./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.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_1e2b78f0-6dff-42d4-993f-0883b76931e9/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b78f0-6dff-42d4-993f-0883b76931e9/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_1e2b78f0-6dff-42d4-993f-0883b76931e9/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b78f0-6dff-42d4-993f-0883b76931e9/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b78f0-6dff-42d4-993f-0883b76931e9/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_1e2b78f0-6dff-42d4-993f-0883b76931e9/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 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:11:01,102 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:11:01,234 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b78f0-6dff-42d4-993f-0883b76931e9/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:11:01,247 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:11:01,248 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:11:01,296 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:11:01,297 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:11:01,298 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:11:01,298 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:11:01,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:11:01,302 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:11:01,303 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:11:01,303 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:11:01,310 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:11:01,311 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:11:01,311 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:11:01,311 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:11:01,312 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:11:01,312 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:11:01,313 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:11:01,313 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:11:01,314 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:11:01,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:11:01,315 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:11:01,316 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:11:01,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:11:01,317 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:11:01,317 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:11:01,317 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:11:01,318 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:11:01,319 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:11:01,319 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:11:01,320 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:11:01,320 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:11:01,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:01,321 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:11:01,321 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:11:01,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:11:01,322 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:11:01,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:11:01,322 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:11:01,323 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:11:01,323 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:11:01,323 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:11:01,324 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_1e2b78f0-6dff-42d4-993f-0883b76931e9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b78f0-6dff-42d4-993f-0883b76931e9/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 [2023-11-23 21:11:01,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:11:01,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:11:01,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:11:01,655 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:11:01,655 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:11:01,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b78f0-6dff-42d4-993f-0883b76931e9/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2023-11-23 21:11:04,761 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:11:05,414 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:11:05,419 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b78f0-6dff-42d4-993f-0883b76931e9/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2023-11-23 21:11:05,467 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b78f0-6dff-42d4-993f-0883b76931e9/bin/utaipan-verify-mE87zJ7Ire/data/57d982a56/7d5b807c08a149c5be6590d1a1ed4606/FLAG34e5e55f7 [2023-11-23 21:11:05,485 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b78f0-6dff-42d4-993f-0883b76931e9/bin/utaipan-verify-mE87zJ7Ire/data/57d982a56/7d5b807c08a149c5be6590d1a1ed4606 [2023-11-23 21:11:05,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:11:05,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:11:05,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:05,495 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:11:05,501 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:11:05,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:05" (1/1) ... [2023-11-23 21:11:05,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@514c9ec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:05, skipping insertion in model container [2023-11-23 21:11:05,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:05" (1/1) ... [2023-11-23 21:11:05,648 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:11:06,231 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2023-11-23 21:11:06,232 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2023-11-23 21:11:06,232 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2023-11-23 21:11:06,232 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2023-11-23 21:11:06,233 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2023-11-23 21:11:06,235 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2023-11-23 21:11:06,239 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2023-11-23 21:11:06,239 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2023-11-23 21:11:06,240 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2023-11-23 21:11:06,240 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2023-11-23 21:11:06,240 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2023-11-23 21:11:06,241 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2023-11-23 21:11:06,671 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_1e2b78f0-6dff-42d4-993f-0883b76931e9/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i[105316,105329] [2023-11-23 21:11:08,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:08,190 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:11:08,297 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2023-11-23 21:11:08,298 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2023-11-23 21:11:08,298 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2023-11-23 21:11:08,299 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2023-11-23 21:11:08,299 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2023-11-23 21:11:08,299 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2023-11-23 21:11:08,300 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2023-11-23 21:11:08,301 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2023-11-23 21:11:08,301 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2023-11-23 21:11:08,302 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2023-11-23 21:11:08,302 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2023-11-23 21:11:08,302 WARN L1274 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2023-11-23 21:11:08,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3493] [2023-11-23 