./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 e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df921c8f-42f1-436b-94d9-461012b8094c/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df921c8f-42f1-436b-94d9-461012b8094c/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df921c8f-42f1-436b-94d9-461012b8094c/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df921c8f-42f1-436b-94d9-461012b8094c/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.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_df921c8f-42f1-436b-94d9-461012b8094c/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df921c8f-42f1-436b-94d9-461012b8094c/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:53:25,149 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:53:25,276 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df921c8f-42f1-436b-94d9-461012b8094c/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 21:53:25,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:53:25,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:53:25,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:53:25,328 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:53:25,329 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:53:25,330 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:53:25,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:53:25,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:53:25,337 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:53:25,337 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:53:25,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:53:25,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:53:25,340 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:53:25,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:53:25,341 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:53:25,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:53:25,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:53:25,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:53:25,343 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:53:25,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:53:25,344 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:53:25,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:53:25,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:53:25,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:53:25,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:53:25,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:53:25,347 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:53:25,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:53:25,349 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:53:25,349 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:53:25,349 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:53:25,350 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:53:25,350 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:53:25,350 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df921c8f-42f1-436b-94d9-461012b8094c/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df921c8f-42f1-436b-94d9-461012b8094c/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ecdcd8edc073d3f84552ba11829c64f005a40ec1d9c17a2301c9d20c3971656 [2023-11-06 21:53:25,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:53:25,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:53:25,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:53:25,732 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:53:25,733 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:53:25,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df921c8f-42f1-436b-94d9-461012b8094c/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2023-11-06 21:53:28,972 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:53:29,666 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:53:29,667 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df921c8f-42f1-436b-94d9-461012b8094c/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2023-11-06 21:53:29,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df921c8f-42f1-436b-94d9-461012b8094c/bin/uautomizer-verify-WvqO1wxjHP/data/138e2ec37/039aec1565234321aed55f7ab0ea88d7/FLAGdbeaa0102 [2023-11-06 21:53:29,734 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df921c8f-42f1-436b-94d9-461012b8094c/bin/uautomizer-verify-WvqO1wxjHP/data/138e2ec37/039aec1565234321aed55f7ab0ea88d7 [2023-11-06 21:53:29,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:53:29,738 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:53:29,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:29,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:53:29,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:53:29,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:29" (1/1) ... [2023-11-06 21:53:29,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d2ebc96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:29, skipping insertion in model container [2023-11-06 21:53:29,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:53:29" (1/1) ... [2023-11-06 21:53:29,963 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:53:30,573 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2023-11-06 21:53:30,574 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2023-11-06 21:53:30,574 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2023-11-06 21:53:30,575 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2023-11-06 21:53:30,575 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2023-11-06 21:53:30,576 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2023-11-06 21:53:30,578 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2023-11-06 21:53:30,579 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2023-11-06 21:53:30,579 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2023-11-06 21:53:30,580 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2023-11-06 21:53:30,580 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2023-11-06 21:53:30,581 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2023-11-06 21:53:30,992 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_df921c8f-42f1-436b-94d9-461012b8094c/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] [2023-11-06 21:53:32,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:32,938 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:53:33,036 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___0 * , struct si_sm_io * ) [3397] [2023-11-06 21:53:33,037 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3398] [2023-11-06 21:53:33,037 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___0 * , unsigned char * , unsigned int ) [3399] [2023-11-06 21:53:33,038 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___0 * , long ) [3400] [2023-11-06 21:53:33,039 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___0 * ) [3401] [2023-11-06 21:53:33,039 