./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1374a141-1488-461c-8e79-3d5094590b31/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1374a141-1488-461c-8e79-3d5094590b31/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1374a141-1488-461c-8e79-3d5094590b31/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1374a141-1488-461c-8e79-3d5094590b31/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1374a141-1488-461c-8e79-3d5094590b31/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1374a141-1488-461c-8e79-3d5094590b31/bin/utaipan-verify-mE87zJ7Ire --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 167bd9702b13f23ed6d1cf3975d4b3916f53c35f4575784f3af7225c12319bc4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:24:12,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:24:12,424 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1374a141-1488-461c-8e79-3d5094590b31/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:24:12,430 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:24:12,431 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:24:12,457 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:24:12,457 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:24:12,458 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:24:12,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:24:12,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:24:12,460 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:24:12,461 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:24:12,462 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:24:12,462 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:24:12,463 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:24:12,463 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:24:12,464 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:24:12,465 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:24:12,465 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:24:12,466 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:24:12,466 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:24:12,467 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:24:12,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:24:12,471 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:24:12,471 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:24:12,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:24:12,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:24:12,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:24:12,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:24:12,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:24:12,476 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:24:12,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:24:12,478 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:24:12,478 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:24:12,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:24:12,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:24:12,479 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:24:12,479 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:24:12,480 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:24:12,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:24:12,480 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:24:12,481 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:24:12,481 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:24:12,481 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:24:12,482 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_1374a141-1488-461c-8e79-3d5094590b31/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1374a141-1488-461c-8e79-3d5094590b31/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 167bd9702b13f23ed6d1cf3975d4b3916f53c35f4575784f3af7225c12319bc4 [2023-11-23 21:24:12,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:24:12,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:24:12,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:24:12,844 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:24:12,844 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:24:12,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1374a141-1488-461c-8e79-3d5094590b31/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-11-23 21:24:15,871 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:24:16,578 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:24:16,578 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1374a141-1488-461c-8e79-3d5094590b31/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-11-23 21:24:16,633 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1374a141-1488-461c-8e79-3d5094590b31/bin/utaipan-verify-mE87zJ7Ire/data/a8fca63c9/dfbb9c226b584533aaa31fea586fe854/FLAG47ff91bc2 [2023-11-23 21:24:16,652 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1374a141-1488-461c-8e79-3d5094590b31/bin/utaipan-verify-mE87zJ7Ire/data/a8fca63c9/dfbb9c226b584533aaa31fea586fe854 [2023-11-23 21:24:16,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:24:16,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:24:16,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:16,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:24:16,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:24:16,673 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:16" (1/1) ... [2023-11-23 21:24:16,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22d4978b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:16, skipping insertion in model container [2023-11-23 21:24:16,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:24:16" (1/1) ... [2023-11-23 21:24:16,873 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:24:19,982 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_1374a141-1488-461c-8e79-3d5094590b31/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i[270369,270382] [2023-11-23 21:24:20,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:20,085 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:24:20,194 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3474] [2023-11-23 21:24:20,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3477] [2023-11-23 21:24:20,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3480] [2023-11-23 21:24:20,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3483] [2023-11-23 21:24:20,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "+rm" (dividend)); [3504] [2023-11-23 21:24:20,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; incl %0": "+m" (v->counter)); [3534] [2023-11-23 21:24:20,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [3835] [2023-11-23 21:24:20,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [3843] [2023-11-23 21:24:20,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [3851] [2023-11-23 21:24:20,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [3858] [2023-11-23 21:24:20,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [3865] [2023-11-23 21:24:20,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movq %1,%0": "=r" (ret): "m" (*((unsigned long volatile *)addr)): "memory"); [3873] [2023-11-23 21:24:20,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movq %0,%1": : "r" (val), "m" (*((unsigned long volatile *)addr)): "memory"); [3880] [2023-11-23 21:24:20,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [3897] [2023-11-23 21:24:20,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [3905] [2023-11-23 21:24:20,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [3912] [2023-11-23 21:24:20,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [3920] [2023-11-23 21:24:20,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [3927] [2023-11-23 