21:11:08,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3496] [2023-11-23 21:11:08,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3499] [2023-11-23 21:11:08,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3502] [2023-11-23 21:11:08,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "+rm" (dividend)); [3523] [2023-11-23 21:11:08,311 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)); [3553] [2023-11-23 21:11:08,320 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_1e2b78f0-6dff-42d4-993f-0883b76931e9/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i[105316,105329] [2023-11-23 21:11:08,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [3848] [2023-11-23 21:11:08,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [3856] [2023-11-23 21:11:08,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [3864] [2023-11-23 21:11:08,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [3871] [2023-11-23 21:11:08,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [3878] [2023-11-23 21:11:08,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movq %1,%0": "=r" (ret): "m" (*((unsigned long volatile *)addr)): "memory"); [3886] [2023-11-23 21:11:08,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movq %0,%1": : "r" (val), "m" (*((unsigned long volatile *)addr)): "memory"); [3893] [2023-11-23 21:11:08,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [3910] [2023-11-23 21:11:08,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [3918] [2023-11-23 21:11:08,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [3925] [2023-11-23 21:11:08,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [3933] [2023-11-23 21:11:08,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [3940] [2023-11-23 21:11:08,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [3948] [2023-11-23 21:11:08,642 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)e->link.next) [6572] [2023-11-23 21:11:08,671 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)e->link.next) [6885] [2023-11-23 21:11:08,672 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)e->link.next) [6910] [2023-11-23 21:11:08,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:08,959 WARN L675 CHandler]: The function strcat is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:08,959 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:08,960 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:11:08,968 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:11:08,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08 WrapperNode [2023-11-23 21:11:08,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:08,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:08,970 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:11:08,970 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:11:08,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (1/1) ... [2023-11-23 21:11:09,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (1/1) ... [2023-11-23 21:11:09,428 INFO L138 Inliner]: procedures = 348, calls = 3494, calls flagged for inlining = 150, calls inlined = 150, statements flattened = 7478 [2023-11-23 21:11:09,429 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:09,429 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:11:09,429 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:11:09,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:11:09,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (1/1) ... [2023-11-23 21:11:09,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (1/1) ... [2023-11-23 21:11:09,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (1/1) ... [2023-11-23 21:11:09,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (1/1) ... [2023-11-23 21:11:09,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (1/1) ... [2023-11-23 21:11:09,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (1/1) ... [2023-11-23 21:11:09,858 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (1/1) ... [2023-11-23 21:11:09,895 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (1/1) ... [2023-11-23 21:11:09,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:11:09,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:11:09,952 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:11:09,952 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:11:09,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (1/1) ... [2023-11-23 21:11:09,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:09,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b78f0-6dff-42d4-993f-0883b76931e9/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:09,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b78f0-6dff-42d4-993f-0883b76931e9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:11:10,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2b78f0-6dff-42d4-993f-0883b76931e9/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:11:10,034 INFO L130 BoogieDeclarations]: Found specification of procedure smic_size [2023-11-23 21:11:10,035 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_size [2023-11-23 21:11:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-23 21:11:10,035 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-23 21:11:10,035 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2023-11-23 21:11:10,036 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2023-11-23 21:11:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2023-11-23 21:11:10,036 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2023-11-23 21:11:10,036 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-11-23 21:11:10,036 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-11-23 21:11:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:11:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2023-11-23 21:11:10,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2023-11-23 21:11:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:11:10,037 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2023-11-23 21:11:10,038 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2023-11-23 21:11:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure enable_si_irq [2023-11-23 21:11:10,038 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_si_irq [2023-11-23 21:11:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:11:10,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:11:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_msg_done [2023-11-23 21:11:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_msg_done [2023-11-23 21:11:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure start_enable_irq [2023-11-23 21:11:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure start_enable_irq [2023-11-23 21:11:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-23 21:11:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-23 21:11:10,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_30 [2023-11-23 21:11:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_30 [2023-11-23 21:11:10,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:11:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:11:10,040 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2023-11-23 21:11:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2023-11-23 21:11:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure smic_cleanup [2023-11-23 21:11:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_cleanup [2023-11-23 21:11:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2023-11-23 21:11:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2023-11-23 21:11:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2023-11-23 21:11:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2023-11-23 21:11:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2023-11-23 21:11:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2023-11-23 21:11:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2023-11-23 