./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh --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 fcc9c58d9e7d331b03ac2a1d31f7075375278be740d6cb0fb532894b4718ca6e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:18:19,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:18:19,540 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 15:18:19,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:18:19,545 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:18:19,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:18:19,568 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:18:19,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:18:19,569 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:18:19,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:18:19,570 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:18:19,571 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:18:19,572 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:18:19,572 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:18:19,573 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:18:19,573 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:18:19,574 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:18:19,574 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:18:19,575 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:18:19,575 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:18:19,576 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:18:19,576 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:18:19,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:18:19,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:18:19,578 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:18:19,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:18:19,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:18:19,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:18:19,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:18:19,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:18:19,580 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:18:19,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:18:19,580 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:18:19,581 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:18:19,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:18:19,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:18:19,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:18:19,582 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:18:19,582 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:18:19,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:18:19,582 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:18:19,582 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:18:19,583 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:18:19,583 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:18:19,583 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_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcc9c58d9e7d331b03ac2a1d31f7075375278be740d6cb0fb532894b4718ca6e [2023-12-02 15:18:19,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:18:19,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:18:19,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:18:19,807 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:18:19,807 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:18:19,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i [2023-12-02 15:18:22,523 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:18:23,291 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:18:23,292 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i [2023-12-02 15:18:23,380 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/data/a448471e7/83d45c02c65d4c6b9f36c3ba2afdeaa7/FLAG61c860b1e [2023-12-02 15:18:23,394 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/data/a448471e7/83d45c02c65d4c6b9f36c3ba2afdeaa7 [2023-12-02 15:18:23,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:18:23,398 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:18:23,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:18:23,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:18:23,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:18:23,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:18:23" (1/1) ... [2023-12-02 15:18:23,406 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d003fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:23, skipping insertion in model container [2023-12-02 15:18:23,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:18:23" (1/1) ... [2023-12-02 15:18:23,680 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:18:31,028 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_cacb46d6-f26c-4815-b45e-00fda38e4940/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i[890446,890459] [2023-12-02 15:18:31,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:18:31,263 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:18:31,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [6203] [2023-12-02 15:18:31,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6254] [2023-12-02 15:18:31,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6257] [2023-12-02 15:18:31,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6260] [2023-12-02 15:18:31,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6263] [2023-12-02 15:18:31,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/exper_fp/inst/current/envs/linux-3.10-rc1.tar/linux-3.10-rc1/arch/x86/include/asm/paravirt.h"), "i" (824), "i" (12UL)); [6365-6366] [2023-12-02 15:18:31,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6371-6373] [2023-12-02 15:18:31,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [6409] [2023-12-02 15:18:31,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgb %2,%1": "=a" (__ret), "+m" (*__ptr): "q" (__new), "0" (__old): "memory"); [6428-6429] [2023-12-02 15:18:31,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgw %2,%1": "=a" (__ret), "+m" (*__ptr___0): "r" (__new), "0" (__old): "memory"); [6433-6434] [2023-12-02 15:18:31,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgl %2,%1": "=a" (__ret), "+m" (*__ptr___1): "r" (__new), "0" (__old): "memory"); [6438-6439] [2023-12-02 15:18:31,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgq %2,%1": "=a" (__ret), "+m" (*__ptr___2): "r" (__new), "0" (__old): "memory"); [6443-6444] [2023-12-02 15:18:31,365 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [6573] [2023-12-02 15:18:31,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [6580] [2023-12-02 15:18:31,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movq %0,%1": : "r" (val), "m" (*((unsigned long volatile *)addr)): "memory"); [6587] [2023-12-02 15:18:31,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7781] [2023-12-02 15:18:31,407 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7806] [2023-12-02 15:18:31,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "m" (cpu_number)); [8583] [2023-12-02 15:18:31,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [8586] [2023-12-02 15:18:31,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [8589] [2023-12-02 15:18:31,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "m" (cpu_number)); [8592] [2023-12-02 15:18:31,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____0): "m" (cpu_number)); [8603] [2023-12-02 15:18:31,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [8606] [2023-12-02 15:18:31,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [8609] [2023-12-02 15:18:31,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____0): "m" (cpu_number)); [8612] [2023-12-02 15:18:31,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____1): "m" (cpu_number)); [8623] [2023-12-02 15:18:31,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [8626] [2023-12-02 15:18:31,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [8629] [2023-12-02 15:18:31,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____1): "m" (cpu_number)); [8632] [2023-12-02 15:18:31,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret_____2): "m" (cpu_number)); [8643] [2023-12-02 15:18:31,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [8646] [2023-12-02 15:18:31,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [8649] [2023-12-02 15:18:31,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret_____2): "m" (cpu_number)); [8652] [2023-12-02 15:18:31,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/exper_fp/work/current--X--drivers--X--defaultlinux-3.10-rc1.tar--X--32_7a--X--cpachecker/linux-3.10-rc1.tar/csd_deg_dscv/4634/dscv_tempdir/dscv/ri/32_7a/drivers/scsi/mpt2sas/mpt2sas_base.c.prepared"), "i" (4653), "i" (12UL)); [11469-11470] [2023-12-02 15:18:31,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [12862] [2023-12-02 15:18:31,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [12869] [2023-12-02 15:18:31,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [12877-12878] [2023-12-02 15:18:31,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [12892-12893] [2023-12-02 15:18:31,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [12901] [2023-12-02 15:18:31,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [12908] [2023-12-02 15:18:31,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& kernel_stack)); [12957] [2023-12-02 15:18:31,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [12960] [2023-12-02 15:18:31,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [12963] [2023-12-02 15:18:31,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& kernel_stack)); [12966] [2023-12-02 15:18:31,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/raid_class.h"), "i" (74), "i" (12UL)); [13028-13029] [2023-12-02 15:18:31,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/raid_class.h"), "i" (75), "i" (12UL)); [13054-13055] [2023-12-02 15:18:31,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/raid_class.h"), "i" (76), "i" (12UL)); [13080-13081] [2023-12-02 15:18:31,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/exper_fp/work/current--X--drivers--X--defaultlinux-3.10-rc1.tar--X--32_7a--X--cpachecker/linux-3.10-rc1.tar/csd_deg_dscv/4634/dscv_tempdir/dscv/ri/32_7a/drivers/scsi/mpt2sas/mpt2sas_scsih.c.prepared"), "i" (3683), "i" (12UL)); [16700-16701] [2023-12-02 15:18:31,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [21777-21778] [2023-12-02 15:18:31,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [21806-21807] [2023-12-02 15:18:32,152 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_cacb46d6-f26c-4815-b45e-00fda38e4940/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i[890446,890459] [2023-12-02 15:18:32,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:18:32,425 WARN L675 CHandler]: The function strcat is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:18:32,426 WARN L675 CHandler]: The function __bad_size_call_parameter is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:18:32,426 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:18:32,426 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:18:32,426 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:18:32,426 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:18:32,434 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:18:32,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:32 WrapperNode [2023-12-02 15:18:32,434 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:18:32,435 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:18:32,435 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:18:32,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:18:32,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:32" (1/1) ... [2023-12-02 15:18:32,629 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:32" (1/1) ... [2023-12-02 15:18:33,003 INFO L138 Inliner]: procedures = 757, calls = 11950, calls flagged for inlining = 313, calls inlined = 149, statements flattened = 16645 [2023-12-02 15:18:33,004 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:18:33,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:18:33,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:18:33,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:18:33,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:32" (1/1) ... [2023-12-02 15:18:33,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:32" (1/1) ... [2023-12-02 15:18:33,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:32" (1/1) ... [2023-12-02 15:18:33,174 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:32" (1/1) ... [2023-12-02 15:18:33,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:32" (1/1) ... [2023-12-02 15:18:33,540 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:32" (1/1) ... [2023-12-02 15:18:33,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:32" (1/1) ... [2023-12-02 15:18:33,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:32" (1/1) ... [2023-12-02 15:18:33,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:18:33,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:18:33,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:18:33,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:18:33,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:32" (1/1) ... [2023-12-02 15:18:33,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:18:33,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:18:33,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:18:33,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:18:33,808 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_expander_remove [2023-12-02 15:18:33,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_expander_remove [2023-12-02 15:18:33,808 INFO L130 BoogieDeclarations]: Found specification of procedure _base_event_notification [2023-12-02 15:18:33,808 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_event_notification [2023-12-02 15:18:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_alloc [2023-12-02 15:18:33,809 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_alloc [2023-12-02 15:18:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2023-12-02 15:18:33,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2023-12-02 15:18:33,809 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_device [2023-12-02 15:18:33,809 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_device [2023-12-02 15:18:33,810 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_sas_device_find_by_sas_address [2023-12-02 15:18:33,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_sas_device_find_by_sas_address [2023-12-02 15:18:33,810 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_state [2023-12-02 15:18:33,810 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_state [2023-12-02 15:18:33,810 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_init_warpdrive_properties [2023-12-02 15:18:33,810 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_init_warpdrive_properties [2023-12-02 15:18:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure _base_handshake_req_reply_wait [2023-12-02 15:18:33,811 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_handshake_req_reply_wait [2023-12-02 15:18:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_prep_device_scan [2023-12-02 15:18:33,811 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_prep_device_scan [2023-12-02 15:18:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 15:18:33,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 15:18:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure _base_writeq [2023-12-02 15:18:33,811 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_writeq [2023-12-02 15:18:33,811 