21:24:20,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [3935] [2023-11-23 21:24:20,519 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)e->link.next) [6563] [2023-11-23 21:24:20,548 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)e->link.next) [6876] [2023-11-23 21:24:20,550 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)e->link.next) [6901] [2023-11-23 21:24:20,694 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_1374a141-1488-461c-8e79-3d5094590b31/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i[270369,270382] [2023-11-23 21:24:20,703 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:24:20,835 WARN L675 CHandler]: The function strcat is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:24:20,835 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:24:20,835 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:24:20,844 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:24:20,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:20 WrapperNode [2023-11-23 21:24:20,845 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:24:20,846 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:20,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:24:20,847 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:24:20,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:20" (1/1) ... [2023-11-23 21:24:20,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:20" (1/1) ... [2023-11-23 21:24:21,208 INFO L138 Inliner]: procedures = 355, calls = 3561, calls flagged for inlining = 155, calls inlined = 155, statements flattened = 7619 [2023-11-23 21:24:21,209 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:24:21,210 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:24:21,210 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:24:21,210 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:24:21,221 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:20" (1/1) ... [2023-11-23 21:24:21,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:20" (1/1) ... [2023-11-23 21:24:21,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:20" (1/1) ... [2023-11-23 21:24:21,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:20" (1/1) ... [2023-11-23 21:24:21,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:20" (1/1) ... [2023-11-23 21:24:21,555 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:20" (1/1) ... [2023-11-23 21:24:21,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:20" (1/1) ... [2023-11-23 21:24:21,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:20" (1/1) ... [2023-11-23 21:24:21,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:24:21,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:24:21,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:24:21,767 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:24:21,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:20" (1/1) ... [2023-11-23 21:24:21,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:24:21,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1374a141-1488-461c-8e79-3d5094590b31/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:24:21,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1374a141-1488-461c-8e79-3d5094590b31/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:24:21,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1374a141-1488-461c-8e79-3d5094590b31/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:24:21,840 INFO L130 BoogieDeclarations]: Found specification of procedure smic_size [2023-11-23 21:24:21,840 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_size [2023-11-23 21:24:21,840 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-23 21:24:21,840 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-23 21:24:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2023-11-23 21:24:21,841 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2023-11-23 21:24:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2023-11-23 21:24:21,841 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2023-11-23 21:24:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_8 [2023-11-23 21:24:21,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_8 [2023-11-23 21:24:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-11-23 21:24:21,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-11-23 21:24:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:24:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2023-11-23 21:24:21,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2023-11-23 21:24:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:24:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2023-11-23 21:24:21,843 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2023-11-23 21:24:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure enable_si_irq [2023-11-23 21:24:21,843 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_si_irq [2023-11-23 21:24:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:24:21,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:24:21,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:24:21,844 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:24:21,844 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_msg_done [2023-11-23 21:24:21,844 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_msg_done [2023-11-23 21:24:21,844 INFO L130 BoogieDeclarations]: Found specification of procedure start_enable_irq [2023-11-23 21:24:21,845 INFO L138 BoogieDeclarations]: Found implementation of procedure start_enable_irq [2023-11-23 21:24:21,845 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-23 21:24:21,845 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-23 21:24:21,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_30 [2023-11-23 21:24:21,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_30 [2023-11-23 21:24:21,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:24:21,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:24:21,846 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2023-11-23 21:24:21,846 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2023-11-23 21:24:21,846 INFO L130 BoogieDeclarations]: Found specification of procedure smic_cleanup [2023-11-23 21:24:21,846 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_cleanup [2023-11-23 21:24:21,846 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2023-11-23 21:24:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2023-11-23 21:24:21,847 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2023-11-23 21:24:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2023-11-23 21:24:21,847 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2023-11-23 21:24:21,847 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2023-11-23 21:24:21,847 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2023-11-23 21:24:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2023-11-23 21:24:21,848 INFO L130 BoogieDeclarations]: Found specification of procedure bt_size [2023-11-23 21:24:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_size [2023-11-23 21:24:21,848 INFO L130 BoogieDeclarations]: Found specification of procedure bt_init_data [2023-11-23 21:24:21,848 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_init_data [2023-11-23 21:24:21,849 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_resume [2023-11-23 21:24:21,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_resume [2023-11-23 21:24:21,849 INFO L130 BoogieDeclarations]: Found specification of procedure smic_detect [2023-11-23 21:24:21,849 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_detect [2023-11-23 21:24:21,849 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:24:21,849 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:24:21,850 INFO L130 