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___0 * ) [3402] [2023-11-06 21:53:33,040 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name init_data at C: (*init_data)(struct si_sm_data___1 * , struct si_sm_io * ) [3433] [2023-11-06 21:53:33,040 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name start_transaction at C: (*start_transaction)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3434] [2023-11-06 21:53:33,041 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name get_result at C: (*get_result)(struct si_sm_data___1 * , unsigned char * , unsigned int ) [3435] [2023-11-06 21:53:33,041 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name event at C: (*event)(struct si_sm_data___1 * , long ) [3436] [2023-11-06 21:53:33,041 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name detect at C: (*detect)(struct si_sm_data___1 * ) [3437] [2023-11-06 21:53:33,042 WARN L1270 CHandler]: Detected problem Invalid redeclaration of the name cleanup at C: (*cleanup)(struct si_sm_data___1 * ) [3438] [2023-11-06 21:53:33,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3493] [2023-11-06 21:53:33,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3496] [2023-11-06 21:53:33,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3499] [2023-11-06 21:53:33,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3502] [2023-11-06 21:53:33,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("": "+rm" (dividend)); [3523] [2023-11-06 21:53:33,049 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] [2023-11-06 21:53:33,059 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_df921c8f-42f1-436b-94d9-461012b8094c/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] [2023-11-06 21:53:33,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [3848] [2023-11-06 21:53:33,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [3856] [2023-11-06 21:53:33,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [3864] [2023-11-06 21:53:33,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [3871] [2023-11-06 21:53:33,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [3878] [2023-11-06 21:53:33,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movq %1,%0": "=r" (ret): "m" (*((unsigned long volatile *)addr)): "memory"); [3886] [2023-11-06 21:53:33,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movq %0,%1": : "r" (val), "m" (*((unsigned long volatile *)addr)): "memory"); [3893] [2023-11-06 21:53:33,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [3910] [2023-11-06 21:53:33,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [3918] [2023-11-06 21:53:33,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [3925] [2023-11-06 21:53:33,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [3933] [2023-11-06 21:53:33,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [3940] [2023-11-06 21:53:33,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [3948] [2023-11-06 21:53:33,399 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)e->link.next) [6572] [2023-11-06 21:53:33,428 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)e->link.next) [6885] [2023-11-06 21:53:33,431 WARN L75 lationResultReporter]: Unsoundness Warning: ignored call to __builtin_prefetch C: __builtin_prefetch((void const *)e->link.next) [6910] [2023-11-06 21:53:33,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:53:33,745 WARN L672 CHandler]: The function strcat is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:53:33,745 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:53:33,745 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:53:33,753 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:53:33,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:33 WrapperNode [2023-11-06 21:53:33,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:53:33,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:53:33,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:53:33,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:53:33,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:33" (1/1) ... [2023-11-06 21:53:33,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:33" (1/1) ... [2023-11-06 21:53:34,145 INFO L138 Inliner]: procedures = 348, calls = 3494, calls flagged for inlining = 150, calls inlined = 150, statements flattened = 7478 [2023-11-06 21:53:34,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:53:34,146 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:53:34,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:53:34,147 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:53:34,157 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:33" (1/1) ... [2023-11-06 21:53:34,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:33" (1/1) ... [2023-11-06 21:53:34,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:33" (1/1) ... [2023-11-06 21:53:34,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:33" (1/1) ... [2023-11-06 21:53:34,504 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:33" (1/1) ... [2023-11-06 21:53:34,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:33" (1/1) ... [2023-11-06 21:53:34,630 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:33" (1/1) ... [2023-11-06 21:53:34,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:33" (1/1) ... [2023-11-06 21:53:34,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:53:34,731 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:53:34,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:53:34,732 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:53:34,733 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:33" (1/1) ... [2023-11-06 21:53:34,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:53:34,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df921c8f-42f1-436b-94d9-461012b8094c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:53:34,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df921c8f-42f1-436b-94d9-461012b8094c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:53:34,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df921c8f-42f1-436b-94d9-461012b8094c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:53:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure smic_size [2023-11-06 21:53:34,814 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_size [2023-11-06 21:53:34,814 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-06 21:53:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-06 21:53:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2023-11-06 21:53:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2023-11-06 21:53:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure bt_event [2023-11-06 21:53:34,815 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_event [2023-11-06 21:53:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-11-06 21:53:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-11-06 21:53:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 