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_topology_change_event [2023-12-02 15:18:33,812 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_topology_change_event [2023-12-02 15:18:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2023-12-02 15:18:33,812 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2023-12-02 15:18:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_free [2023-12-02 15:18:33,812 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_free [2023-12-02 15:18:33,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of__internal_cmd [2023-12-02 15:18:33,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of__internal_cmd [2023-12-02 15:18:33,813 INFO L130 BoogieDeclarations]: Found specification of procedure _config_request [2023-12-02 15:18:33,813 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_request [2023-12-02 15:18:33,813 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-12-02 15:18:33,813 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-12-02 15:18:33,813 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_device_remove_by_handle [2023-12-02 15:18:33,813 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_device_remove_by_handle [2023-12-02 15:18:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2023-12-02 15:18:33,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2023-12-02 15:18:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_do_mpt_command [2023-12-02 15:18:33,814 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_do_mpt_command [2023-12-02 15:18:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure sas_phy_add [2023-12-02 15:18:33,814 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_phy_add [2023-12-02 15:18:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_number_pds [2023-12-02 15:18:33,814 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_number_pds [2023-12-02 15:18:33,814 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_start [2023-12-02 15:18:33,815 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_start [2023-12-02 15:18:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-12-02 15:18:33,815 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-12-02 15:18:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2023-12-02 15:18:33,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2023-12-02 15:18:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-12-02 15:18:33,815 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_add [2023-12-02 15:18:33,815 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_add [2023-12-02 15:18:33,816 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_expanders [2023-12-02 15:18:33,816 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_expanders [2023-12-02 15:18:33,816 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_slave_destroy [2023-12-02 15:18:33,816 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_slave_destroy [2023-12-02 15:18:33,816 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_add_device [2023-12-02 15:18:33,816 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_add_device [2023-12-02 15:18:33,817 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_send_release [2023-12-02 15:18:33,817 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_send_release [2023-12-02 15:18:33,817 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-12-02 15:18:33,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-12-02 15:18:33,817 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ir_shutdown [2023-12-02 15:18:33,817 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ir_shutdown [2023-12-02 15:18:33,818 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-12-02 15:18:33,818 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-12-02 15:18:33,818 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2023-12-02 15:18:33,818 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2023-12-02 15:18:33,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 15:18:33,818 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-12-02 15:18:33,818 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-12-02 15:18:33,819 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_build_zero_len_sge [2023-12-02 15:18:33,819 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_build_zero_len_sge [2023-12-02 15:18:33,819 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_add [2023-12-02 15:18:33,819 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_add [2023-12-02 15:18:33,819 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_ready [2023-12-02 15:18:33,819 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_ready [2023-12-02 15:18:33,819 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_reset_handler [2023-12-02 15:18:33,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_reset_handler [2023-12-02 15:18:33,820 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove_device [2023-12-02 15:18:33,820 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove_device [2023-12-02 15:18:33,820 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_volume_wwid [2023-12-02 15:18:33,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_volume_wwid [2023-12-02 15:18:33,820 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-12-02 15:18:33,820 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-12-02 15:18:33,821 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_target [2023-12-02 15:18:33,821 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_target [2023-12-02 15:18:33,821 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-12-02 15:18:33,821 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-12-02 15:18:33,821 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_shutdown [2023-12-02 15:18:33,821 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_shutdown [2023-12-02 15:18:33,822 INFO L130 BoogieDeclarations]: Found specification of procedure _base_free_irq [2023-12-02 15:18:33,822 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_free_irq [2023-12-02 15:18:33,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-02 15:18:33,822 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-12-02 15:18:33,822 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-12-02 15:18:33,823 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_display_some_debug [2023-12-02 15:18:33,823 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_display_some_debug [2023-12-02 15:18:33,823 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-12-02 15:18:33,823 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-12-02 15:18:33,823 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-12-02 15:18:33,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-12-02 15:18:33,824 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_ioctl_main [2023-12-02 15:18:33,824 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_ioctl_main [2023-12-02 15:18:33,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 15:18:33,824 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_add_expander_phy [2023-12-02 15:18:33,824 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_add_expander_phy [2023-12-02 15:18:33,824 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_ack [2023-12-02 15:18:33,825 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_ack [2023-12-02 15:18:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_add_host_phy [2023-12-02 15:18:33,825 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_add_host_phy [2023-12-02 15:18:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-12-02 15:18:33,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-12-02 15:18:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 15:18:33,825 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_manufacturing_pg0 [2023-12-02 15:18:33,825 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_manufacturing_pg0 [2023-12-02 15:18:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure _base_disable_msix [2023-12-02 15:18:33,826 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_disable_msix [2023-12-02 15:18:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_device [2023-12-02 15:18:33,826 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_device [2023-12-02 15:18:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_detach [2023-12-02 15:18:33,826 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_detach [2023-12-02 15:18:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-12-02 15:18:33,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-12-02 15:18:33,826 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_manufacturing_pg10 [2023-12-02 15:18:33,827 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_manufacturing_pg10 [2023-12-02 15:18:33,827 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2023-12-02 15:18:33,827 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2023-12-02 15:18:33,827 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scsi_lookup_get_clear [2023-12-02 15:18:33,827 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scsi_lookup_get_clear [2023-12-02 15:18:33,827 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_disable_ddio [2023-12-02 15:18:33,827 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_disable_ddio [2023-12-02 15:18:33,827 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_capability [2023-12-02 15:18:33,828 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_capability [2023-12-02 15:18:33,828 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_unblock [2023-12-02 15:18:33,828 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_unblock [2023-12-02 15:18:33,828 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf [2023-12-02 15:18:33,828 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf [2023-12-02 15:18:33,828 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-12-02 15:18:33,828 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-12-02 15:18:33,828 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_remove [2023-12-02 15:18:33,829 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_remove [2023-12-02 15:18:33,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-12-02 15:18:33,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-12-02 15:18:33,829 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-12-02 15:18:33,829 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-12-02 15:18:33,829 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-12-02 15:18:33,829 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-12-02 15:18:33,829 INFO L130 BoogieDeclarations]: Found specification of procedure _firmware_event_work [2023-12-02 15:18:33,829 INFO L138 BoogieDeclarations]: Found implementation of procedure _firmware_event_work [2023-12-02 15:18:33,829 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_is_host_device [2023-12-02 15:18:33,830 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_is_host_device [2023-12-02 15:18:33,830 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-12-02 15:18:33,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-12-02 15:18:33,830 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2023-12-02 15:18:33,830 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2023-12-02 15:18:33,830 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid_scsiio [2023-12-02 15:18:33,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid_scsiio [2023-12-02 15:18:33,830 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2023-12-02 15:18:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2023-12-02 15:18:33,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 15:18:33,831 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-12-02 15:18:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-12-02 15:18:33,831 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_convert_phy_link_rate [2023-12-02 15:18:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_convert_phy_link_rate [2023-12-02 15:18:33,831 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_config_change_event [2023-12-02 15:18:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_config_change_event [2023-12-02 15:18:33,831 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_fault_info [2023-12-02 15:18:33,831 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_fault_info [2023-12-02 15:18:33,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:18:33,832 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-12-02 15:18:33,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-12-02 15:18:33,832 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_sas_address [2023-12-02 15:18:33,832 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_sas_address [2023-12-02 15:18:33,832 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_iounit_pg1 [2023-12-02 15:18:33,832 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_iounit_pg1 [2023-12-02 15:18:33,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 15:18:33,832 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_add [2023-12-02 15:18:33,833 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_add [2023-12-02 15:18:33,833 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_iounit_pg0 [2023-12-02 15:18:33,833 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_iounit_pg0 [2023-12-02 15:18:33,833 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-12-02 15:18:33,833 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_set_identify [2023-12-02 15:18:33,833 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_set_identify [2023-12-02 15:18:33,833 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 15:18:33,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 15:18:33,833 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_enable_diag_buffer [2023-12-02 15:18:33,833 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_enable_diag_buffer [2023-12-02 15:18:33,834 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2023-12-02 15:18:33,834 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2023-12-02 15:18:33,834 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_refresh [2023-12-02 15:18:33,834 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_refresh [2023-12-02 15:18:33,834 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_set_iounit_pg1 [2023-12-02 15:18:33,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_set_iounit_pg1 [2023-12-02 15:18:33,834 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_wwid [2023-12-02 15:18:33,834 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_wwid [2023-12-02 15:18:33,834 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_scsi_enclosure_processor [2023-12-02 15:18:33,835 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_scsi_enclosure_processor [2023-12-02 15:18:33,835 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_pd_hide [2023-12-02 15:18:33,835 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_pd_hide [2023-12-02 15:18:33,835 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_update_links [2023-12-02 15:18:33,835 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_update_links [2023-12-02 15:18:33,835 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_turn_on_fault_led [2023-12-02 15:18:33,835 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_turn_on_fault_led [2023-12-02 15:18:33,835 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_for_doorbell_int [2023-12-02 15:18:33,835 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_for_doorbell_int [2023-12-02 15:18:33,835 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_resync [2023-12-02 15:18:33,836 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_resync [2023-12-02 15:18:33,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2023-12-02 