BoogieDeclarations]: Found specification of procedure request_events [2023-11-23 21:24:21,850 INFO L138 BoogieDeclarations]: Found implementation of procedure request_events [2023-11-23 21:24:21,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2023-11-23 21:24:21,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2023-11-23 21:24:21,850 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 21:24:21,850 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 21:24:21,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:24:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:24:21,851 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2023-11-23 21:24:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2023-11-23 21:24:21,851 INFO L130 BoogieDeclarations]: Found specification of procedure check_hotmod_int_op [2023-11-23 21:24:21,851 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hotmod_int_op [2023-11-23 21:24:21,852 INFO L130 BoogieDeclarations]: Found specification of procedure parse_str [2023-11-23 21:24:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_str [2023-11-23 21:24:21,852 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:24:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:24:21,852 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_detect [2023-11-23 21:24:21,852 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_detect [2023-11-23 21:24:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_size [2023-11-23 21:24:21,853 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_size [2023-11-23 21:24:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2023-11-23 21:24:21,853 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2023-11-23 21:24:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure error_recovery [2023-11-23 21:24:21,853 INFO L138 BoogieDeclarations]: Found implementation of procedure error_recovery [2023-11-23 21:24:21,854 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_status [2023-11-23 21:24:21,854 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_status [2023-11-23 21:24:21,854 INFO L130 BoogieDeclarations]: Found specification of procedure disable_si_irq [2023-11-23 21:24:21,854 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_si_irq [2023-11-23 21:24:21,854 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery [2023-11-23 21:24:21,854 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery [2023-11-23 21:24:21,855 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2023-11-23 21:24:21,855 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2023-11-23 21:24:21,855 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte [2023-11-23 21:24:21,855 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte [2023-11-23 21:24:21,855 INFO L130 BoogieDeclarations]: Found specification of procedure start_smic_transaction [2023-11-23 21:24:21,855 INFO L138 BoogieDeclarations]: Found implementation of procedure start_smic_transaction [2023-11-23 21:24:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2023-11-23 21:24:21,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2023-11-23 21:24:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:24:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:24:21,856 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:24:21,856 INFO L130 BoogieDeclarations]: Found specification of procedure state2txt [2023-11-23 21:24:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure state2txt [2023-11-23 21:24:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:24:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_smi [2023-11-23 21:24:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_smi [2023-11-23 21:24:21,857 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-23 21:24:21,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-23 21:24:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_38 [2023-11-23 21:24:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_38 [2023-11-23 21:24:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:24:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:24:21,858 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2023-11-23 21:24:21,858 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2023-11-23 21:24:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:24:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:24:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-11-23 21:24:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-11-23 21:24:21,859 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-23 21:24:21,859 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-23 21:24:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:24:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:24:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2023-11-23 21:24:21,860 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2023-11-23 21:24:21,860 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:24:21,860 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:24:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure start_next_msg [2023-11-23 21:24:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure start_next_msg [2023-11-23 21:24:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure init_smic_data [2023-11-23 21:24:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure init_smic_data [2023-11-23 21:24:21,861 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:24:21,861 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:24:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2023-11-23 21:24:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 21:24:21,862 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 21:24:21,862 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_cleanup [2023-11-23 21:24:21,863 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_cleanup [2023-11-23 21:24:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 21:24:21,863 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 21:24:21,863 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery___0 [2023-11-23 21:24:21,863 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery___0 [2023-11-23 21:24:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2023-11-23 21:24:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2023-11-23 21:24:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd [2023-11-23 21:24:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd [2023-11-23 21:24:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:24:21,864 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:24:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure bt_get_result [2023-11-23 21:24:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_get_result [2023-11-23 21:24:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2023-11-23 21:24:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2023-11-23 21:24:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure smic_get_result [2023-11-23 21:24:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_get_result [2023-11-23 21:24:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2023-11-23 21:24:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2023-11-23 21:24:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:24:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure check_obf [2023-11-23 21:24:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure check_obf [2023-11-23 21:24:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_add_proc_entry [2023-11-23 21:24:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_add_proc_entry [2023-11-23 21:24:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2023-11-23 21:24:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2023-11-23 