21:53:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_msg_received [2023-11-06 21:53:34,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_msg_received [2023-11-06 21:53:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 21:53:34,816 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2023-11-06 21:53:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2023-11-06 21:53:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure enable_si_irq [2023-11-06 21:53:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_si_irq [2023-11-06 21:53:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-06 21:53:34,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-06 21:53:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_msg_done [2023-11-06 21:53:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_msg_done [2023-11-06 21:53:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure start_enable_irq [2023-11-06 21:53:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure start_enable_irq [2023-11-06 21:53:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-11-06 21:53:34,818 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-11-06 21:53:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_30 [2023-11-06 21:53:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_30 [2023-11-06 21:53:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 21:53:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 21:53:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure reset_flags [2023-11-06 21:53:34,819 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_flags [2023-11-06 21:53:34,819 INFO L130 BoogieDeclarations]: Found specification of procedure smic_cleanup [2023-11-06 21:53:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_cleanup [2023-11-06 21:53:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure clear_obf [2023-11-06 21:53:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_obf [2023-11-06 21:53:34,820 INFO L130 BoogieDeclarations]: Found specification of procedure smi_event_handler [2023-11-06 21:53:34,820 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_event_handler [2023-11-06 21:53:34,821 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte___0 [2023-11-06 21:53:34,821 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte___0 [2023-11-06 21:53:34,912 INFO L130 BoogieDeclarations]: Found specification of procedure read_status [2023-11-06 21:53:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status [2023-11-06 21:53:34,912 INFO L130 BoogieDeclarations]: Found specification of procedure bt_size [2023-11-06 21:53:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_size [2023-11-06 21:53:34,913 INFO L130 BoogieDeclarations]: Found specification of procedure bt_init_data [2023-11-06 21:53:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_init_data [2023-11-06 21:53:34,913 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_resume [2023-11-06 21:53:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_resume [2023-11-06 21:53:34,913 INFO L130 BoogieDeclarations]: Found specification of procedure smic_detect [2023-11-06 21:53:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_detect [2023-11-06 21:53:34,913 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-06 21:53:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-06 21:53:34,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-06 21:53:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-06 21:53:34,914 INFO L130 BoogieDeclarations]: Found specification of procedure request_events [2023-11-06 21:53:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure request_events [2023-11-06 21:53:34,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_check [2023-11-06 21:53:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_check [2023-11-06 21:53:34,914 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-06 21:53:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-06 21:53:34,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 21:53:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 21:53:34,914 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2023-11-06 21:53:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2023-11-06 21:53:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure check_hotmod_int_op [2023-11-06 21:53:34,915 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hotmod_int_op [2023-11-06 21:53:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure parse_str [2023-11-06 21:53:34,915 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_str [2023-11-06 21:53:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 21:53:34,915 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 21:53:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_detect [2023-11-06 21:53:34,915 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_detect [2023-11-06 21:53:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_size [2023-11-06 21:53:34,915 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_size [2023-11-06 21:53:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure drain_BMC2HOST [2023-11-06 21:53:34,916 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_BMC2HOST [2023-11-06 21:53:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure error_recovery [2023-11-06 21:53:34,916 INFO L138 BoogieDeclarations]: Found implementation of procedure error_recovery [2023-11-06 21:53:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_status [2023-11-06 21:53:34,916 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_status [2023-11-06 21:53:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure disable_si_irq [2023-11-06 21:53:34,916 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_si_irq [2023-11-06 21:53:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery [2023-11-06 21:53:34,916 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery [2023-11-06 21:53:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_event [2023-11-06 21:53:34,917 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_event [2023-11-06 21:53:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure read_next_byte [2023-11-06 21:53:34,917 INFO L138 BoogieDeclarations]: Found implementation of procedure read_next_byte [2023-11-06 21:53:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure start_smic_transaction [2023-11-06 21:53:34,917 INFO L138 BoogieDeclarations]: Found implementation of procedure start_smic_transaction [2023-11-06 21:53:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2023-11-06 21:53:34,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2023-11-06 21:53:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 21:53:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-06 21:53:34,917 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-06 21:53:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure state2txt [2023-11-06 21:53:34,918 