15:18:33,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of__internal_cmd [2023-12-02 15:18:33,836 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_check_access_status [2023-12-02 15:18:33,836 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_check_access_status [2023-12-02 15:18:33,836 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_volume_handle [2023-12-02 15:18:33,836 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_volume_handle [2023-12-02 15:18:33,836 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_expander_pg0 [2023-12-02 15:18:33,836 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_expander_pg0 [2023-12-02 15:18:33,836 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_expander_pg1 [2023-12-02 15:18:33,837 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_expander_pg1 [2023-12-02 15:18:33,837 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-12-02 15:18:33,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-12-02 15:18:33,837 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-12-02 15:18:33,837 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-12-02 15:18:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid_hpr [2023-12-02 15:18:33,838 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid_hpr [2023-12-02 15:18:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_handle [2023-12-02 15:18:33,838 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_handle [2023-12-02 15:18:33,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2023-12-02 15:18:33,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of__internal_cmd [2023-12-02 15:18:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_device_remove_by_sas_address [2023-12-02 15:18:33,839 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_device_remove_by_sas_address [2023-12-02 15:18:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2023-12-02 15:18:33,839 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2023-12-02 15:18:33,839 INFO L130 BoogieDeclarations]: Found specification of procedure _base_reset_handler [2023-12-02 15:18:33,839 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_reset_handler [2023-12-02 15:18:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_hard_reset_handler [2023-12-02 15:18:33,840 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_hard_reset_handler [2023-12-02 15:18:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-12-02 15:18:33,840 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-12-02 15:18:33,840 INFO L130 BoogieDeclarations]: Found specification of procedure _base_get_msix_index [2023-12-02 15:18:33,840 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_get_msix_index [2023-12-02 15:18:33,841 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-12-02 15:18:33,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-12-02 15:18:33,841 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-12-02 15:18:33,841 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-12-02 15:18:33,841 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-12-02 15:18:33,841 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-12-02 15:18:33,842 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2023-12-02 15:18:33,842 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2023-12-02 15:18:33,842 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_discovery_event [2023-12-02 15:18:33,842 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_discovery_event [2023-12-02 15:18:33,842 INFO L130 BoogieDeclarations]: Found specification of procedure _base_make_ioc_operational [2023-12-02 15:18:33,842 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_make_ioc_operational [2023-12-02 15:18:33,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:18:33,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:18:33,842 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_port_remove [2023-12-02 15:18:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_port_remove [2023-12-02 15:18:33,843 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_free_resources [2023-12-02 15:18:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_free_resources [2023-12-02 15:18:33,843 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-12-02 15:18:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-12-02 15:18:33,843 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_get_num_volumes [2023-12-02 15:18:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_get_num_volumes [2023-12-02 15:18:33,843 INFO L130 BoogieDeclarations]: Found specification of procedure _ctl_diag_register_2 [2023-12-02 15:18:33,843 INFO L138 BoogieDeclarations]: Found implementation of procedure _ctl_diag_register_2 [2023-12-02 15:18:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_transport_port_add [2023-12-02 15:18:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_transport_port_add [2023-12-02 15:18:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_number_hba_phys [2023-12-02 15:18:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_number_hba_phys [2023-12-02 15:18:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-12-02 15:18:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-12-02 15:18:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-02 15:18:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 15:18:33,844 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_raid_device_find_by_id [2023-12-02 15:18:33,844 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_raid_device_find_by_id [2023-12-02 15:18:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_boot_device [2023-12-02 15:18:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_boot_device [2023-12-02 15:18:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure int_to_scsilun [2023-12-02 15:18:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure int_to_scsilun [2023-12-02 15:18:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2023-12-02 15:18:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2023-12-02 15:18:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-12-02 15:18:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-12-02 15:18:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2023-12-02 15:18:33,845 INFO L130 BoogieDeclarations]: Found specification of procedure _base_release_memory_pools [2023-12-02 15:18:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_release_memory_pools [2023-12-02 15:18:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___1 [2023-12-02 15:18:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___1 [2023-12-02 15:18:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure attribute_container_find_class_device [2023-12-02 15:18:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure attribute_container_find_class_device [2023-12-02 15:18:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___3 [2023-12-02 15:18:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___3 [2023-12-02 15:18:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure _debug_dump_mf___2 [2023-12-02 15:18:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure _debug_dump_mf___2 [2023-12-02 15:18:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_sense_buffer_dma [2023-12-02 15:18:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_sense_buffer_dma [2023-12-02 15:18:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_default [2023-12-02 15:18:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_default [2023-12-02 15:18:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_start_watchdog [2023-12-02 15:18:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_start_watchdog [2023-12-02 15:18:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_host_add [2023-12-02 15:18:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_host_add [2023-12-02 15:18:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2023-12-02 15:18:33,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2023-12-02 15:18:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-12-02 15:18:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-12-02 15:18:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-12-02 15:18:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-12-02 15:18:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2023-12-02 15:18:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2023-12-02 15:18:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2023-12-02 15:18:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2023-12-02 15:18:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-12-02 15:18:33,848 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-12-02 15:18:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-12-02 15:18:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-12-02 15:18:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_ublock_io_all_device [2023-12-02 15:18:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_ublock_io_all_device [2023-12-02 15:18:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_broadcast_primitive_event [2023-12-02 15:18:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_broadcast_primitive_event [2023-12-02 15:18:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 15:18:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 15:18:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_smid [2023-12-02 15:18:33,849 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_smid [2023-12-02 15:18:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2023-12-02 15:18:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2023-12-02 15:18:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-12-02 15:18:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-12-02 15:18:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-12-02 15:18:33,850 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-12-02 15:18:33,850 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_free [2023-12-02 15:18:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_free [2023-12-02 15:18:33,851 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_mark_responding_raid_device [2023-12-02 15:18:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_mark_responding_raid_device [2023-12-02 15:18:33,851 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_is_end_device [2023-12-02 15:18:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_is_end_device [2023-12-02 15:18:33,851 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_determine_boot_device [2023-12-02 15:18:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_determine_boot_device [2023-12-02 15:18:33,851 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-12-02 15:18:33,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-12-02 15:18:33,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 15:18:33,852 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-12-02 15:18:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-12-02 15:18:33,852 INFO L130 BoogieDeclarations]: Found specification of procedure _config_display_some_debug [2023-12-02 15:18:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure _config_display_some_debug [2023-12-02 15:18:33,852 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_phy_pg0 [2023-12-02 15:18:33,852 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_phy_pg0 [2023-12-02 15:18:33,852 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_stop_watchdog [2023-12-02 15:18:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_stop_watchdog [2023-12-02 15:18:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 15:18:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_physical_disk_event [2023-12-02 15:18:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_physical_disk_event [2023-12-02 15:18:33,853 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-12-02 15:18:33,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-12-02 15:18:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure starget_for_each_device [2023-12-02 15:18:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure starget_for_each_device [2023-12-02 15:18:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-12-02 15:18:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-12-02 15:18:33,854 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_halt_firmware [2023-12-02 15:18:33,854 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_halt_firmware [2023-12-02 15:18:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_remove [2023-12-02 15:18:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_remove [2023-12-02 15:18:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_msg_frame [2023-12-02 15:18:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_msg_frame [2023-12-02 15:18:33,855 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_ir_volume_event [2023-12-02 15:18:33,855 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_ir_volume_event [2023-12-02 15:18:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure _base_static_config_pages [2023-12-02 15:18:33,856 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_static_config_pages [2023-12-02 15:18:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 15:18:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_add_device [2023-12-02 15:18:33,856 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_add_device [2023-12-02 15:18:33,856 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-12-02 15:18:33,857 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-12-02 15:18:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-02 15:18:33,857 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-02 15:18:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2023-12-02 15:18:33,857 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-12-02 15:18:33,857 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-12-02 15:18:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-12-02 15:18:33,858 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-12-02 15:18:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_node_remove [2023-12-02 15:18:33,858 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_node_remove [2023-12-02 15:18:33,858 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_bios_pg3 [2023-12-02 15:18:33,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_bios_pg3 [2023-12-02 15:18:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_raid_devices [2023-12-02 15:18:33,859 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_raid_devices [2023-12-02 15:18:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_bios_pg2 [2023-12-02 15:18:33,859 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_bios_pg2 [2023-12-02 15:18:33,859 INFO L130 BoogieDeclarations]: Found specification of procedure _base_mask_interrupts [2023-12-02 15:18:33,859 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_mask_interrupts [2023-12-02 15:18:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_remove [2023-12-02 15:18:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_remove [2023-12-02 15:18:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_scan_for_devices_after_reset [2023-12-02 15:18:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_scan_for_devices_after_reset [2023-12-02 15:18:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-12-02 15:18:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-12-02 15:18:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_expander_report_manufacture [2023-12-02 15:18:33,861 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_expander_report_manufacture [2023-12-02 15:18:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2023-12-02 15:18:33,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2023-12-02 