21:24:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-23 21:24:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-23 21:24:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-23 21:24:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-23 21:24:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2023-11-23 21:24:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2023-11-23 21:24:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 21:24:21,868 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 21:24:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:24:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2023-11-23 21:24:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2023-11-23 21:24:21,869 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 21:24:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 21:24:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2023-11-23 21:24:21,870 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2023-11-23 21:24:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure get_kcs_result [2023-11-23 21:24:21,870 INFO L138 BoogieDeclarations]: Found implementation of procedure get_kcs_result [2023-11-23 21:24:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:24:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_probe [2023-11-23 21:24:21,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_probe [2023-11-23 21:24:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_timer_and_thread [2023-11-23 21:24:21,871 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_timer_and_thread [2023-11-23 21:24:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-23 21:24:21,871 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-23 21:24:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure bt_detect [2023-11-23 21:24:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_detect [2023-11-23 21:24:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2023-11-23 21:24:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2023-11-23 21:24:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:24:21,872 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:24:21,872 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2023-11-23 21:24:21,873 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2023-11-23 21:24:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2023-11-23 21:24:21,873 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2023-11-23 21:24:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2023-11-23 21:24:21,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2023-11-23 21:24:21,873 INFO L130 BoogieDeclarations]: Found specification of procedure try_smi_init [2023-11-23 21:24:21,874 INFO L138 BoogieDeclarations]: Found implementation of procedure try_smi_init [2023-11-23 21:24:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure add_smi [2023-11-23 21:24:21,874 INFO L138 BoogieDeclarations]: Found implementation of procedure add_smi [2023-11-23 21:24:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure force_result [2023-11-23 21:24:21,874 INFO L138 BoogieDeclarations]: Found implementation of procedure force_result [2023-11-23 21:24:21,874 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-23 21:24:21,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-23 21:24:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:24:21,875 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:24:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_recv_msg [2023-11-23 21:24:21,875 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_recv_msg [2023-11-23 21:24:21,875 INFO L130 BoogieDeclarations]: Found specification of procedure status2txt [2023-11-23 21:24:21,875 INFO L138 BoogieDeclarations]: Found implementation of procedure status2txt [2023-11-23 21:24:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2023-11-23 21:24:21,876 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2023-11-23 21:24:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 21:24:21,876 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 21:24:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:24:21,876 INFO L130 BoogieDeclarations]: Found specification of procedure bt_start_transaction [2023-11-23 21:24:21,877 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_start_transaction [2023-11-23 21:24:21,877 INFO L130 BoogieDeclarations]: Found specification of procedure start_kcs_transaction [2023-11-23 21:24:21,877 INFO L138 BoogieDeclarations]: Found implementation of procedure start_kcs_transaction [2023-11-23 21:24:21,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:24:21,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:24:21,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:24:21,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:24:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2023-11-23 21:24:21,878 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2023-11-23 21:24:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2023-11-23 21:24:21,878 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2023-11-23 21:24:21,878 INFO L130 BoogieDeclarations]: Found specification of procedure start_clear_flags [2023-11-23 21:24:21,879 INFO L138 BoogieDeclarations]: Found implementation of procedure start_clear_flags [2023-11-23 21:24:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2023-11-23 21:24:21,879 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2023-11-23 21:24:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:24:21,879 INFO L130 BoogieDeclarations]: Found specification of procedure bt_cleanup [2023-11-23 21:24:21,879 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_cleanup [2023-11-23 21:24:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2023-11-23 21:24:21,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2023-11-23 21:24:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:24:21,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:24:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2023-11-23 21:24:21,880 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2023-11-23 21:24:21,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:24:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-23 21:24:21,881 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-23 21:24:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte [2023-11-23 21:24:21,881 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte [2023-11-23 21:24:21,881 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2023-11-23 21:24:21,881 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2023-11-23 21:24:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:24:21,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:24:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_si_set_not_busy [2023-11-23 21:24:21,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_si_set_not_busy [2023-11-23 21:24:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:24:21,882 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:24:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-23 21:24:21,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-23 21:24:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:24:21,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:24:21,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2023-11-23 21:24:21,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2023-11-23 21:24:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_flags [2023-11-23 21:24:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_flags [2023-11-23 21:24:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:24:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:24:21,884 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2023-11-23 