INFO L138 BoogieDeclarations]: Found implementation of procedure state2txt [2023-11-06 21:53:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 21:53:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_unregister_smi [2023-11-06 21:53:34,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_unregister_smi [2023-11-06 21:53:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-06 21:53:34,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2023-11-06 21:53:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_38 [2023-11-06 21:53:34,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_38 [2023-11-06 21:53:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-06 21:53:34,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-06 21:53:34,919 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2023-11-06 21:53:34,919 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2023-11-06 21:53:34,919 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-06 21:53:34,919 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-06 21:53:34,919 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2023-11-06 21:53:34,919 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2023-11-06 21:53:34,919 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-06 21:53:34,919 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-06 21:53:34,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 21:53:34,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 21:53:34,920 INFO L130 BoogieDeclarations]: Found specification of procedure getnstimeofday [2023-11-06 21:53:34,920 INFO L138 BoogieDeclarations]: Found implementation of procedure getnstimeofday [2023-11-06 21:53:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 21:53:34,923 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 21:53:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure start_next_msg [2023-11-06 21:53:34,923 INFO L138 BoogieDeclarations]: Found implementation of procedure start_next_msg [2023-11-06 21:53:34,924 INFO L130 BoogieDeclarations]: Found specification of procedure init_smic_data [2023-11-06 21:53:34,924 INFO L138 BoogieDeclarations]: Found implementation of procedure init_smic_data [2023-11-06 21:53:34,924 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-06 21:53:34,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-06 21:53:34,924 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2023-11-06 21:53:34,925 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-06 21:53:34,925 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-06 21:53:34,925 INFO L130 BoogieDeclarations]: Found specification of procedure kcs_cleanup [2023-11-06 21:53:34,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kcs_cleanup [2023-11-06 21:53:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-06 21:53:34,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-06 21:53:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure start_error_recovery___0 [2023-11-06 21:53:34,926 INFO L138 BoogieDeclarations]: Found implementation of procedure start_error_recovery___0 [2023-11-06 21:53:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_evaluate_integer [2023-11-06 21:53:34,927 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_evaluate_integer [2023-11-06 21:53:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure write_cmd [2023-11-06 21:53:34,927 INFO L138 BoogieDeclarations]: Found implementation of procedure write_cmd [2023-11-06 21:53:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-06 21:53:34,927 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-06 21:53:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure bt_get_result [2023-11-06 21:53:34,928 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_get_result [2023-11-06 21:53:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_one_si [2023-11-06 21:53:34,928 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_one_si [2023-11-06 21:53:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure smic_get_result [2023-11-06 21:53:34,928 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_get_result [2023-11-06 21:53:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_remove [2023-11-06 21:53:34,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_remove [2023-11-06 21:53:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 21:53:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-06 21:53:34,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-06 21:53:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure check_obf [2023-11-06 21:53:34,930 INFO L138 BoogieDeclarations]: Found implementation of procedure check_obf [2023-11-06 21:53:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_smi_add_proc_entry [2023-11-06 21:53:34,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_smi_add_proc_entry [2023-11-06 21:53:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2023-11-06 21:53:34,931 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2023-11-06 21:53:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-06 21:53:34,931 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-06 21:53:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-06 21:53:34,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2023-11-06 21:53:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2023-11-06 21:53:34,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2023-11-06 21:53:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-06 21:53:34,932 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-06 21:53:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 21:53:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2023-11-06 21:53:34,933 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2023-11-06 21:53:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2023-11-06 21:53:34,933 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2023-11-06 21:53:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2023-11-06 21:53:34,933 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2023-11-06 21:53:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure get_kcs_result [2023-11-06 21:53:34,934 INFO L138 BoogieDeclarations]: Found implementation of procedure get_kcs_result [2023-11-06 21:53:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 21:53:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pci_probe [2023-11-06 21:53:34,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pci_probe [2023-11-06 21:53:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_timer_and_thread [2023-11-06 21:53:34,934 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_timer_and_thread [2023-11-06 21:53:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-06 21:53:34,935 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-06 21:53:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure bt_detect [2023-11-06 21:53:34,935 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_detect [2023-11-06 21:53:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure read_data [2023-11-06 21:53:34,935 INFO L138 BoogieDeclarations]: Found implementation of procedure read_data [2023-11-06 21:53:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-06 21:53:34,936 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-06 21:53:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2023-11-06 21:53:34,936 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2023-11-06 21:53:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2023-11-06 21:53:34,936 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2023-11-06 21:53:34,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_init [2023-11-06 21:53:34,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_init [2023-11-06 21:53:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure try_smi_init [2023-11-06 21:53:34,937 INFO L138 BoogieDeclarations]: Found implementation of procedure try_smi_init [2023-11-06 21:53:34,937 INFO L130 BoogieDeclarations]: Found specification of procedure add_smi [2023-11-06 21:53:34,937 INFO L138 BoogieDeclarations]: Found implementation of procedure add_smi [2023-11-06 21:53:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure force_result [2023-11-06 21:53:34,938 INFO L138 BoogieDeclarations]: Found implementation of procedure force_result [2023-11-06 21:53:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-06 21:53:34,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-06 21:53:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 21:53:34,939 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 21:53:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure deliver_recv_msg [2023-11-06 21:53:34,940 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver_recv_msg [2023-11-06 21:53:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure status2txt [2023-11-06 21:53:34,940 INFO L138 BoogieDeclarations]: Found implementation of procedure status2txt [2023-11-06 21:53:34,940 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_flags [2023-11-06 21:53:34,940 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_flags [2023-11-06 21:53:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-06 21:53:34,941 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-06 21:53:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 21:53:34,941 INFO L130 BoogieDeclarations]: Found specification of procedure bt_start_transaction [2023-11-06 21:53:34,941 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_start_transaction [2023-11-06 21:53:34,942 INFO L130 BoogieDeclarations]: Found specification of procedure start_kcs_transaction [2023-11-06 21:53:34,942 INFO L138 BoogieDeclarations]: Found implementation of procedure start_kcs_transaction [2023-11-06 21:53:34,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-06 21:53:34,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-06 21:53:34,942 INFO L130 BoogieDeclarations]: Found specification of procedure read_smic_data [2023-11-06 21:53:34,942 INFO L138 BoogieDeclarations]: Found implementation of procedure read_smic_data [2023-11-06 21:53:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure handle_flags [2023-11-06 21:53:34,943 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_flags [2023-11-06 21:53:34,943 INFO L130 BoogieDeclarations]: Found specification of procedure start_clear_flags [2023-11-06 21:53:34,944 INFO L138 BoogieDeclarations]: Found implementation of procedure start_clear_flags [2023-11-06 21:53:34,944 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2023-11-06 21:53:34,944 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2023-11-06 21:53:34,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 21:53:34,944 INFO L130 BoogieDeclarations]: Found specification of procedure bt_cleanup [2023-11-06 21:53:34,944 INFO L138 BoogieDeclarations]: Found implementation of procedure bt_cleanup [2023-11-06 21:53:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_thread [2023-11-06 21:53:34,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_thread [2023-11-06 21:53:34,945 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2023-11-06 21:53:34,946 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2023-11-06 21:53:34,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:53:34,951 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-06 21:53:34,952 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-06 21:53:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte [2023-11-06 21:53:34,952 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte [2023-11-06 21:53:34,952 INFO L130 BoogieDeclarations]: Found specification of procedure poll [2023-11-06 21:53:34,952 INFO L138 BoogieDeclarations]: Found implementation of procedure poll [2023-11-06 21:53:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-06 21:53:34,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-06 21:53:34,954 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_si_set_not_busy [2023-11-06 21:53:34,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_si_set_not_busy [2023-11-06 21:53:34,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 21:53:34,961 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-06 21:53:34,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-06 21:53:34,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-06 21:53:34,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 21:53:34,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 21:53:34,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2023-11-06 21:53:34,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2023-11-06 21:53:34,962 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_flags [2023-11-06 21:53:34,962 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_flags [2023-11-06 21:53:34,962 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-06 21:53:34,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-06 21:53:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_alloc_smi_msg [2023-11-06 21:53:34,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_alloc_smi_msg [2023-11-06 21:53:34,963 INFO L130 BoogieDeclarations]: Found specification of procedure write_smic_control [2023-11-06 21:53:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure write_smic_control [2023-11-06 21:53:34,964 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-06 21:53:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-06 21:53:34,964 INFO L130 BoogieDeclarations]: Found specification of procedure return_hosed_msg [2023-11-06 21:53:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure return_hosed_msg [2023-11-06 21:53:34,964 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_remove [2023-11-06 21:53:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_remove [2023-11-06 21:53:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure ipmi_pnp_probe [2023-11-06 