15:18:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2023-12-02 15:18:33,861 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2023-12-02 15:18:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_flush_running_cmds [2023-12-02 15:18:33,861 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_flush_running_cmds [2023-12-02 15:18:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_enclosure_pg0 [2023-12-02 15:18:33,861 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_enclosure_pg0 [2023-12-02 15:18:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2023-12-02 15:18:33,862 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2023-12-02 15:18:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2023-12-02 15:18:33,862 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2023-12-02 15:18:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_set_tm_flag [2023-12-02 15:18:33,862 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_set_tm_flag [2023-12-02 15:18:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_search_responding_sas_devices [2023-12-02 15:18:33,862 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_search_responding_sas_devices [2023-12-02 15:18:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_sas_device_pg0 [2023-12-02 15:18:33,862 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_sas_device_pg0 [2023-12-02 15:18:33,862 INFO L130 BoogieDeclarations]: Found specification of procedure _base_is_controller_msix_enabled [2023-12-02 15:18:33,863 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_is_controller_msix_enabled [2023-12-02 15:18:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-12-02 15:18:33,863 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-12-02 15:18:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure _base_fault_reset_work [2023-12-02 15:18:33,863 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_fault_reset_work [2023-12-02 15:18:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-12-02 15:18:33,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2023-12-02 15:18:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2023-12-02 15:18:33,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2023-12-02 15:18:33,863 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_internal_device_block [2023-12-02 15:18:33,863 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_internal_device_block [2023-12-02 15:18:33,864 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_device_find_by_handle [2023-12-02 15:18:33,864 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_device_find_by_handle [2023-12-02 15:18:33,864 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_add [2023-12-02 15:18:33,864 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_add [2023-12-02 15:18:33,864 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_free_smid [2023-12-02 15:18:33,864 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_free_smid [2023-12-02 15:18:33,864 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_issue_tm [2023-12-02 15:18:33,864 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_issue_tm [2023-12-02 15:18:33,864 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_refresh_expander_links [2023-12-02 15:18:33,864 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_refresh_expander_links [2023-12-02 15:18:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_delete_phy [2023-12-02 15:18:33,865 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_delete_phy [2023-12-02 15:18:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_get_iocstate [2023-12-02 15:18:33,865 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_get_iocstate [2023-12-02 15:18:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 15:18:33,865 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 15:18:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-12-02 15:18:33,865 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-12-02 15:18:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 15:18:33,865 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_expander_find_by_sas_address [2023-12-02 15:18:33,865 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_expander_find_by_sas_address [2023-12-02 15:18:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_hi_priority [2023-12-02 15:18:33,866 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_hi_priority [2023-12-02 15:18:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 15:18:33,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 15:18:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure _base_wait_on_iocstate [2023-12-02 15:18:33,866 INFO L138 BoogieDeclarations]: Found implementation of procedure _base_wait_on_iocstate [2023-12-02 15:18:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_delete [2023-12-02 15:18:33,866 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_delete [2023-12-02 15:18:33,866 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_target_destroy [2023-12-02 15:18:33,866 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_target_destroy [2023-12-02 15:18:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_fw_event_cleanup_queue [2023-12-02 15:18:33,867 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_fw_event_cleanup_queue [2023-12-02 15:18:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_pci_resume [2023-12-02 15:18:33,867 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_pci_resume [2023-12-02 15:18:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_sas_volume_add [2023-12-02 15:18:33,867 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_sas_volume_add [2023-12-02 15:18:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2023-12-02 15:18:33,867 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2023-12-02 15:18:33,867 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-12-02 15:18:33,867 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-12-02 15:18:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_raid_volume_pg0 [2023-12-02 15:18:33,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_raid_volume_pg0 [2023-12-02 15:18:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_raid_volume_pg1 [2023-12-02 15:18:33,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_raid_volume_pg1 [2023-12-02 15:18:33,868 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2023-12-02 15:18:33,868 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2023-12-02 15:18:33,869 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_base_put_smid_scsi_io [2023-12-02 15:18:33,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_base_put_smid_scsi_io [2023-12-02 15:18:33,869 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_clear_tm_flag [2023-12-02 15:18:33,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_clear_tm_flag [2023-12-02 15:18:33,869 INFO L130 BoogieDeclarations]: Found specification of procedure sas_port_add_phy [2023-12-02 15:18:33,869 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_port_add_phy [2023-12-02 15:18:33,869 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2023-12-02 15:18:33,870 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2023-12-02 15:18:33,870 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_phys_disk_pg0 [2023-12-02 15:18:33,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_phys_disk_pg0 [2023-12-02 15:18:33,870 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg1 [2023-12-02 15:18:33,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg1 [2023-12-02 15:18:33,870 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-12-02 15:18:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-12-02 15:18:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_ioc_pg8 [2023-12-02 15:18:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_ioc_pg8 [2023-12-02 15:18:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_config_get_iounit_pg0 [2023-12-02 15:18:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_config_get_iounit_pg0 [2023-12-02 15:18:33,871 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-12-02 15:18:33,871 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-12-02 15:18:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure _transport_sas_node_find_by_sas_address [2023-12-02 15:18:33,872 INFO L138 BoogieDeclarations]: Found implementation of procedure _transport_sas_node_find_by_sas_address [2023-12-02 15:18:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-12-02 15:18:33,872 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-12-02 15:18:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2023-12-02 15:18:33,872 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2023-12-02 15:18:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-12-02 15:18:33,872 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-12-02 15:18:33,872 INFO L130 BoogieDeclarations]: Found specification of procedure mpt2sas_scsih_expander_find_by_handle [2023-12-02 15:18:33,872 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt2sas_scsih_expander_find_by_handle [2023-12-02 15:18:33,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:18:33,873 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_expander_add [2023-12-02 15:18:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_expander_add [2023-12-02 15:18:33,873 INFO L130 BoogieDeclarations]: Found specification of procedure _scsih_response_code [2023-12-02 15:18:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _scsih_response_code [2023-12-02 15:18:33,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-12-02 15:18:33,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-12-02 15:18:33,873 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-12-02 15:18:33,873 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2023-12-02 15:18:33,874 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2023-12-02 15:18:35,498 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:18:35,504 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:18:56,364 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:19:05,260 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:19:05,260 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-02 15:19:05,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:19:05 BoogieIcfgContainer [2023-12-02 15:19:05,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:19:05,267 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:19:05,267 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:19:05,270 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:19:05,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:18:23" (1/3) ... [2023-12-02 15:19:05,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f8700d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:19:05, skipping insertion in model container [2023-12-02 15:19:05,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:32" (2/3) ... [2023-12-02 15:19:05,272 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f8700d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:19:05, skipping insertion in model container [2023-12-02 15:19:05,272 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:19:05" (3/3) ... [2023-12-02 15:19:05,273 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--scsi--mpt2sas--mpt2sas.ko-ldv_main4_sequence_infinite_withcheck_stateful.cil.out.i [2023-12-02 15:19:05,293 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:19:05,294 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:19:05,434 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:19:05,441 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;@732bc63c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:19:05,441 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:19:05,468 INFO L276 IsEmpty]: Start isEmpty. Operand has 5069 states, 3149 states have (on average 1.336614798348682) internal successors, (4209), 3275 states have internal predecessors, (4209), 1671 states have call successors, (1671), 248 states have call predecessors, (1671), 248 states have return successors, (1671), 1625 states have call predecessors, (1671), 1671 states have call successors, (1671) [2023-12-02 15:19:05,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 15:19:05,475 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:19:05,476 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:19:05,476 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:19:05,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:19:05,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1296549731, now seen corresponding path program 1 times [2023-12-02 15:19:05,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:19:05,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420749732] [2023-12-02 15:19:05,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:19:05,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:19:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:19:06,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:19:06,637 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:19:06,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420749732] [2023-12-02 15:19:06,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420749732] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:19:06,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:19:06,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:19:06,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873386658] [2023-12-02 15:19:06,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:19:06,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:19:06,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:19:06,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:19:06,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:19:06,688 INFO L87 Difference]: Start difference. First operand has 5069 states, 3149 states have (on average 1.336614798348682) internal successors, (4209), 3275 states have internal predecessors, (4209), 1671 states have call successors, (1671), 248 states have call predecessors, (1671), 248 states have return successors, (1671), 1625 states have call predecessors, (1671), 1671 states have call successors, (1671) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 15:19:08,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:19:12,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:19:14,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:19:14,057 INFO L93 Difference]: Finished difference Result 10129 states and 15313 transitions. [2023-12-02 15:19:14,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:19:14,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2023-12-02 15:19:14,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:19:14,122 INFO L225 Difference]: With dead ends: 10129 [2023-12-02 15:19:14,122 INFO L226 Difference]: Without dead ends: 5056 [2023-12-02 15:19:14,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:19:14,178 INFO L413 NwaCegarLoop]: 6889 mSDtfsCounter, 7524 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7524 SdHoareTripleChecker+Valid, 6890 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-12-02 15:19:14,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7524 Valid, 6890 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 642 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2023-12-02 15:19:14,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5056 states. [2023-12-02 15:19:14,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5056 to 5056. [2023-12-02 15:19:14,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5056 states, 3140 states have (on average 1.3347133757961784) internal successors, (4191), 3262 states have internal predecessors, (4191), 1669 states have call successors, (1669), 248 states have call predecessors, (1669), 246 states have return successors, (1659), 1613 states have call predecessors, (1659), 1659 states have call successors, (1659) [2023-12-02 15:19:14,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5056 states to 5056 states and 7519 transitions. [2023-12-02 15:19:14,907 INFO L78 Accepts]: Start accepts. Automaton has 5056 states and 7519 transitions. Word has length 10 [2023-12-02 15:19:14,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:19:14,908 INFO L495 AbstractCegarLoop]: Abstraction has 5056 states and 7519 transitions. [2023-12-02 15:19:14,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 15:19:14,908 INFO L276 IsEmpty]: Start isEmpty. Operand 5056 states and 7519 transitions. [2023-12-02 15:19:14,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 15:19:14,909 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:19:14,910 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:19:14,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 15:19:14,910 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:19:14,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:19:14,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1535390268, now seen corresponding path program 1 times [2023-12-02 15:19:14,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:19:14,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191229431] [2023-12-02 15:19:14,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:19:14,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:19:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:19:15,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:19:15,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:19:15,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191229431] [2023-12-02 15:19:15,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191229431] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:19:15,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:19:15,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:19:15,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459187046] [2023-12-02 15:19:15,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:19:15,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:19:15,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:19:15,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:19:15,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:19:15,600 INFO L87 Difference]: Start difference. First operand 5056 states and 7519 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 15:19:17,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:19:19,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:19:23,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:19:25,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:19:25,775 INFO L93 Difference]: Finished difference Result 12883 states and 19401 transitions. [2023-12-02 15:19:25,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:19:25,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-12-02 15:19:25,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:19:25,834 INFO L225 Difference]: With dead ends: 12883 [2023-12-02 15:19:25,834 INFO L226 Difference]: Without dead ends: 7831 [2023-12-02 15:19:25,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:19:25,869 INFO L413 NwaCegarLoop]: 10326 mSDtfsCounter, 6024 mSDsluCounter, 4987 mSDsCounter, 0 mSdLazyCounter, 1515 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6024 SdHoareTripleChecker+Valid, 15313 SdHoareTripleChecker+Invalid, 1525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1515 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:19:25,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6024 Valid, 15313 Invalid, 1525 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1515 Invalid, 1 Unknown, 0 Unchecked, 9.6s Time] [2023-12-02 15:19:25,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7831 states. [2023-12-02 15:19:26,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7831 to 7826. [2023-12-02 15:19:26,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7826 states, 4843 states have (on average 1.3268635143506091) internal successors, (6426), 5060 states have internal predecessors, (6426), 2560 states have call successors, (2560), 447 states have call predecessors, (2560), 422 states have return successors, (2607), 2437 states have call predecessors, (2607), 2543 states have call successors, (2607) [2023-12-02 15:19:26,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7826 states to 7826 states and 11593 transitions. [2023-12-02 15:19:26,484 INFO L78 Accepts]: Start accepts. Automaton has 7826 states and 11593 transitions. Word has length 11 [2023-12-02 15:19:26,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:19:26,485 INFO L495 AbstractCegarLoop]: Abstraction has 7826 states and 11593 transitions. [2023-12-02 15:19:26,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 15:19:26,485 INFO L276 IsEmpty]: Start isEmpty. Operand 7826 states and 11593 transitions. [2023-12-02 15:19:26,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 15:19:26,486 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:19:26,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:19:26,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 15:19:26,486 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:19:26,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:19:26,487 INFO L85 PathProgramCache]: Analyzing trace with hash 349517190, now seen corresponding path program 1 times [2023-12-02 15:19:26,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:19:26,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222462634] [2023-12-02 15:19:26,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:19:26,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:19:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:19:27,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:19:27,119 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:19:27,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222462634] [2023-12-02 15:19:27,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222462634] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:19:27,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:19:27,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:19:27,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908243430] [2023-12-02 15:19:27,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:19:27,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:19:27,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:19:27,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:19:27,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:19:27,122 INFO L87 Difference]: Start difference. First operand 7826 states and 11593 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 15:19:30,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:19:33,080 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 [] [2023-12-02 15:19:33,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:19:33,743 INFO L93 Difference]: Finished difference Result 7828 states and 11594 transitions. [2023-12-02 15:19:33,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:19:33,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-12-02 15:19:33,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:19:33,788 INFO L225 Difference]: With dead ends: 7828 [2023-12-02 15:19:33,788 INFO L226 Difference]: Without dead ends: 7825 [2023-12-02 15:19:33,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:19:33,795 INFO L413 NwaCegarLoop]: 6876 mSDtfsCounter, 7508 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7508 SdHoareTripleChecker+Valid, 6877 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:19:33,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7508 Valid, 6877 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 641 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2023-12-02 15:19:33,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7825 states. [2023-12-02 15:19:34,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7825 to 7825. [2023-12-02 15:19:34,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7825 states, 4843 states have (on average 1.3266570307660541) internal successors, (6425), 5059 states have internal predecessors, (6425), 2559 states have call successors, (2559), 447 states have call predecessors, (2559), 422 states have return successors, (2607), 2437 states have call predecessors, (2607), 2543 states have call successors, (2607) [2023-12-02 15:19:34,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7825 states to 7825 states and 11591 transitions. [2023-12-02 15:19:34,237 INFO L78 Accepts]: Start accepts. Automaton has 7825 states and 11591 transitions. Word has length 12 [2023-12-02 15:19:34,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:19:34,237 INFO L495 AbstractCegarLoop]: Abstraction has 7825 states and 11591 transitions. [2023-12-02 15:19:34,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 15:19:34,238 INFO L276 IsEmpty]: Start isEmpty. Operand 7825 states and 11591 transitions. [2023-12-02 15:19:34,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 15:19:34,239 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:19:34,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:19:34,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 15:19:34,239 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:19:34,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:19:34,239 INFO L85 PathProgramCache]: Analyzing trace with hash -2052804993, now seen corresponding path program 1 times [2023-12-02 15:19:34,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:19:34,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750306007] [2023-12-02 15:19:34,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:19:34,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:19:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:19:34,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:19:34,695 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:19:34,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750306007] [2023-12-02 15:19:34,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750306007] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:19:34,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:19:34,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:19:34,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277006904] [2023-12-02 15:19:34,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:19:34,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:19:34,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:19:34,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:19:34,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:19:34,698 INFO L87 Difference]: Start difference. First operand 7825 states and 11591 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 15:19:36,906 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 [] [2023-12-02 15:19:41,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:19:42,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:19:45,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:19:46,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:19:51,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:19:51,346 INFO L93 Difference]: Finished difference Result 23403 states and 35886 transitions. [2023-12-02 15:19:51,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:19:51,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2023-12-02 15:19:51,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:19:51,440 INFO L225 Difference]: With dead ends: 23403 [2023-12-02 15:19:51,440 INFO L226 Difference]: Without dead ends: 15577 [2023-12-02 15:19:51,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:19:51,483 INFO L413 NwaCegarLoop]: 12181 mSDtfsCounter, 7558 mSDsluCounter, 7049 mSDsCounter, 0 mSdLazyCounter, 1750 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7558 SdHoareTripleChecker+Valid, 19230 SdHoareTripleChecker+Invalid, 1757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1750 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2023-12-02 15:19:51,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7558 Valid, 19230 Invalid, 1757 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1750 Invalid, 3 Unknown, 0 Unchecked, 15.9s Time] [2023-12-02 15:19:51,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15577 states. [2023-12-02 15:19:52,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15577 to 15552. [2023-12-02 15:19:52,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15552 states, 9624 states have (on average 1.3274106400665004) internal successors, (12775), 10052 states have internal predecessors, (12775), 5086 states have call successors, (5086), 889 states have call predecessors, (5086), 841 states have return successors, (5781), 4846 states have call predecessors, (5781), 5069 states have call successors, (5781) [2023-12-02 15:19:52,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15552 states to 15552 states and 23642 transitions. [2023-12-02 15:19:52,878 INFO L78 Accepts]: Start accepts. Automaton has 15552 states and 23642 transitions. Word has length 13 [2023-12-02 15:19:52,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:19:52,878 INFO L495 AbstractCegarLoop]: Abstraction has 15552 states and 23642 transitions. [2023-12-02 15:19:52,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-02 15:19:52,879 INFO L276 IsEmpty]: Start isEmpty. Operand 15552 states and 23642 transitions. [2023-12-02 15:19:52,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 15:19:52,882 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:19:52,883 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:19:52,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 15:19:52,883 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:19:52,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:19:52,884 INFO L85 PathProgramCache]: Analyzing trace with hash -713407341, now seen corresponding path program 1 times [2023-12-02 15:19:52,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:19:52,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993179517] [2023-12-02 15:19:52,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:19:52,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:19:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:19:54,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:19:54,745 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:19:54,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993179517] [2023-12-02 15:19:54,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993179517] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:19:54,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:19:54,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:19:54,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58215101] [2023-12-02 15:19:54,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:19:54,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:19:54,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:19:54,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:19:54,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:19:54,747 INFO L87 Difference]: Start difference. First operand 15552 states and 23642 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 15:19:56,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:20:02,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:20:04,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:20:06,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:20:08,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:20:08,843 INFO L93 Difference]: Finished difference Result 31116 states and 47328 transitions. [2023-12-02 15:20:08,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:20:08,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2023-12-02 15:20:08,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:20:08,899 INFO L225 Difference]: With dead ends: 31116 [2023-12-02 15:20:08,899 INFO L226 Difference]: Without dead ends: 15568 [2023-12-02 15:20:08,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:20:08,962 INFO L413 NwaCegarLoop]: 6876 mSDtfsCounter, 3 mSDsluCounter, 13750 mSDsCounter, 0 mSdLazyCounter, 1922 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 20626 SdHoareTripleChecker+Invalid, 1924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1922 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:20:08,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 20626 Invalid, 1924 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1922 Invalid, 2 Unknown, 0 Unchecked, 13.4s Time] [2023-12-02 15:20:08,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15568 states. [2023-12-02 15:20:10,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15568 to 15568. [2023-12-02 15:20:10,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15568 states, 9636 states have (on average 1.327002905770029) internal successors, (12787), 10068 states have internal predecessors, (12787), 5086 states have call successors, (5086), 889 states have call predecessors, (5086), 845 states have return successors, (5789), 4846 states have call predecessors, (5789), 5069 states have call successors, (5789) [2023-12-02 15:20:10,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15568 states to 15568 states and 23662 transitions. [2023-12-02 15:20:10,108 INFO L78 Accepts]: Start accepts. Automaton has 15568 states and 23662 transitions. Word has length 52 [2023-12-02 15:20:10,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:20:10,108 INFO L495 AbstractCegarLoop]: Abstraction has 15568 states and 23662 transitions. [2023-12-02 15:20:10,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-02 15:20:10,108 INFO L276 IsEmpty]: Start isEmpty. Operand 15568 states and 23662 transitions. [2023-12-02 15:20:10,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 15:20:10,111 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:20:10,112 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:20:10,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 15:20:10,112 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:20:10,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:20:10,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1840226318, now seen corresponding path program 1 times [2023-12-02 15:20:10,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:20:10,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531734738] [2023-12-02 15:20:10,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:20:10,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:20:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:20:12,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:20:12,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:20:12,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531734738] [2023-12-02 15:20:12,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531734738] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:20:12,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:20:12,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:20:12,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024592207] [2023-12-02 15:20:12,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:20:12,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:20:12,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:20:12,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:20:12,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:20:12,018 INFO L87 Difference]: Start difference. First operand 15568 states and 23662 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-02 15:20:13,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:20:17,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:20:19,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:20:21,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:20:23,403 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 [] [2023-12-02 15:20:26,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:20:26,119 INFO L93 Difference]: Finished difference Result 31144 states and 47350 transitions. [2023-12-02 15:20:26,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:20:26,120 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 56 [2023-12-02 15:20:26,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:20:26,178 INFO L225 Difference]: With dead ends: 31144 [2023-12-02 15:20:26,178 INFO L226 Difference]: Without dead ends: 15580 [2023-12-02 15:20:26,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:20:26,229 INFO L413 NwaCegarLoop]: 6883 mSDtfsCounter, 21 mSDsluCounter, 13636 mSDsCounter, 0 mSdLazyCounter, 1992 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 20519 SdHoareTripleChecker+Invalid, 1995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1992 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:20:26,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 20519 Invalid, 1995 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1992 Invalid, 3 Unknown, 0 Unchecked, 13.4s Time] [2023-12-02 15:20:26,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15580 states. [2023-12-02 15:20:27,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15580 to 15580. [2023-12-02 15:20:27,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15580 states, 9642 states have (on average 1.3265919933623729) internal successors, (12791), 10076 states have internal predecessors, (12791), 5090 states have call successors, (5090), 889 states have call predecessors, (5090), 847 states have return successors, (5801), 4850 states have call predecessors, (5801), 5073 states have call successors, (5801) [2023-12-02 15:20:27,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15580 states to 15580 states and 23682 transitions. [2023-12-02 15:20:27,447 INFO L78 Accepts]: Start accepts. Automaton has 15580 states and 23682 transitions. Word has length 56 [2023-12-02 15:20:27,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:20:27,448 INFO L495 AbstractCegarLoop]: Abstraction has 15580 states and 23682 transitions. [2023-12-02 15:20:27,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-02 15:20:27,448 INFO L276 IsEmpty]: Start isEmpty. Operand 15580 states and 23682 transitions. [2023-12-02 15:20:27,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 15:20:27,450 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:20:27,451 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:20:27,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 15:20:27,451 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:20:27,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:20:27,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1209497057, now seen corresponding path program 1 times [2023-12-02 15:20:27,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:20:27,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528854930] [2023-12-02 15:20:27,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:20:27,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:20:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:20:29,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 15:20:29,054 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:20:29,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528854930] [2023-12-02 15:20:29,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528854930] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:20:29,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:20:29,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 15:20:29,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455579615] [2023-12-02 15:20:29,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:20:29,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 15:20:29,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:20:29,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 15:20:29,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:20:29,056 INFO L87 Difference]: Start difference. First operand 15580 states and 23682 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 4 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-12-02 15:20:30,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:20:32,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:20:34,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:20:37,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:20:38,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:20:48,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:20:50,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:21:03,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:21:03,364 INFO L93 Difference]: Finished difference Result 19068 states and 29255 transitions. [2023-12-02 15:21:03,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:21:03,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 4 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 54 [2023-12-02 15:21:03,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:21:03,425 INFO L225 Difference]: With dead ends: 19068 [2023-12-02 15:21:03,426 INFO L226 Difference]: Without dead ends: 19060 [2023-12-02 15:21:03,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-02 15:21:03,435 INFO L413 NwaCegarLoop]: 6291 mSDtfsCounter, 12800 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 10780 mSolverCounterSat, 8232 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14108 SdHoareTripleChecker+Valid, 10332 SdHoareTripleChecker+Invalid, 19014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8232 IncrementalHoareTripleChecker+Valid, 10780 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:21:03,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14108 Valid, 10332 Invalid, 19014 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8232 Valid, 10780 Invalid, 2 Unknown, 0 Unchecked, 33.0s Time] [2023-12-02 15:21:03,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19060 states. [2023-12-02 15:21:05,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19060 to 18225. [2023-12-02 15:21:05,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18225 states, 11333 states have (on average 1.3315979881761228) internal successors, (15091), 11835 states have internal predecessors, (15091), 5930 states have call successors, (5930), 905 states have call predecessors, (5930), 961 states have return successors, (6864), 5764 states have call predecessors, (6864), 5913 states have call successors, (6864) [2023-12-02 15:21:05,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18225 states to 18225 states and 27885 transitions. [2023-12-02 15:21:05,346 INFO L78 Accepts]: Start accepts. Automaton has 18225 states and 27885 transitions. Word has length 54 [2023-12-02 15:21:05,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:21:05,346 INFO L495 AbstractCegarLoop]: Abstraction has 18225 states and 27885 transitions. [2023-12-02 15:21:05,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 4 states have call successors, (10), 4 states have call predecessors, (10), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-12-02 15:21:05,347 INFO L276 IsEmpty]: Start isEmpty. Operand 18225 states and 27885 transitions. [2023-12-02 15:21:05,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 15:21:05,348 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:21:05,348 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:21:05,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 15:21:05,349 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:21:05,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:21:05,349 INFO L85 PathProgramCache]: Analyzing trace with hash 255309688, now seen corresponding path program 1 times [2023-12-02 15:21:05,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:21:05,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501519500] [2023-12-02 15:21:05,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:21:05,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:21:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:21:06,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:21:06,973 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:21:06,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501519500] [2023-12-02 15:21:06,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501519500] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:21:06,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:21:06,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:21:06,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508274676] [2023-12-02 15:21:06,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:21:06,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:21:06,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:21:06,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:21:06,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:21:06,976 INFO L87 Difference]: Start difference. First operand 18225 states and 27885 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-02 15:21:09,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:21:14,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:21:16,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:21:19,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:21:19,947 INFO L93 Difference]: Finished difference Result 36460 states and 55818 transitions. [2023-12-02 15:21:19,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:21:19,948 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 58 [2023-12-02 15:21:19,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:21:20,026 INFO L225 Difference]: With dead ends: 36460 [2023-12-02 15:21:20,026 INFO L226 Difference]: Without dead ends: 18239 [2023-12-02 15:21:20,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:21:20,091 INFO L413 NwaCegarLoop]: 6877 mSDtfsCounter, 95 mSDsluCounter, 13452 mSDsCounter, 0 mSdLazyCounter, 1971 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 20329 SdHoareTripleChecker+Invalid, 1975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1971 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:21:20,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 20329 Invalid, 1975 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1971 Invalid, 1 Unknown, 0 Unchecked, 12.0s Time] [2023-12-02 15:21:20,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18239 states. [2023-12-02 15:21:21,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18239 to 18225. [2023-12-02 15:21:21,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18225 states, 11333 states have (on average 1.331245036618724) internal successors, (15087), 11835 states have internal predecessors, (15087), 5930 states have call successors, (5930), 905 states have call predecessors, (5930), 961 states have return successors, (6864), 5764 states have call predecessors, (6864), 5913 states have call successors, (6864) [2023-12-02 15:21:21,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18225 states to 18225 states and 27881 transitions. [2023-12-02 15:21:21,659 INFO L78 Accepts]: Start accepts. Automaton has 18225 states and 27881 transitions. Word has length 58 [2023-12-02 15:21:21,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:21:21,660 INFO L495 AbstractCegarLoop]: Abstraction has 18225 states and 27881 transitions. [2023-12-02 15:21:21,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-02 15:21:21,660 INFO L276 IsEmpty]: Start isEmpty. Operand 18225 states and 27881 transitions. [2023-12-02 15:21:21,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 15:21:21,662 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:21:21,662 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:21:21,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 15:21:21,662 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:21:21,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:21:21,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1469387304, now seen corresponding path program 1 times [2023-12-02 15:21:21,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:21:21,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945235764] [2023-12-02 15:21:21,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:21:21,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:21:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:21:25,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 15:21:25,164 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:21:25,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945235764] [2023-12-02 15:21:25,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945235764] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:21:25,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:21:25,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:21:25,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096306719] [2023-12-02 15:21:25,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:21:25,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:21:25,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:21:25,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:21:25,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:21:25,167 INFO L87 Difference]: Start difference. First operand 18225 states and 27881 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-12-02 15:21:27,583 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 [] [2023-12-02 15:21:33,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:21:35,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:21:36,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:21:42,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:21:45,024 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 [] [2023-12-02 15:21:45,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:21:45,742 INFO L93 Difference]: Finished difference Result 36505 states and 55849 transitions. [2023-12-02 15:21:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 15:21:45,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 59 [2023-12-02 15:21:45,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:21:45,810 INFO L225 Difference]: With dead ends: 36505 [2023-12-02 15:21:45,811 INFO L226 Difference]: Without dead ends: 18284 [2023-12-02 15:21:45,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:21:45,878 INFO L413 NwaCegarLoop]: 6873 mSDtfsCounter, 65 mSDsluCounter, 13182 mSDsCounter, 0 mSdLazyCounter, 2490 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 20055 SdHoareTripleChecker+Invalid, 2494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2490 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:21:45,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 20055 Invalid, 2494 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2490 Invalid, 4 Unknown, 0 Unchecked, 19.6s Time] [2023-12-02 15:21:45,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18284 states. [2023-12-02 15:21:47,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18284 to 18283. [2023-12-02 15:21:47,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18283 states, 11369 states have (on average 1.3309877737707803) internal successors, (15132), 11871 states have internal predecessors, (15132), 5945 states have call successors, (5945), 912 states have call predecessors, (5945), 968 states have return successors, (6881), 5779 states have call predecessors, (6881), 5928 states have call successors, (6881) [2023-12-02 15:21:47,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18283 states to 18283 states and 27958 transitions. [2023-12-02 15:21:47,523 INFO L78 Accepts]: Start accepts. Automaton has 18283 states and 27958 transitions. Word has length 59 [2023-12-02 15:21:47,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:21:47,523 INFO L495 AbstractCegarLoop]: Abstraction has 18283 states and 27958 transitions. [2023-12-02 15:21:47,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2023-12-02 15:21:47,523 INFO L276 IsEmpty]: Start isEmpty. Operand 18283 states and 27958 transitions. [2023-12-02 15:21:47,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 15:21:47,525 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:21:47,525 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:21:47,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 15:21:47,525 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:21:47,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:21:47,526 INFO L85 PathProgramCache]: Analyzing trace with hash 2139471827, now seen corresponding path program 1 times [2023-12-02 15:21:47,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:21:47,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740276976] [2023-12-02 15:21:47,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:21:47,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:21:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:21:55,159 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-02 15:21:55,159 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:21:55,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740276976] [2023-12-02 15:21:55,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740276976] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:21:55,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746114901] [2023-12-02 15:21:55,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:21:55,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:21:55,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:21:55,167 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:21:55,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:21:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:21:57,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 10871 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 15:21:57,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:21:57,736 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-02 15:21:57,736 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:21:57,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746114901] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:21:57,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 15:21:57,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2023-12-02 15:21:57,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879496607] [2023-12-02 15:21:57,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:21:57,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:21:57,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:21:57,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:21:57,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2023-12-02 15:21:57,738 INFO L87 Difference]: Start difference. First operand 18283 states and 27958 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-12-02 15:22:06,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:22:08,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:22:10,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:22:11,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:22:13,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:22:17,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:22:17,623 INFO L93 Difference]: Finished difference Result 43010 states and 67011 transitions. [2023-12-02 15:22:17,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 15:22:17,623 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 95 [2023-12-02 15:22:17,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:22:17,704 INFO L225 Difference]: With dead ends: 43010 [2023-12-02 15:22:17,704 INFO L226 Difference]: Without dead ends: 24789 [2023-12-02 15:22:17,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2023-12-02 15:22:17,785 INFO L413 NwaCegarLoop]: 7110 mSDtfsCounter, 5652 mSDsluCounter, 11359 mSDsCounter, 0 mSdLazyCounter, 4357 mSolverCounterSat, 238 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5652 SdHoareTripleChecker+Valid, 18469 SdHoareTripleChecker+Invalid, 4596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 4357 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:22:17,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5652 Valid, 18469 Invalid, 4596 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [238 Valid, 4357 Invalid, 1 Unknown, 0 Unchecked, 18.5s Time] [2023-12-02 15:22:17,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24789 states. [2023-12-02 15:22:19,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24789 to 24747. [2023-12-02 15:22:19,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24747 states, 15387 states have (on average 1.3321635146552284) internal successors, (20498), 16110 states have internal predecessors, (20498), 8034 states have call successors, (8034), 1310 states have call predecessors, (8034), 1325 states have return successors, (8950), 7710 states have call predecessors, (8950), 7946 states have call successors, (8950) [2023-12-02 15:22:20,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24747 states to 24747 states and 37482 transitions. [2023-12-02 15:22:20,118 INFO L78 Accepts]: Start accepts. Automaton has 24747 states and 37482 transitions. Word has length 95 [2023-12-02 15:22:20,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:22:20,119 INFO L495 AbstractCegarLoop]: Abstraction has 24747 states and 37482 transitions. [2023-12-02 15:22:20,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-12-02 15:22:20,119 INFO L276 IsEmpty]: Start isEmpty. Operand 24747 states and 37482 transitions. [2023-12-02 15:22:20,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 15:22:20,121 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:22:20,121 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:22:20,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:22:20,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:22:20,322 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:22:20,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:22:20,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1829026757, now seen corresponding path program 1 times [2023-12-02 15:22:20,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:22:20,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587805401] [2023-12-02 15:22:20,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:22:20,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:22:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:22:26,121 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-02 15:22:26,121 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:22:26,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587805401] [2023-12-02 15:22:26,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587805401] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:22:26,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105386846] [2023-12-02 15:22:26,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:22:26,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:22:26,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:22:26,122 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:22:26,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 15:22:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:22:28,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 10809 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 15:22:28,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:22:28,654 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-12-02 15:22:28,654 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:22:28,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105386846] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:22:28,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 15:22:28,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 17 [2023-12-02 15:22:28,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415383403] [2023-12-02 15:22:28,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:22:28,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 15:22:28,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:22:28,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 15:22:28,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2023-12-02 15:22:28,656 INFO L87 Difference]: Start difference. First operand 24747 states and 37482 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 15:22:32,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:22:34,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:22:36,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:22:38,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:22:39,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:22:47,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:22:49,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:22:52,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:23:05,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:23:05,099 INFO L93 Difference]: Finished difference Result 24958 states and 37768 transitions. [2023-12-02 15:23:05,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 15:23:05,099 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 1 states have call successors, (11) Word has length 94 [2023-12-02 15:23:05,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:23:05,175 INFO L225 Difference]: With dead ends: 24958 [2023-12-02 15:23:05,175 INFO L226 Difference]: Without dead ends: 24950 [2023-12-02 15:23:05,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2023-12-02 15:23:05,188 INFO L413 NwaCegarLoop]: 10202 mSDtfsCounter, 6390 mSDsluCounter, 26723 mSDsCounter, 0 mSdLazyCounter, 13429 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6500 SdHoareTripleChecker+Valid, 36925 SdHoareTripleChecker+Invalid, 13439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 13429 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.0s IncrementalHoareTripleChecker+Time [2023-12-02 15:23:05,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6500 Valid, 36925 Invalid, 13439 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8 Valid, 13429 Invalid, 2 Unknown, 0 Unchecked, 35.0s Time] [2023-12-02 15:23:05,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24950 states. [2023-12-02 15:23:07,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24950 to 24875. [2023-12-02 15:23:07,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24875 states, 15471 states have (on average 1.332105229138388) internal successors, (20609), 16194 states have internal predecessors, (20609), 8064 states have call successors, (8064), 1324 states have call predecessors, (8064), 1339 states have return successors, (9000), 7740 states have call predecessors, (9000), 7976 states have call successors, (9000) [2023-12-02 15:23:07,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24875 states to 24875 states and 37673 transitions. [2023-12-02 15:23:07,553 INFO L78 Accepts]: Start accepts. Automaton has 24875 states and 37673 transitions. Word has length 94 [2023-12-02 15:23:07,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:23:07,553 INFO L495 AbstractCegarLoop]: Abstraction has 24875 states and 37673 transitions. [2023-12-02 15:23:07,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 15:23:07,553 INFO L276 IsEmpty]: Start isEmpty. Operand 24875 states and 37673 transitions. [2023-12-02 15:23:07,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-02 15:23:07,555 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:23:07,555 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:23:07,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 15:23:07,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-02 15:23:07,756 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:23:07,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:23:07,756 INFO L85 PathProgramCache]: Analyzing trace with hash 693673826, now seen corresponding path program 1 times [2023-12-02 15:23:07,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:23:07,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114515582] [2023-12-02 15:23:07,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:23:07,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:23:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:23:09,034 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-12-02 15:23:09,035 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:23:09,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114515582] [2023-12-02 15:23:09,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114515582] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:23:09,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:23:09,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 15:23:09,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848167051] [2023-12-02 15:23:09,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:23:09,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 15:23:09,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:23:09,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 15:23:09,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-02 15:23:09,037 INFO L87 Difference]: Start difference. First operand 24875 states and 37673 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-02 15:23:10,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:23:22,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:23:22,893 INFO L93 Difference]: Finished difference Result 38585 states and 58192 transitions. [2023-12-02 15:23:22,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 15:23:22,894 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 96 [2023-12-02 15:23:22,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:23:22,936 INFO L225 Difference]: With dead ends: 38585 [2023-12-02 15:23:22,936 INFO L226 Difference]: Without dead ends: 13772 [2023-12-02 15:23:23,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-02 15:23:23,014 INFO L413 NwaCegarLoop]: 7905 mSDtfsCounter, 10142 mSDsluCounter, 13212 mSDsCounter, 0 mSdLazyCounter, 2250 mSolverCounterSat, 4138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10142 SdHoareTripleChecker+Valid, 21117 SdHoareTripleChecker+Invalid, 6388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4138 IncrementalHoareTripleChecker+Valid, 2250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:23:23,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10142 Valid, 21117 Invalid, 6388 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4138 Valid, 2250 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2023-12-02 15:23:23,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13772 states. [2023-12-02 15:23:23,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13772 to 7257. [2023-12-02 15:23:23,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7257 states, 4522 states have (on average 1.3286156567890315) internal successors, (6008), 4752 states have internal predecessors, (6008), 2279 states have call successors, (2279), 490 states have call predecessors, (2279), 455 states have return successors, (2337), 2119 states have call predecessors, (2337), 2194 states have call successors, (2337) [2023-12-02 15:23:23,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7257 states to 7257 states and 10624 transitions. [2023-12-02 15:23:23,956 INFO L78 Accepts]: Start accepts. Automaton has 7257 states and 10624 transitions. Word has length 96 [2023-12-02 15:23:23,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:23:23,956 INFO L495 AbstractCegarLoop]: Abstraction has 7257 states and 10624 transitions. [2023-12-02 15:23:23,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-02 15:23:23,957 INFO L276 IsEmpty]: Start isEmpty. Operand 7257 states and 10624 transitions. [2023-12-02 15:23:23,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-12-02 15:23:23,961 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:23:23,961 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:23:23,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-02 15:23:23,961 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:23:23,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:23:23,964 INFO L85 PathProgramCache]: Analyzing trace with hash 959689593, now seen corresponding path program 1 times [2023-12-02 15:23:23,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:23:23,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344448053] [2023-12-02 15:23:23,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:23:23,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:23:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:23:24,510 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-12-02 15:23:24,510 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:23:24,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344448053] [2023-12-02 15:23:24,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344448053] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:23:24,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:23:24,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:23:24,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134965552] [2023-12-02 15:23:24,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:23:24,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:23:24,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:23:24,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:23:24,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:23:24,512 INFO L87 Difference]: Start difference. First operand 7257 states and 10624 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 15:23:26,717 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 [] [2023-12-02 15:23:28,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:23:31,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:23:32,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:23:32,356 INFO L93 Difference]: Finished difference Result 14456 states and 21191 transitions. [2023-12-02 15:23:32,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:23:32,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 122 [2023-12-02 15:23:32,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:23:32,377 INFO L225 Difference]: With dead ends: 14456 [2023-12-02 15:23:32,377 INFO L226 Difference]: Without dead ends: 7261 [2023-12-02 15:23:32,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:23:32,395 INFO L413 NwaCegarLoop]: 4411 mSDtfsCounter, 2 mSDsluCounter, 4408 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8819 SdHoareTripleChecker+Invalid, 928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:23:32,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8819 Invalid, 928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 926 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2023-12-02 15:23:32,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7261 states. [2023-12-02 15:23:32,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7261 to 7259. [2023-12-02 15:23:32,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7259 states, 4524 states have (on average 1.3284703801945181) internal successors, (6010), 4754 states have internal predecessors, (6010), 2279 states have call successors, (2279), 490 states have call predecessors, (2279), 455 states have return successors, (2337), 2119 states have call predecessors, (2337), 2194 states have call successors, (2337) [2023-12-02 15:23:32,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7259 states to 7259 states and 10626 transitions. [2023-12-02 15:23:32,970 INFO L78 Accepts]: Start accepts. Automaton has 7259 states and 10626 transitions. Word has length 122 [2023-12-02 15:23:32,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:23:32,971 INFO L495 AbstractCegarLoop]: Abstraction has 7259 states and 10626 transitions. [2023-12-02 15:23:32,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 15:23:32,971 INFO L276 IsEmpty]: Start isEmpty. Operand 7259 states and 10626 transitions. [2023-12-02 15:23:32,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 15:23:32,976 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:23:32,976 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:23:32,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-02 15:23:32,977 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:23:32,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:23:32,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1507763937, now seen corresponding path program 1 times [2023-12-02 15:23:32,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:23:32,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338939285] [2023-12-02 15:23:32,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:23:32,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:23:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:23:33,549 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-12-02 15:23:33,549 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:23:33,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338939285] [2023-12-02 15:23:33,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338939285] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:23:33,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:23:33,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:23:33,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194340798] [2023-12-02 15:23:33,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:23:33,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:23:33,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:23:33,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:23:33,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:23:33,551 INFO L87 Difference]: Start difference. First operand 7259 states and 10626 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 15:23:35,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:23:36,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:23:41,062 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 [] [2023-12-02 15:23:41,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:23:41,548 INFO L93 Difference]: Finished difference Result 14458 states and 21191 transitions. [2023-12-02 15:23:41,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:23:41,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 124 [2023-12-02 15:23:41,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:23:41,571 INFO L225 Difference]: With dead ends: 14458 [2023-12-02 15:23:41,571 INFO L226 Difference]: Without dead ends: 7261 [2023-12-02 15:23:41,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:23:41,592 INFO L413 NwaCegarLoop]: 4412 mSDtfsCounter, 0 mSDsluCounter, 4409 mSDsCounter, 0 mSdLazyCounter, 924 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8821 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 924 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:23:41,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8821 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 924 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2023-12-02 15:23:41,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7261 states. [2023-12-02 15:23:42,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7261 to 7261. [2023-12-02 15:23:42,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7261 states, 4526 states have (on average 1.3283252319929297) internal successors, (6012), 4756 states have internal predecessors, (6012), 2279 states have call successors, (2279), 490 states have call predecessors, (2279), 455 states have return successors, (2337), 2119 states have call predecessors, (2337), 2194 states have call successors, (2337) [2023-12-02 15:23:42,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7261 states to 7261 states and 10628 transitions. [2023-12-02 15:23:42,167 INFO L78 Accepts]: Start accepts. Automaton has 7261 states and 10628 transitions. Word has length 124 [2023-12-02 15:23:42,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:23:42,168 INFO L495 AbstractCegarLoop]: Abstraction has 7261 states and 10628 transitions. [2023-12-02 15:23:42,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 15:23:42,168 INFO L276 IsEmpty]: Start isEmpty. Operand 7261 states and 10628 transitions. [2023-12-02 15:23:42,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-02 15:23:42,171 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:23:42,172 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:23:42,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-02 15:23:42,172 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:23:42,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:23:42,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1618433821, now seen corresponding path program 1 times [2023-12-02 15:23:42,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:23:42,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836409712] [2023-12-02 15:23:42,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:23:42,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:23:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:23:42,866 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-12-02 15:23:42,867 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:23:42,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836409712] [2023-12-02 15:23:42,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836409712] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:23:42,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72305017] [2023-12-02 15:23:42,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:23:42,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:23:42,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:23:42,868 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:23:42,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cacb46d6-f26c-4815-b45e-00fda38e4940/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 15:23:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:23:45,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 11022 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:23:45,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:23:45,263 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-12-02 15:23:45,263 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:23:45,365 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-12-02 15:23:45,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72305017] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:23:45,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [407364123] [2023-12-02 15:23:45,386 INFO L159 IcfgInterpreter]: Started Sifa with 82 locations of interest [2023-12-02 15:23:45,386 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 15:23:45,389 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 15:23:45,393 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 15:23:45,393 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs