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:40,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:09:40,270 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:09:40,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:40,281 INFO L85 PathProgramCache]: Analyzing trace with hash 811231355, now seen corresponding path program 1 times [2023-11-12 00:09:40,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:40,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714229901] [2023-11-12 00:09:40,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:40,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:40,603 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-12 00:09:40,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:09:40,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714229901] [2023-11-12 00:09:40,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714229901] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:40,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:09:40,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:09:40,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49163965] [2023-11-12 00:09:40,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:40,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:09:40,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:09:40,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:09:40,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:09:40,610 INFO L87 Difference]: Start difference. First operand 4929 states and 7152 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-12 00:09:42,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:45,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:45,654 INFO L93 Difference]: Finished difference Result 14019 states and 20304 transitions. [2023-11-12 00:09:45,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:09:45,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 107 [2023-11-12 00:09:45,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:45,742 INFO L225 Difference]: With dead ends: 14019 [2023-11-12 00:09:45,742 INFO L226 Difference]: Without dead ends: 9107 [2023-11-12 00:09:45,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:09:45,779 INFO L413 NwaCegarLoop]: 1709 mSDtfsCounter, 1613 mSDsluCounter, 1574 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1613 SdHoareTripleChecker+Valid, 3283 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:45,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1613 Valid, 3283 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-12 00:09:45,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9107 states. [2023-11-12 00:09:46,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9107 to 9073. [2023-11-12 00:09:46,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9073 states, 5395 states have (on average 1.2967562557924004) internal successors, (6996), 5577 states have internal predecessors, (6996), 3056 states have call successors, (3056), 626 states have call predecessors, (3056), 619 states have return successors, (3078), 2953 states have call predecessors, (3078), 3052 states have call successors, (3078) [2023-11-12 00:09:46,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9073 states to 9073 states and 13130 transitions. [2023-11-12 00:09:46,438 INFO L78 Accepts]: Start accepts. Automaton has 9073 states and 13130 transitions. Word has length 107 [2023-11-12 00:09:46,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:46,440 INFO L495 AbstractCegarLoop]: Abstraction has 9073 states and 13130 transitions. [2023-11-12 00:09:46,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-12 00:09:46,442 INFO L276 IsEmpty]: Start isEmpty. Operand 9073 states and 13130 transitions. [2023-11-12 00:09:46,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-12 00:09:46,449 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:46,449 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:46,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:09:46,450 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:09:46,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:46,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1641546247, now seen corresponding path program 1 times [2023-11-12 00:09:46,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:46,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110014443] [2023-11-12 00:09:46,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:46,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:46,736 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-12 00:09:46,736 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:09:46,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110014443] [2023-11-12 00:09:46,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110014443] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:46,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:09:46,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:09:46,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570538229] [2023-11-12 00:09:46,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:46,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:09:46,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:09:46,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:09:46,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:09:46,739 INFO L87 Difference]: Start difference. First operand 9073 states and 13130 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-12 00:09:50,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:50,744 INFO L93 Difference]: Finished difference Result 17922 states and 25882 transitions. [2023-11-12 00:09:50,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:09:50,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 110 [2023-11-12 00:09:50,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:50,821 INFO L225 Difference]: With dead ends: 17922 [2023-11-12 00:09:50,822 INFO L226 Difference]: Without dead ends: 8866 [2023-11-12 00:09:50,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:09:50,875 INFO L413 NwaCegarLoop]: 1874 mSDtfsCounter, 1328 mSDsluCounter, 1571 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1328 SdHoareTripleChecker+Valid, 3445 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:50,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1328 Valid, 3445 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-12 00:09:50,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8866 states. [2023-11-12 00:09:51,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8866 to 8834. [2023-11-12 00:09:51,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8834 states, 5389 states have (on average 1.3017257376136575) internal successors, (7015), 5572 states have internal predecessors, (7015), 2811 states have call successors, (2811), 639 states have call predecessors, (2811), 631 states have return successors, (2820), 2703 states have call predecessors, (2820), 2807 states have call successors, (2820) [2023-11-12 00:09:51,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8834 states to 8834 states and 12646 transitions. [2023-11-12 00:09:51,577 INFO L78 Accepts]: Start accepts. Automaton has 8834 states and 12646 transitions. Word has length 110 [2023-11-12 00:09:51,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:09:51,578 INFO L495 AbstractCegarLoop]: Abstraction has 8834 states and 12646 transitions. [2023-11-12 00:09:51,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-12 00:09:51,578 INFO L276 IsEmpty]: Start isEmpty. Operand 8834 states and 12646 transitions. [2023-11-12 00:09:51,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-12 00:09:51,587 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:09:51,587 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:09:51,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 00:09:51,588 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:09:51,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:09:51,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1342547941, now seen corresponding path program 1 times [2023-11-12 00:09:51,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:09:51,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817671777] [2023-11-12 00:09:51,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:09:51,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:09:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:09:51,823 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-12 00:09:51,824 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:09:51,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817671777] [2023-11-12 00:09:51,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817671777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:09:51,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:09:51,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:09:51,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132002396] [2023-11-12 00:09:51,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:09:51,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:09:51,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:09:51,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:09:51,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:09:51,829 INFO L87 Difference]: Start difference. First operand 8834 states and 12646 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-12 00:09:55,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:09:56,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:09:56,256 INFO L93 Difference]: Finished difference Result 23177 states and 33131 transitions. [2023-11-12 00:09:56,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:09:56,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 112 [2023-11-12 00:09:56,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:09:56,366 INFO L225 Difference]: With dead ends: 23177 [2023-11-12 00:09:56,366 INFO L226 Difference]: Without dead ends: 14360 [2023-11-12 00:09:56,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:09:56,423 INFO L413 NwaCegarLoop]: 1619 mSDtfsCounter, 1716 mSDsluCounter, 1569 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1716 SdHoareTripleChecker+Valid, 3188 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-12 00:09:56,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1716 Valid, 3188 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-12 00:09:56,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14360 states.