21:53:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ipmi_pnp_probe [2023-11-06 21:53:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure write_next_byte___0 [2023-11-06 21:53:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure write_next_byte___0 [2023-11-06 21:53:34,965 INFO L130 BoogieDeclarations]: Found specification of procedure read_all_bytes [2023-11-06 21:53:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure read_all_bytes [2023-11-06 21:53:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure init_kcs_data [2023-11-06 21:53:34,966 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kcs_data [2023-11-06 21:53:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure si_irq_handler [2023-11-06 21:53:34,966 INFO L138 BoogieDeclarations]: Found implementation of procedure si_irq_handler [2023-11-06 21:53:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-06 21:53:34,966 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-06 21:53:34,966 INFO L130 BoogieDeclarations]: Found specification of procedure smic_event [2023-11-06 21:53:34,966 INFO L138 BoogieDeclarations]: Found implementation of procedure smic_event [2023-11-06 21:53:34,967 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-06 21:53:34,967 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-06 21:53:34,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:53:34,967 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-06 21:53:34,967 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-06 21:53:34,967 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-06 21:53:34,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-06 21:53:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2023-11-06 21:53:34,968 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2023-11-06 21:53:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure handle_transaction_done [2023-11-06 21:53:34,968 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_transaction_done [2023-11-06 21:53:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:53:34,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:53:34,968 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2023-11-06 21:53:34,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2023-11-06 21:53:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-06 21:53:34,969 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-06 21:53:36,016 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:53:36,021 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:53:37,187 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-06 21:53:45,750 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:53:45,784 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:53:45,785 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 21:53:45,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:45 BoogieIcfgContainer [2023-11-06 21:53:45,791 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:53:45,794 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:53:45,794 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:53:45,797 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:53:45,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:53:29" (1/3) ... [2023-11-06 21:53:45,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5101a0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:53:45, skipping insertion in model container [2023-11-06 21:53:45,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:53:33" (2/3) ... [2023-11-06 21:53:45,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5101a0cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:53:45, skipping insertion in model container [2023-11-06 21:53:45,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:53:45" (3/3) ... [2023-11-06 21:53:45,803 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-90a4845-1-110_1a-drivers--char--ipmi--ipmi_si.ko-entry_point.cil.out.i [2023-11-06 21:53:45,822 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:53:45,823 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 21:53:46,075 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:53:46,082 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@67a3ce6f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:53:46,083 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 21:53:46,101 INFO L276 IsEmpty]: Start isEmpty. Operand has 3041 states, 2178 states have (on average 1.4269972451790633) internal successors, (3108), 2265 states have internal predecessors, (3108), 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) [2023-11-06 21:53:46,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-06 21:53:46,135 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:53:46,136 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, 1, 1, 1, 1] [2023-11-06 21:53:46,137 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:53:46,145 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:53:46,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1014639328, now seen corresponding path program 1 times [2023-11-06 21:53:46,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:53:46,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954332455] [2023-11-06 21:53:46,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:53:46,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:53:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:47,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:53:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:47,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 21:53:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:47,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 21:53:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:47,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 21:53:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:47,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 21:53:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:47,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:53:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:47,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 21:53:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:47,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 21:53:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:47,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 21:53:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:47,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 21:53:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:47,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 21:53:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:47,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-06 21:53:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:47,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-06 21:53:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:47,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 