21:11:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2023-11-23 21:11:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure bt_size [2023-11-23 21:11:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_size [2023-11-23 21:11:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure bt_init_data [2023-11-23 21:11:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_init_data [2023-11-23 21:11:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_resume [2023-11-23 21:11:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_resume [2023-11-23 21:11:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure smic_detect [2023-11-23 21:11:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_detect [2023-11-23 21:11:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:11:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:11:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:11:10,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:11:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure request_events [2023-11-23 21:11:10,045 INFO L138 BoogieDeclarations]: Found implementation of procedure request_events [2023-11-23 21:11:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2023-11-23 21:11:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2023-11-23 21:11:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 21:11:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 21:11:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:11:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:11:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2023-11-23 21:11:10,047 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2023-11-23 21:11:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure check_hotmod_int_op [2023-11-23 21:11:10,047 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hotmod_int_op [2023-11-23 21:11:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure parse_str [2023-11-23 21:11:10,047 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_str [2023-11-23 21:11:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:11:10,048 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:11:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_detect [2023-11-23 21:11:10,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_detect [2023-11-23 21:11:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_size [2023-11-23 21:11:10,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_size [2023-11-23 21:11:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2023-11-23 21:11:10,049 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2023-11-23 21:11:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure error_recovery [2023-11-23 21:11:10,049 INFO L138 BoogieDeclarations]: Found implementation of procedure error_recovery [2023-11-23 21:11:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_status [2023-11-23 21:11:10,050 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_status [2023-11-23 21:11:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure disable_si_irq [2023-11-23 21:11:10,050 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_si_irq [2023-11-23 21:11:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery [2023-11-23 21:11:10,050 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery [2023-11-23 21:11:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2023-11-23 21:11:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2023-11-23 21:11:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte [2023-11-23 21:11:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte [2023-11-23 21:11:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure start_smic_transaction [2023-11-23 21:11:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure start_smic_transaction [2023-11-23 21:11:10,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2023-11-23 21:11:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2023-11-23 21:11:10,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:11:10,052 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:11:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:11:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure state2txt [2023-11-23 21:11:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure state2txt [2023-11-23 21:11:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:11:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_smi [2023-11-23 21:11:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_smi [2023-11-23 21:11:10,054 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-23 21:11:10,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-23 21:11:10,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_38 [2023-11-23 21:11:10,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_38 [2023-11-23 21:11:10,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:11:10,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:11:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2023-11-23 21:11:10,055 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2023-11-23 21:11:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:11:10,055 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:11:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-11-23 21:11:10,056 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-11-23 21:11:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-23 21:11:10,056 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-23 21:11:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:11:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:11:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2023-11-23 21:11:10,057 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2023-11-23 21:11:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:11:10,057 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:11:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure start_next_msg [2023-11-23 21:11:10,058 INFO L138 BoogieDeclarations]: Found implementation of procedure start_next_msg [2023-11-23 21:11:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure init_smic_data [2023-11-23 21:11:10,058 INFO L138 BoogieDeclarations]: Found implementation of procedure init_smic_data [2023-11-23 21:11:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:11:10,058 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:11:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2023-11-23 21:11:10,059 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 21:11:10,059 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 21:11:10,059 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_cleanup [2023-11-23 21:11:10,059 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_cleanup [2023-11-23 21:11:10,059 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 21:11:10,059 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 21:11:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery___0 [2023-11-23 21:11:10,060 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery___0 [2023-11-23 21:11:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2023-11-23 21:11:10,060 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2023-11-23 21:11:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd [2023-11-23 21:11:10,060 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd [2023-11-23 21:11:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:11:10,061 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:11:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure bt_get_result [2023-11-23 21:11:10,061 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_get_result [2023-11-23 21:11:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2023-11-23 21:11:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2023-11-23 21:11:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure smic_get_result [2023-11-23 21:11:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_get_result [2023-11-23 21:11:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2023-11-23 21:11:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2023-11-23 21:11:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:11:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:11:10,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:11:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure check_obf [2023-11-23 21:11:10,063 INFO L138 BoogieDeclarations]: Found implementation of procedure check_obf [2023-11-23 21:11:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_add_proc_entry [2023-11-23 21:11:10,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_add_proc_entry [2023-11-23 21:11:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2023-11-23 21:11:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2023-11-23 21:11:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-23 21:11:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-23 21:11:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-23 21:11:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-23 21:11:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2023-11-23 21:11:10,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2023-11-23 21:11:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 21:11:10,065 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 21:11:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:11:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2023-11-23 21:11:10,066 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2023-11-23 21:11:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-23 21:11:10,066 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-23 21:11:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2023-11-23 21:11:10,066 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2023-11-23 21:11:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure get_kcs_result [2023-11-23 21:11:10,067 INFO L138 BoogieDeclarations]: Found implementation of procedure get_kcs_result [2023-11-23 21:11:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:11:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_probe [2023-11-23 21:11:10,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_probe [2023-11-23 21:11:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_timer_and_thread [2023-11-23 21:11:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_timer_and_thread [2023-11-23 21:11:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-23 21:11:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-23 21:11:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure bt_detect [2023-11-23 21:11:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_detect [2023-11-23 21:11:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2023-11-23 21:11:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2023-11-23 21:11:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:11:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:11:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2023-11-23 21:11:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2023-11-23 21:11:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2023-11-23 21:11:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2023-11-23 21:11:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2023-11-23 21:11:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2023-11-23 21:11:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure try_smi_init [2023-11-23 21:11:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure try_smi_init [2023-11-23 21:11:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure add_smi [2023-11-23 21:11:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure add_smi [2023-11-23 21:11:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure force_result [2023-11-23 21:11:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure force_result [2023-11-23 21:11:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-23 21:11:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-23 21:11:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:11:10,072 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:11:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_recv_msg [2023-11-23 21:11:10,072 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_recv_msg [2023-11-23 21:11:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure status2txt [2023-11-23 21:11:10,072 INFO L138 BoogieDeclarations]: Found implementation of procedure status2txt [2023-11-23 21:11:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2023-11-23 21:11:10,073 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2023-11-23 21:11:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 21:11:10,073 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 21:11:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:11:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure bt_start_transaction [2023-11-23 21:11:10,073 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_start_transaction [2023-11-23 21:11:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure start_kcs_transaction [2023-11-23 21:11:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure start_kcs_transaction [2023-11-23 21:11:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:11:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:11:10,075 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2023-11-23 21:11:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2023-11-23 21:11:10,075 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2023-11-23 21:11:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2023-11-23 21:11:10,075 INFO L130 BoogieDeclarations]: Found specification of procedure start_clear_flags [2023-11-23 21:11:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure start_clear_flags [2023-11-23 21:11:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2023-11-23 21:11:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2023-11-23 21:11:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:11:10,084 INFO L130 BoogieDeclarations]: Found specification of procedure bt_cleanup [2023-11-23 21:11:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_cleanup [2023-11-23 21:11:10,085 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2023-11-23 21:11:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2023-11-23 21:11:10,085 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2023-11-23 21:11:10,086 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2023-11-23 21:11:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:11:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-23 21:11:10,086 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-23 21:11:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte [2023-11-23 21:11:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte [2023-11-23 21:11:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2023-11-23 21:11:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2023-11-23 21:11:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:11:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:11:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_si_set_not_busy [2023-11-23 21:11:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_si_set_not_busy [2023-11-23 21:11:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:11:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:11:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-23 21:11:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-23 21:11:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:11:10,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:11:10,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2023-11-23 21:11:10,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2023-11-23 21:11:10,089 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_flags [2023-11-23 21:11:10,089 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_flags [2023-11-23 21:11:10,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:11:10,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:11:10,090 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2023-11-23 21:11:10,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2023-11-23 21:11:10,090 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_control [2023-11-23 21:11:10,090 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_control [2023-11-23 21:11:10,090 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 21:11:10,091 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 21:11:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure return_hosed_msg [2023-11-23 21:11:10,091 INFO L138 BoogieDeclarations]: Found implementation of procedure return_hosed_msg [2023-11-23 21:11:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2023-11-23 21:11:10,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2023-11-23 21:11:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_probe [2023-11-23 21:11:10,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_probe [2023-11-23 21:11:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte___0 [2023-11-23 21:11:10,092 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte___0 [2023-11-23 21:11:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure read_all_bytes [2023-11-23 21:11:10,092 INFO L138 BoogieDeclarations]: Found implementation of procedure read_all_bytes [2023-11-23 21:11:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure init_kcs_data [2023-11-23 21:11:10,093 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kcs_data [2023-11-23 21:11:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure si_irq_handler [2023-11-23 21:11:10,093 INFO L138 BoogieDeclarations]: Found implementation of procedure si_irq_handler [2023-11-23 21:11:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:11:10,093 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:11:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2023-11-23 21:11:10,094 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2023-11-23 21:11:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-23 21:11:10,094 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-23 21:11:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:11:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-23 21:11:10,094 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-23 21:11:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-23 21:11:10,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-23 21:11:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2023-11-23 21:11:10,095 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2023-11-23 21:11:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2023-11-23 21:11:10,095 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2023-11-23 21:11:10,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:11:10,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:11:10,096 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2023-11-23 21:11:10,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2023-11-23 21:11:10,096 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:11:10,096 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:11:11,164 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:11:11,174 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:11:12,187 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:11:20,088 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:11:24,488 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:11:24,489 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:11:24,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:24 BoogieIcfgContainer [2023-11-23 21:11:24,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:11:24,494 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:11:24,494 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:11:24,497 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:11:24,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:11:05" (1/3) ... [2023-11-23 21:11:24,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e253ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:24, skipping insertion in model container [2023-11-23 21:11:24,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:08" (2/3) ... [2023-11-23 21:11:24,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e253ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:24, skipping insertion in model container [2023-11-23 21:11:24,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:24" (3/3) ... [2023-11-23 21:11:24,500 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2023-11-23 21:11:24,520 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:11:24,521 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:11:24,647 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:11:24,655 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;@71cb9d93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:11:24,656 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:11:24,673 INFO L276 IsEmpty]: Start isEmpty. Operand has 2393 states, 1530 states have (on average 1.4013071895424836) internal successors, (2144), 1617 states have internal predecessors, (2144), 722 states have call successors, (722), 140 states have call predecessors, (722), 139 states have return successors, (707), 673 states have call predecessors, (707), 707 states have call successors, (707) [2023-11-23 21:11:24,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 21:11:24,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:24,694 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:11:24,694 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:24,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:24,700 INFO L85 PathProgramCache]: Analyzing trace with hash 221008401, now seen corresponding path program 1 times [2023-11-23 21:11:24,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:11:24,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595138177] [2023-11-23 21:11:24,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:24,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:11:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:11:25,946 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-23 21:11:25,947 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:11:25,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595138177] [2023-11-23 21:11:25,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595138177] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:11:25,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:11:25,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:11:25,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268228346] [2023-11-23 21:11:25,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:11:25,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:11:25,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:11:26,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:11:26,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:11:26,016 INFO L87 Difference]: Start difference. First operand has 2393 states, 1530 states have (on average 1.4013071895424836) internal successors, (2144), 1617 states have internal predecessors, (2144), 722 states have call successors, (722), 140 states have call predecessors, (722), 139 states have return successors, (707), 673 states have call predecessors, (707), 707 states have call successors, (707) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-23 21:11:36,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:44,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:47,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:11:49,847 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 []