21:24:21,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2023-11-23 21:24:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_8 [2023-11-23 21:24:21,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_8 [2023-11-23 21:24:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_control [2023-11-23 21:24:21,885 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_control [2023-11-23 21:24:21,885 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 21:24:21,885 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 21:24:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure return_hosed_msg [2023-11-23 21:24:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure return_hosed_msg [2023-11-23 21:24:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2023-11-23 21:24:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2023-11-23 21:24:21,886 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_probe [2023-11-23 21:24:21,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_probe [2023-11-23 21:24:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte___0 [2023-11-23 21:24:21,887 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte___0 [2023-11-23 21:24:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure read_all_bytes [2023-11-23 21:24:21,887 INFO L138 BoogieDeclarations]: Found implementation of procedure read_all_bytes [2023-11-23 21:24:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure init_kcs_data [2023-11-23 21:24:21,887 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kcs_data [2023-11-23 21:24:21,887 INFO L130 BoogieDeclarations]: Found specification of procedure si_irq_handler [2023-11-23 21:24:21,888 INFO L138 BoogieDeclarations]: Found implementation of procedure si_irq_handler [2023-11-23 21:24:21,888 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:24:21,888 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:24:21,888 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2023-11-23 21:24:21,888 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2023-11-23 21:24:21,888 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-23 21:24:21,889 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-23 21:24:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:24:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-23 21:24:21,889 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-23 21:24:21,889 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-23 21:24:21,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-23 21:24:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2023-11-23 21:24:21,890 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2023-11-23 21:24:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2023-11-23 21:24:21,890 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2023-11-23 21:24:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:24:21,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:24:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2023-11-23 21:24:21,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2023-11-23 21:24:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:24:21,891 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:24:22,994 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:24:23,010 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:24:24,036 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:24:31,449 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:24:35,578 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:24:35,578 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:24:35,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:35 BoogieIcfgContainer [2023-11-23 21:24:35,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:24:35,586 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:24:35,586 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:24:35,590 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:24:35,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:24:16" (1/3) ... [2023-11-23 21:24:35,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542abf0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:35, skipping insertion in model container [2023-11-23 21:24:35,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:24:20" (2/3) ... [2023-11-23 21:24:35,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@542abf0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:24:35, skipping insertion in model container [2023-11-23 21:24:35,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:24:35" (3/3) ... [2023-11-23 21:24:35,598 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point_ldv-val-v0.8.cil.out.i [2023-11-23 21:24:35,624 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:24:35,624 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:24:35,774 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:24:35,784 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;@6ac9f569, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:24:35,784 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:24:35,802 INFO L276 IsEmpty]: Start isEmpty. Operand has 2460 states, 1572 states have (on average 1.3988549618320612) internal successors, (2199), 1656 states have internal predecessors, (2199), 744 states have call successors, (744), 143 states have call predecessors, (744), 142 states have return successors, (729), 695 states have call predecessors, (729), 729 states have call successors, (729) [2023-11-23 21:24:35,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-11-23 21:24:35,845 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:35,847 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:24:35,848 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_spin_lock_checkErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:35,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:35,858 INFO L85 PathProgramCache]: Analyzing trace with hash 102200216, now seen corresponding path program 1 times [2023-11-23 21:24:35,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:24:35,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527092011] [2023-11-23 21:24:35,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:35,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:24:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:37,579 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2023-11-23 21:24:37,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:24:37,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527092011] [2023-11-23 21:24:37,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527092011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:37,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:24:37,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:24:37,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162735265] [2023-11-23 21:24:37,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:37,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:24:37,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:24:37,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:24:37,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:24:37,627 INFO L87 Difference]: Start difference. First operand has 2460 states, 1572 states have (on average 1.3988549618320612) internal successors, (2199), 1656 states have internal predecessors, (2199), 744 states have call successors, (744), 143 states have call predecessors, (744), 142 states have return successors, (729), 695 states have call predecessors, (729), 729 states have call successors, (729) Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-23 21:24:53,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:55,827 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 []