21:53:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:47,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-06 21:53:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:53:47,737 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-06 21:53:47,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:53:47,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954332455] [2023-11-06 21:53:47,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954332455] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:53:47,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:53:47,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 21:53:47,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830270043] [2023-11-06 21:53:47,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:53:47,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 21:53:47,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:53:47,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 21:53:47,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 21:53:47,798 INFO L87 Difference]: Start difference. First operand has 3041 states, 2178 states have (on average 1.4269972451790633) internal successors, (3108), 2265 states have internal predecessors, (3108), 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 8 states, 8 states have (on average 4.75) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 21:54:30,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:54:39,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:54:39,231 INFO L93 Difference]: Finished difference Result 19539 states and 33260 transitions. [2023-11-06 21:54:39,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 21:54:39,234 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 107 [2023-11-06 21:54:39,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:54:39,486 INFO L225 Difference]: With dead ends: 19539 [2023-11-06 21:54:39,487 INFO L226 Difference]: Without dead ends: 16405 [2023-11-06 21:54:39,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2023-11-06 21:54:39,590 INFO L413 NwaCegarLoop]: 4972 mSDtfsCounter, 22003 mSDsluCounter, 20264 mSDsCounter, 0 mSdLazyCounter, 15533 mSolverCounterSat, 8075 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23546 SdHoareTripleChecker+Valid, 25236 SdHoareTripleChecker+Invalid, 23608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 8075 IncrementalHoareTripleChecker+Valid, 15533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.2s IncrementalHoareTripleChecker+Time [2023-11-06 21:54:39,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23546 Valid, 25236 Invalid, 23608 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [8075 Valid, 15533 Invalid, 0 Unknown, 0 Unchecked, 48.2s Time] [2023-11-06 21:54:39,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16405 states. [2023-11-06 21:54:41,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16405 to 13344. [2023-11-06 21:54:41,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13344 states, 9583 states have (on average 1.419075446102473) internal successors, (13599), 9893 states have internal predecessors, (13599), 3099 states have call successors, (3099), 552 states have call predecessors, (3099), 661 states have return successors, (4318), 3037 states have call predecessors, (4318), 3098 states have call successors, (4318) [2023-11-06 21:54:41,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13344 states to 13344 states and 21016 transitions. [2023-11-06 21:54:41,437 INFO L78 Accepts]: Start accepts. Automaton has 13344 states and 21016 transitions. Word has length 107 [2023-11-06 21:54:41,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:54:41,440 INFO L495 AbstractCegarLoop]: Abstraction has 13344 states and 21016 transitions. [2023-11-06 21:54:41,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 21:54:41,441 INFO L276 IsEmpty]: Start isEmpty. Operand 13344 states and 21016 transitions. [2023-11-06 21:54:41,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-06 21:54:41,449 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:54:41,450 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, 1, 1, 1, 1, 1] [2023-11-06 21:54:41,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:54:41,451 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:54:41,451 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:54:41,452 INFO L85 PathProgramCache]: Analyzing trace with hash -327713596, now seen corresponding path program 1 times [2023-11-06 21:54:41,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:54:41,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187639231] [2023-11-06 21:54:41,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:54:41,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:54:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:42,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:54:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:42,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 21:54:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:42,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 21:54:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:42,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 21:54:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:42,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 21:54:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:42,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:54:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:42,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 21:54:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:42,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 21:54:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:42,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 21:54:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:42,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 21:54:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:42,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 21:54:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:42,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-06 21:54:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:42,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-06 21:54:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:42,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 21:54:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:42,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-06 21:54:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:54:42,343 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-06 21:54:42,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:54:42,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187639231] [2023-11-06 21:54:42,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187639231] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:54:42,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:54:42,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 21:54:42,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100553521] [2023-11-06 21:54:42,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:54:42,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 21:54:42,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:54:42,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 21:54:42,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 21:54:42,349 INFO L87 Difference]: Start difference. First operand 13344 states and 21016 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 21:55:25,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:55:34,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:55:34,425 INFO L93 Difference]: Finished difference Result 78744 states and 137536 transitions. [2023-11-06 21:55:34,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 21:55:34,431 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 108 [2023-11-06 21:55:34,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:55:35,450 INFO L225 Difference]: With dead ends: 78744 [2023-11-06 21:55:35,451 INFO L226 Difference]: Without dead ends: 65434 [2023-11-06 21:55:35,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2023-11-06 21:55:35,750 INFO L413 NwaCegarLoop]: 4124 mSDtfsCounter, 26144 mSDsluCounter, 15306 mSDsCounter, 0 mSdLazyCounter, 12733 mSolverCounterSat, 10653 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27678 SdHoareTripleChecker+Valid, 19430 SdHoareTripleChecker+Invalid, 23386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 10653 IncrementalHoareTripleChecker+Valid, 12733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.9s IncrementalHoareTripleChecker+Time [2023-11-06 21:55:35,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27678 Valid, 19430 Invalid, 23386 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [10653 Valid, 12733 Invalid, 0 Unknown, 0 Unchecked, 46.9s Time] [2023-11-06 21:55:35,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65434 states. [2023-11-06 21:55:41,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65434 to 55627. [2023-11-06 21:55:41,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55627 states, 39893 states have (on average 1.41899581380192) internal successors, (56608), 41179 states have internal predecessors, (56608), 12910 states have call successors, (12910), 2205 states have call predecessors, (12910), 2823 states have return successors, (23393), 12797 states have call predecessors, (23393), 12909 states have call successors, (23393) [2023-11-06 21:55:42,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55627 states to 55627 states and 92911 transitions. [2023-11-06 21:55:42,859 INFO L78 Accepts]: Start accepts. Automaton has 55627 states and 92911 transitions. Word has length 108 [2023-11-06 21:55:42,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:55:42,861 INFO L495 AbstractCegarLoop]: Abstraction has 55627 states and 92911 transitions. [2023-11-06 21:55:42,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 21:55:42,861 INFO L276 IsEmpty]: Start isEmpty. Operand 55627 states and 92911 transitions. [2023-11-06 21:55:42,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-06 21:55:42,864 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:55:42,865 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, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:42,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 21:55:42,866 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 21:55:42,866 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:42,866 INFO L85 PathProgramCache]: Analyzing trace with hash -165491864, now seen corresponding path program 1 times [2023-11-06 21:55:42,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:42,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673735248] [2023-11-06 21:55:42,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:42,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:43,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:55:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:43,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 21:55:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:43,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 21:55:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:43,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 21:55:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:43,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 21:55:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:43,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 21:55:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:43,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 21:55:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:43,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 21:55:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:43,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 21:55:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:43,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 21:55:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:43,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 21:55:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:43,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-06 21:55:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:43,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-06 21:55:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:43,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 21:55:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:44,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-06 21:55:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:44,032 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-06 21:55:44,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:55:44,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673735248] [2023-11-06 21:55:44,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673735248] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:55:44,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:55:44,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 21:55:44,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706814174] [2023-11-06 21:55:44,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:55:44,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 21:55:44,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:55:44,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 21:55:44,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 21:55:44,037 INFO L87 Difference]: Start difference. First operand 55627 states and 92911 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-06 21:56:08,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 21:56:33,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []