./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ips.ko-entry_point.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_b0737ecc-8975-43a2-8217-b58fee45a5cc/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0737ecc-8975-43a2-8217-b58fee45a5cc/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_b0737ecc-8975-43a2-8217-b58fee45a5cc/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0737ecc-8975-43a2-8217-b58fee45a5cc/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ips.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0737ecc-8975-43a2-8217-b58fee45a5cc/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_b0737ecc-8975-43a2-8217-b58fee45a5cc/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 4a4f053d4c8e05b05b5c7887f5d3a3e872b1a59439c17cfd3f803da6611a851a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:49:44,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:49:44,270 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0737ecc-8975-43a2-8217-b58fee45a5cc/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-12-02 15:49:44,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:49:44,277 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:49:44,309 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:49:44,309 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:49:44,310 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:49:44,311 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:49:44,311 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:49:44,312 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:49:44,312 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:49:44,313 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:49:44,313 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:49:44,314 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:49:44,314 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:49:44,315 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:49:44,315 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:49:44,316 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:49:44,316 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:49:44,317 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:49:44,317 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:49:44,318 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:49:44,319 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:49:44,319 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:49:44,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:49:44,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:49:44,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:49:44,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:49:44,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:49:44,321 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:49:44,322 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:49:44,322 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:49:44,323 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:49:44,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:49:44,323 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:49:44,323 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:49:44,323 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:49:44,324 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:49:44,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:49:44,324 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:49:44,324 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:49:44,325 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:49:44,325 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:49:44,325 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_b0737ecc-8975-43a2-8217-b58fee45a5cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0737ecc-8975-43a2-8217-b58fee45a5cc/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a4f053d4c8e05b05b5c7887f5d3a3e872b1a59439c17cfd3f803da6611a851a [2023-12-02 15:49:44,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:49:44,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:49:44,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:49:44,587 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:49:44,588 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:49:44,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0737ecc-8975-43a2-8217-b58fee45a5cc/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ips.ko-entry_point.cil.out.i [2023-12-02 15:49:47,371 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:49:47,856 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:49:47,856 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0737ecc-8975-43a2-8217-b58fee45a5cc/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ips.ko-entry_point.cil.out.i [2023-12-02 15:49:47,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0737ecc-8975-43a2-8217-b58fee45a5cc/bin/utaipan-verify-nQ1chXbOIh/data/3e7f2e746/3a8f761cf21e4d1eb843b9f45742b2bf/FLAG6b9afa4bb [2023-12-02 15:49:47,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0737ecc-8975-43a2-8217-b58fee45a5cc/bin/utaipan-verify-nQ1chXbOIh/data/3e7f2e746/3a8f761cf21e4d1eb843b9f45742b2bf [2023-12-02 15:49:47,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:49:47,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:49:47,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:49:47,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:49:47,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:49:47,913 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:49:47" (1/1) ... [2023-12-02 15:49:47,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41eeaeb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:47, skipping insertion in model container [2023-12-02 15:49:47,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:49:47" (1/1) ... [2023-12-02 15:49:48,051 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:49:50,240 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_b0737ecc-8975-43a2-8217-b58fee45a5cc/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ips.ko-entry_point.cil.out.i[368085,368098] [2023-12-02 15:49:50,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:49:50,350 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:49:50,473 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 %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5094-5095] [2023-12-02 15:49:50,474 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, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5103-5104] [2023-12-02 15:49:50,475 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [5111] [2023-12-02 15:49:50,478 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5242] [2023-12-02 15:49:50,478 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5245] [2023-12-02 15:49:50,478 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5248] [2023-12-02 15:49:50,479 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5251] [2023-12-02 15:49:50,480 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (831), "i" (12UL)); [5286-5287] [2023-12-02 15:49:50,480 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" (43UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5292-5294] [2023-12-02 15:49:50,481 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (836), "i" (12UL)); [5316-5317] [2023-12-02 15:49:50,481 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.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [5322-5324] [2023-12-02 15:49:50,482 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 *)"./arch/x86/include/asm/paravirt.h"), "i" (841), "i" (12UL)); [5345-5346] [2023-12-02 15:49:50,482 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" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [5351-5353] [2023-12-02 15:49:50,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [5383] [2023-12-02 15:49:50,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [5386] [2023-12-02 15:49:50,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [5388] [2023-12-02 15:49:50,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [5393] [2023-12-02 15:49:50,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [5396] [2023-12-02 15:49:50,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [5398] [2023-12-02 15:49:50,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [5403] [2023-12-02 15:49:50,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [5406] [2023-12-02 15:49:50,485 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [5408] [2023-12-02 15:49:50,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [5413] [2023-12-02 15:49:50,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [5416] [2023-12-02 15:49:50,486 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [5418] [2023-12-02 15:49:50,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [5436] [2023-12-02 15:49:50,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [5439] [2023-12-02 15:49:50,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [5441] [2023-12-02 15:49:50,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [5446] [2023-12-02 15:49:50,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [5449] [2023-12-02 15:49:50,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [5451] [2023-12-02 15:49:50,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [5456] [2023-12-02 15:49:50,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [5459] [2023-12-02 15:49:50,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [5461] [2023-12-02 15:49:50,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [5466] [2023-12-02 15:49:50,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [5469] [2023-12-02 15:49:50,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [5471] [2023-12-02 15:49:50,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [5531] [2023-12-02 15:49:50,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [5539] [2023-12-02 15:49:50,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [5546] [2023-12-02 15:49:50,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [5553] [2023-12-02 15:49:50,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [5570] [2023-12-02 15:49:50,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [5578] [2023-12-02 15:49:50,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [5585] [2023-12-02 15:49:50,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [5592] [2023-12-02 15:49:50,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [5600] [2023-12-02 15:49:50,499 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/scatterlist.h"), "i" (123), "i" (12UL)); [5709-5710] [2023-12-02 15:49:50,500 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/scatterlist.h"), "i" (124), "i" (12UL)); [5717-5718] [2023-12-02 15:49:50,502 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)); [5777-5778] [2023-12-02 15:49:50,504 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)); [5806-5807] [2023-12-02 15:49:50,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5949] [2023-12-02 15:49:50,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5956] [2023-12-02 15:49:50,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5966] [2023-12-02 15:49:50,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [5976] [2023-12-02 15:49:50,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/3517/dscv_tempdir/dscv/ri/43_2a/drivers/scsi/ips.c"), "i" (662), "i" (12UL)); [6523-6524] [2023-12-02 15:49:50,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/3517/dscv_tempdir/dscv/ri/43_2a/drivers/scsi/ips.c"), "i" (2677), "i" (12UL)); [8244-8245] [2023-12-02 15:49:51,179 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_b0737ecc-8975-43a2-8217-b58fee45a5cc/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ips.ko-entry_point.cil.out.i[368085,368098] [2023-12-02 15:49:51,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:49:51,265 WARN L675 CHandler]: The function strcat is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:49:51,265 WARN L675 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:49:51,266 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:49:51,266 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 15:49:51,271 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:49:51,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:51 WrapperNode [2023-12-02 15:49:51,272 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:49:51,273 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:49:51,273 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:49:51,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:49:51,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:51" (1/1) ... [2023-12-02 15:49:51,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:51" (1/1) ... [2023-12-02 15:49:51,594 INFO L138 Inliner]: procedures = 329, calls = 4573, calls flagged for inlining = 148, calls inlined = 145, statements flattened = 9672 [2023-12-02 15:49:51,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:49:51,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:49:51,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:49:51,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:49:51,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:51" (1/1) ... [2023-12-02 15:49:51,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:51" (1/1) ... [2023-12-02 15:49:51,650 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:51" (1/1) ... [2023-12-02 15:49:51,651 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:51" (1/1) ... [2023-12-02 15:49:51,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:51" (1/1) ... [2023-12-02 15:49:51,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:51" (1/1) ... [2023-12-02 15:49:51,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:51" (1/1) ... [2023-12-02 15:49:51,993 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:51" (1/1) ... [2023-12-02 15:49:52,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:49:52,064 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:49:52,064 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:49:52,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:49:52,065 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:51" (1/1) ... [2023-12-02 15:49:52,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:49:52,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0737ecc-8975-43a2-8217-b58fee45a5cc/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:49:52,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0737ecc-8975-43a2-8217-b58fee45a5cc/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:49:52,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0737ecc-8975-43a2-8217-b58fee45a5cc/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:49:52,138 INFO L130 BoogieDeclarations]: Found specification of procedure ips_detect [2023-12-02 15:49:52,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_detect [2023-12-02 15:49:52,139 INFO L130 BoogieDeclarations]: Found specification of procedure ips_done [2023-12-02 15:49:52,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_done [2023-12-02 15:49:52,139 INFO L130 BoogieDeclarations]: Found specification of procedure ips_removeq_copp [2023-12-02 15:49:52,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_removeq_copp [2023-12-02 15:49:52,139 INFO L130 BoogieDeclarations]: Found specification of procedure ips_eh_abort [2023-12-02 15:49:52,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_eh_abort [2023-12-02 15:49:52,140 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-12-02 15:49:52,140 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-12-02 15:49:52,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-12-02 15:49:52,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-12-02 15:49:52,140 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-12-02 15:49:52,140 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-12-02 15:49:52,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-12-02 15:49:52,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-12-02 15:49:52,141 INFO L130 BoogieDeclarations]: Found specification of procedure ips_send_cmd [2023-12-02 15:49:52,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_send_cmd [2023-12-02 15:49:52,141 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2023-12-02 15:49:52,141 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2023-12-02 15:49:52,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-12-02 15:49:52,141 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-12-02 15:49:52,141 INFO L130 BoogieDeclarations]: Found specification of procedure ips_allocatescbs [2023-12-02 15:49:52,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_allocatescbs [2023-12-02 15:49:52,142 INFO L130 BoogieDeclarations]: Found specification of procedure do_ipsintr [2023-12-02 15:49:52,142 INFO L138 BoogieDeclarations]: Found implementation of procedure do_ipsintr [2023-12-02 15:49:52,142 INFO L130 BoogieDeclarations]: Found specification of procedure ips_intr_copperhead [2023-12-02 15:49:52,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_intr_copperhead [2023-12-02 15:49:52,142 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2023-12-02 15:49:52,142 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2023-12-02 15:49:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure le32_add_cpu [2023-12-02 15:49:52,143 INFO L138 BoogieDeclarations]: Found implementation of procedure le32_add_cpu [2023-12-02 15:49:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-12-02 15:49:52,143 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-12-02 15:49:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure ips_freescb [2023-12-02 15:49:52,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_freescb [2023-12-02 15:49:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-12-02 15:49:52,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-12-02 15:49:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure ips_free_flash_copperhead [2023-12-02 15:49:52,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_free_flash_copperhead [2023-12-02 15:49:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-12-02 15:49:52,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-12-02 15:49:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure ips_isintr_morpheus [2023-12-02 15:49:52,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_isintr_morpheus [2023-12-02 15:49:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure ips_removeq_scb_head [2023-12-02 15:49:52,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_removeq_scb_head [2023-12-02 15:49:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure ips_slave_configure [2023-12-02 15:49:52,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_slave_configure [2023-12-02 15:49:52,145 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-12-02 15:49:52,145 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-12-02 15:49:52,145 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2023-12-02 15:49:52,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2023-12-02 15:49:52,145 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-12-02 15:49:52,145 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-12-02 15:49:52,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_5 [2023-12-02 15:49:52,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_5 [2023-12-02 15:49:52,146 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2023-12-02 15:49:52,146 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2023-12-02 15:49:52,146 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-12-02 15:49:52,146 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-12-02 15:49:52,146 INFO L130 BoogieDeclarations]: Found specification of procedure ips_putq_scb_head [2023-12-02 15:49:52,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_putq_scb_head [2023-12-02 15:49:52,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-12-02 15:49:52,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-12-02 15:49:52,147 INFO L130 BoogieDeclarations]: Found specification of procedure ips_hainit [2023-12-02 15:49:52,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_hainit [2023-12-02 15:49:52,147 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-12-02 15:49:52,147 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-12-02 15:49:52,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 15:49:52,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 15:49:52,148 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2023-12-02 15:49:52,148 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2023-12-02 15:49:52,148 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:49:52,148 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:49:52,148 INFO L130 BoogieDeclarations]: Found specification of procedure ips_wait [2023-12-02 15:49:52,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_wait [2023-12-02 15:49:52,149 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2023-12-02 15:49:52,149 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2023-12-02 15:49:52,149 INFO L130 BoogieDeclarations]: Found specification of procedure ips_register_scsi [2023-12-02 15:49:52,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_register_scsi [2023-12-02 15:49:52,149 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_id [2023-12-02 15:49:52,149 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_id [2023-12-02 15:49:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure ips_readwrite_page5 [2023-12-02 15:49:52,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_readwrite_page5 [2023-12-02 15:49:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-12-02 15:49:52,150 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-12-02 15:49:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure ips_flush_and_reset [2023-12-02 15:49:52,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_flush_and_reset [2023-12-02 15:49:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure ips_send_wait [2023-12-02 15:49:52,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_send_wait [2023-12-02 15:49:52,151 INFO L130 BoogieDeclarations]: Found specification of procedure ips_removeq_wait [2023-12-02 15:49:52,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_removeq_wait [2023-12-02 15:49:52,151 INFO L130 BoogieDeclarations]: Found specification of procedure ips_intr_morpheus [2023-12-02 15:49:52,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_intr_morpheus [2023-12-02 15:49:52,151 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~uint32_t~0~X~~uint32_t~0~TO~int [2023-12-02 15:49:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~uint32_t~0~X~~uint32_t~0~TO~int [2023-12-02 15:49:52,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 15:49:52,152 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-12-02 15:49:52,152 INFO L130 BoogieDeclarations]: Found specification of procedure touch_nmi_watchdog [2023-12-02 15:49:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure touch_nmi_watchdog [2023-12-02 15:49:52,152 INFO L130 BoogieDeclarations]: Found specification of procedure ips_online [2023-12-02 15:49:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_online [2023-12-02 15:49:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-12-02 15:49:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-12-02 15:49:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure ips_queue_lck [2023-12-02 15:49:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_queue_lck [2023-12-02 15:49:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 15:49:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-12-02 15:49:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-12-02 15:49:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-12-02 15:49:52,154 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-12-02 15:49:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 15:49:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 15:49:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-12-02 15:49:52,154 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-12-02 15:49:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure ips_release [2023-12-02 15:49:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_release [2023-12-02 15:49:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2023-12-02 15:49:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2023-12-02 15:49:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2023-12-02 15:49:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-12-02 15:49:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-12-02 15:49:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-12-02 15:49:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-12-02 15:49:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-12-02 15:49:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-12-02 15:49:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure ips_isinit_morpheus [2023-12-02 15:49:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_isinit_morpheus [2023-12-02 15:49:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure ips_next [2023-12-02 15:49:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_next [2023-12-02 15:49:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-12-02 15:49:52,157 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-12-02 15:49:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2023-12-02 15:49:52,157 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2023-12-02 15:49:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-12-02 15:49:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure ips_clear_adapter [2023-12-02 15:49:52,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_clear_adapter [2023-12-02 15:49:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure ips_shift_controllers [2023-12-02 15:49:52,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_shift_controllers [2023-12-02 15:49:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure ips_flash_bios [2023-12-02 15:49:52,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_flash_bios [2023-12-02 15:49:52,158 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-12-02 15:49:52,158 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-12-02 15:49:52,158 INFO L130 BoogieDeclarations]: Found specification of procedure ips_read_subsystem_parameters [2023-12-02 15:49:52,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_read_subsystem_parameters [2023-12-02 15:49:52,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 15:49:52,158 INFO L130 BoogieDeclarations]: Found specification of procedure ips_write_driver_status [2023-12-02 15:49:52,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_write_driver_status [2023-12-02 15:49:52,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 15:49:52,158 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-12-02 15:49:52,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-12-02 15:49:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure ips_removeq_copp_head [2023-12-02 15:49:52,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_removeq_copp_head [2023-12-02 15:49:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure ips_free [2023-12-02 15:49:52,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_free [2023-12-02 15:49:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2023-12-02 15:49:52,159 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2023-12-02 15:49:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure ips_init_phase2 [2023-12-02 15:49:52,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_init_phase2 [2023-12-02 15:49:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure ips_read_adapter_status [2023-12-02 15:49:52,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_read_adapter_status [2023-12-02 15:49:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure ips_init_phase1 [2023-12-02 15:49:52,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_init_phase1 [2023-12-02 15:49:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-12-02 15:49:52,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-12-02 15:49:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure ips_scmd_buf_read [2023-12-02 15:49:52,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_scmd_buf_read [2023-12-02 15:49:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure ips_abort_init [2023-12-02 15:49:52,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_abort_init [2023-12-02 15:49:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure ipsintr_done [2023-12-02 15:49:52,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ipsintr_done [2023-12-02 15:49:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure ips_deallocatescbs [2023-12-02 15:49:52,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_deallocatescbs [2023-12-02 15:49:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-12-02 15:49:52,161 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-12-02 15:49:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-12-02 15:49:52,162 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-12-02 15:49:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure ips_init_scb [2023-12-02 15:49:52,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_init_scb [2023-12-02 15:49:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure ips_insert_device [2023-12-02 15:49:52,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_insert_device [2023-12-02 15:49:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure ips_read_config [2023-12-02 15:49:52,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_read_config [2023-12-02 15:49:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure ips_ffdc_reset [2023-12-02 15:49:52,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_ffdc_reset [2023-12-02 15:49:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-12-02 15:49:52,163 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-12-02 15:49:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure ips_usrcmd [2023-12-02 15:49:52,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_usrcmd [2023-12-02 15:49:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 15:49:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-12-02 15:49:52,163 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-12-02 15:49:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure ips_make_passthru [2023-12-02 15:49:52,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_make_passthru [2023-12-02 15:49:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-12-02 15:49:52,164 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-12-02 15:49:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure ips_reset_copperhead_memio [2023-12-02 15:49:52,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_reset_copperhead_memio [2023-12-02 15:49:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2023-12-02 15:49:52,164 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2023-12-02 15:49:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure ips_removeq_wait_head [2023-12-02 15:49:52,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_removeq_wait_head [2023-12-02 15:49:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure ips_eh_reset [2023-12-02 15:49:52,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_eh_reset [2023-12-02 15:49:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure ips_getscb [2023-12-02 15:49:52,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_getscb [2023-12-02 15:49:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure ips_info [2023-12-02 15:49:52,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_info [2023-12-02 15:49:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-12-02 15:49:52,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-12-02 15:49:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2023-12-02 15:49:52,166 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2023-12-02 15:49:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2023-12-02 15:49:52,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2023-12-02 15:49:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure __ips_eh_reset [2023-12-02 15:49:52,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __ips_eh_reset [2023-12-02 15:49:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-12-02 15:49:52,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-12-02 15:49:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 15:49:52,167 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2023-12-02 15:49:52,167 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2023-12-02 15:49:52,167 INFO L130 BoogieDeclarations]: Found specification of procedure ips_scmd_buf_write [2023-12-02 15:49:52,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_scmd_buf_write [2023-12-02 15:49:52,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-12-02 15:49:52,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-12-02 15:49:52,167 INFO L130 BoogieDeclarations]: Found specification of procedure ips_fix_ffdc_time [2023-12-02 15:49:52,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_fix_ffdc_time [2023-12-02 15:49:52,168 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2023-12-02 15:49:52,168 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2023-12-02 15:49:52,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:49:52,168 INFO L130 BoogieDeclarations]: Found specification of procedure ips_reqsen [2023-12-02 15:49:52,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_reqsen [2023-12-02 15:49:52,168 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-12-02 15:49:52,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-12-02 15:49:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 15:49:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-12-02 15:49:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-12-02 15:49:52,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-12-02 15:49:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 15:49:52,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-12-02 15:49:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2023-12-02 15:49:52,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2023-12-02 15:49:52,170 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2023-12-02 15:49:52,170 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2023-12-02 15:49:52,170 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-12-02 15:49:52,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-12-02 15:49:52,170 INFO L130 BoogieDeclarations]: Found specification of procedure ips_fill_scb_sg_single [2023-12-02 15:49:52,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_fill_scb_sg_single [2023-12-02 15:49:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure ips_remove_device [2023-12-02 15:49:52,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_remove_device [2023-12-02 15:49:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure ips_show_info [2023-12-02 15:49:52,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_show_info [2023-12-02 15:49:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure ips_chkstatus [2023-12-02 15:49:52,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_chkstatus [2023-12-02 15:49:52,171 INFO L130 BoogieDeclarations]: Found specification of procedure ips_is_passthru [2023-12-02 15:49:52,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_is_passthru [2023-12-02 15:49:52,172 INFO L130 BoogieDeclarations]: Found specification of procedure ips_queue [2023-12-02 15:49:52,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_queue [2023-12-02 15:49:52,172 INFO L130 BoogieDeclarations]: Found specification of procedure ips_reset_morpheus [2023-12-02 15:49:52,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_reset_morpheus [2023-12-02 15:49:52,172 INFO L130 BoogieDeclarations]: Found specification of procedure ips_ffdc_time [2023-12-02 15:49:52,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_ffdc_time [2023-12-02 15:49:52,172 INFO L130 BoogieDeclarations]: Found specification of procedure ips_biosparam [2023-12-02 15:49:52,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_biosparam [2023-12-02 15:49:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_channel [2023-12-02 15:49:52,173 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_channel [2023-12-02 15:49:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure ips_get_bios_version [2023-12-02 15:49:52,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_get_bios_version [2023-12-02 15:49:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure ips_reset_copperhead [2023-12-02 15:49:52,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_reset_copperhead [2023-12-02 15:49:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-12-02 15:49:52,173 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-12-02 15:49:52,173 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-12-02 15:49:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-12-02 15:49:52,174 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-12-02 15:49:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-12-02 15:49:52,174 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-12-02 15:49:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-12-02 15:49:52,174 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2023-12-02 15:49:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2023-12-02 15:49:52,174 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-12-02 15:49:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-12-02 15:49:52,175 INFO L130 BoogieDeclarations]: Found specification of procedure ips_flash_copperhead [2023-12-02 15:49:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_flash_copperhead [2023-12-02 15:49:52,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:49:52,175 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-12-02 15:49:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-12-02 15:49:52,175 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-12-02 15:49:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-12-02 15:49:52,175 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-12-02 15:49:52,175 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-12-02 15:49:52,176 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-12-02 15:49:52,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:49:52,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:49:53,209 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:49:53,214 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:49:56,095 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-12-02 15:50:22,134 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:50:26,785 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:50:26,785 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-02 15:50:26,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:50:26 BoogieIcfgContainer [2023-12-02 15:50:26,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:50:26,790 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:50:26,790 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:50:26,792 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:50:26,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:49:47" (1/3) ... [2023-12-02 15:50:26,793 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86024ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:50:26, skipping insertion in model container [2023-12-02 15:50:26,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:51" (2/3) ... [2023-12-02 15:50:26,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86024ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:50:26, skipping insertion in model container [2023-12-02 15:50:26,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:50:26" (3/3) ... [2023-12-02 15:50:26,795 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ips.ko-entry_point.cil.out.i [2023-12-02 15:50:26,811 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:50:26,811 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:50:26,896 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:50:26,902 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;@530fb1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:50:26,902 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:50:26,918 INFO L276 IsEmpty]: Start isEmpty. Operand has 2685 states, 1747 states have (on average 1.3680595306239267) internal successors, (2390), 1866 states have internal predecessors, (2390), 806 states have call successors, (806), 137 states have call predecessors, (806), 136 states have return successors, (797), 785 states have call predecessors, (797), 797 states have call successors, (797) [2023-12-02 15:50:26,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-12-02 15:50:26,941 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:50:26,942 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:26,943 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:50:26,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:50:26,948 INFO L85 PathProgramCache]: Analyzing trace with hash -754227018, now seen corresponding path program 1 times [2023-12-02 15:50:26,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:50:26,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808994462] [2023-12-02 15:50:26,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:50:26,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:51:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:51:29,173 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2023-12-02 15:51:29,174 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:51:29,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808994462] [2023-12-02 15:51:29,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808994462] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:51:29,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:51:29,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:51:29,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595466804] [2023-12-02 15:51:29,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:51:29,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:51:29,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:51:29,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:51:29,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:51:29,219 INFO L87 Difference]: Start difference. First operand has 2685 states, 1747 states have (on average 1.3680595306239267) internal successors, (2390), 1866 states have internal predecessors, (2390), 806 states have call successors, (806), 137 states have call predecessors, (806), 136 states have return successors, (797), 785 states have call predecessors, (797), 797 states have call successors, (797) Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-02 15:51:31,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:51:34,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:51:36,959 WARN L539 Checker$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 15:51:38,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:51:40,856 WARN L539 Checker$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 15:51:42,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:51:44,883 WARN L539 Checker$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 15:51:46,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:51:49,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:51:51,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:51:53,121 WARN L539 Checker$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 15:51:55,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:51:57,195 WARN L539 Checker$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 15:51:59,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:52:03,154 WARN L539 Checker$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 15:52:05,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:52:07,276 WARN L539 Checker$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 15:52:09,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:52:12,941 WARN L539 Checker$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 15:52:14,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:52:16,984 WARN L539 Checker$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 15:52:19,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:52:21,093 WARN L539 Checker$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 15:52:23,103 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 15:52:24,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:52:24,418 INFO L93 Difference]: Finished difference Result 7903 states and 11995 transitions. [2023-12-02 15:52:24,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:52:24,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 144 [2023-12-02 15:52:24,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:52:24,485 INFO L225 Difference]: With dead ends: 7903 [2023-12-02 15:52:24,485 INFO L226 Difference]: Without dead ends: 5194 [2023-12-02 15:52:24,528 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 15:52:24,531 INFO L413 NwaCegarLoop]: 3688 mSDtfsCounter, 3852 mSDsluCounter, 3563 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 5 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3852 SdHoareTripleChecker+Valid, 7251 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:52:24,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3852 Valid, 7251 Invalid, 729 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 706 Invalid, 18 Unknown, 0 Unchecked, 54.7s Time] [2023-12-02 15:52:24,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5194 states. [2023-12-02 15:52:24,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5194 to 5191. [2023-12-02 15:52:24,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5191 states, 3369 states have (on average 1.3579697239536954) internal successors, (4575), 3573 states have internal predecessors, (4575), 1554 states have call successors, (1554), 268 states have call predecessors, (1554), 267 states have return successors, (1553), 1529 states have call predecessors, (1553), 1553 states have call successors, (1553) [2023-12-02 15:52:24,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5191 states to 5191 states and 7682 transitions. [2023-12-02 15:52:24,969 INFO L78 Accepts]: Start accepts. Automaton has 5191 states and 7682 transitions. Word has length 144 [2023-12-02 15:52:24,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:52:24,970 INFO L495 AbstractCegarLoop]: Abstraction has 5191 states and 7682 transitions. [2023-12-02 15:52:24,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-02 15:52:24,971 INFO L276 IsEmpty]: Start isEmpty. Operand 5191 states and 7682 transitions. [2023-12-02 15:52:24,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-12-02 15:52:24,984 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:52:24,985 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 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, 1] [2023-12-02 15:52:24,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 15:52:24,985 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:52:24,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:52:24,986 INFO L85 PathProgramCache]: Analyzing trace with hash 944266190, now seen corresponding path program 1 times [2023-12-02 15:52:24,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:52:24,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156155686] [2023-12-02 15:52:24,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:52:24,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:53:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:53:26,199 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2023-12-02 15:53:26,199 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:53:26,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156155686] [2023-12-02 15:53:26,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156155686] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:53:26,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:53:26,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 15:53:26,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653299970] [2023-12-02 15:53:26,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:53:26,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:53:26,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:53:26,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:53:26,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:53:26,203 INFO L87 Difference]: Start difference. First operand 5191 states and 7682 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-02 15:53:28,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:53:30,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:53:32,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:53:37,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:53:39,796 WARN L539 Checker$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 15:53:41,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:53:43,823 WARN L539 Checker$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 15:53:45,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:53:47,878 WARN L539 Checker$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 15:53:51,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:53:53,461 WARN L539 Checker$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 15:53:55,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:53:58,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:53:59,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:54:01,639 WARN L539 Checker$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 15:54:03,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:54:05,664 WARN L539 Checker$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 15:54:08,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:54:13,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:54:15,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:54:18,118 WARN L539 Checker$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 15:54:22,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:54:24,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:54:26,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:54:28,631 WARN L539 Checker$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 15:54:30,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:54:32,642 WARN L539 Checker$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 15:54:34,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:54:34,219 INFO L93 Difference]: Finished difference Result 10357 states and 15328 transitions. [2023-12-02 15:54:34,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 15:54:34,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 167 [2023-12-02 15:54:34,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:54:34,261 INFO L225 Difference]: With dead ends: 10357 [2023-12-02 15:54:34,261 INFO L226 Difference]: Without dead ends: 5185 [2023-12-02 15:54:34,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:54:34,292 INFO L413 NwaCegarLoop]: 3561 mSDtfsCounter, 1 mSDsluCounter, 7120 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 1 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 10681 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:54:34,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 10681 Invalid, 1045 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1022 Invalid, 22 Unknown, 0 Unchecked, 67.6s Time] [2023-12-02 15:54:34,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5185 states. [2023-12-02 15:54:34,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5185 to 5185. [2023-12-02 15:54:34,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5185 states, 3365 states have (on average 1.3578008915304607) internal successors, (4569), 3569 states have internal predecessors, (4569), 1553 states have call successors, (1553), 267 states have call predecessors, (1553), 266 states have return successors, (1552), 1528 states have call predecessors, (1552), 1552 states have call successors, (1552) [2023-12-02 15:54:34,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5185 states to 5185 states and 7674 transitions. [2023-12-02 15:54:34,499 INFO L78 Accepts]: Start accepts. Automaton has 5185 states and 7674 transitions. Word has length 167 [2023-12-02 15:54:34,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:54:34,500 INFO L495 AbstractCegarLoop]: Abstraction has 5185 states and 7674 transitions. [2023-12-02 15:54:34,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-02 15:54:34,500 INFO L276 IsEmpty]: Start isEmpty. Operand 5185 states and 7674 transitions. [2023-12-02 15:54:34,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-02 15:54:34,508 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:54:34,509 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:54:34,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 15:54:34,509 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:54:34,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:54:34,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1157142748, now seen corresponding path program 1 times [2023-12-02 15:54:34,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:54:34,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330518358] [2023-12-02 15:54:34,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:54:34,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:55:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:55:35,382 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2023-12-02 15:55:35,383 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:55:35,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330518358] [2023-12-02 15:55:35,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330518358] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:55:35,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:55:35,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:55:35,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320221231] [2023-12-02 15:55:35,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:55:35,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:55:35,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:55:35,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:55:35,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:55:35,386 INFO L87 Difference]: Start difference. First operand 5185 states and 7674 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-02 15:55:37,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:55:41,066 WARN L539 Checker$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 15:55:43,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:55:46,511 WARN L539 Checker$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 15:55:48,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:55:50,532 WARN L539 Checker$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 15:55:52,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:55:55,126 WARN L539 Checker$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 15:55:56,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:55:58,849 WARN L539 Checker$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 15:55:59,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:56:02,032 WARN L539 Checker$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 15:56:04,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:56:06,378 WARN L539 Checker$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 15:56:08,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:56:12,851 WARN L539 Checker$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 15:56:14,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:56:16,129 WARN L539 Checker$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 15:56:18,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:56:19,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:56:23,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:56:25,233 WARN L539 Checker$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 15:56:27,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:56:29,354 WARN L539 Checker$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 15:56:31,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:56:33,368 WARN L539 Checker$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 15:56:34,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:56:34,846 INFO L93 Difference]: Finished difference Result 15458 states and 22879 transitions. [2023-12-02 15:56:34,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:56:34,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 177 [2023-12-02 15:56:34,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:56:34,921 INFO L225 Difference]: With dead ends: 15458 [2023-12-02 15:56:34,921 INFO L226 Difference]: Without dead ends: 10300 [2023-12-02 15:56:34,959 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 15:56:34,960 INFO L413 NwaCegarLoop]: 3662 mSDtfsCounter, 3860 mSDsluCounter, 3517 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 2 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3860 SdHoareTripleChecker+Valid, 7179 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:56:34,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3860 Valid, 7179 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 699 Invalid, 19 Unknown, 0 Unchecked, 59.1s Time] [2023-12-02 15:56:34,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10300 states. [2023-12-02 15:56:35,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10300 to 10294. [2023-12-02 15:56:35,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10294 states, 6679 states have (on average 1.358137445725408) internal successors, (9071), 7088 states have internal predecessors, (9071), 3083 states have call successors, (3083), 532 states have call predecessors, (3083), 531 states have return successors, (3082), 3033 states have call predecessors, (3082), 3082 states have call successors, (3082) [2023-12-02 15:56:35,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10294 states to 10294 states and 15236 transitions. [2023-12-02 15:56:35,372 INFO L78 Accepts]: Start accepts. Automaton has 10294 states and 15236 transitions. Word has length 177 [2023-12-02 15:56:35,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:56:35,372 INFO L495 AbstractCegarLoop]: Abstraction has 10294 states and 15236 transitions. [2023-12-02 15:56:35,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-02 15:56:35,373 INFO L276 IsEmpty]: Start isEmpty. Operand 10294 states and 15236 transitions. [2023-12-02 15:56:35,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-12-02 15:56:35,383 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:56:35,384 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:56:35,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 15:56:35,384 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:56:35,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:56:35,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1678456281, now seen corresponding path program 1 times [2023-12-02 15:56:35,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:56:35,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197923858] [2023-12-02 15:56:35,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:56:35,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:57:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:57:38,061 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2023-12-02 15:57:38,061 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:57:38,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197923858] [2023-12-02 15:57:38,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197923858] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:57:38,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:57:38,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:57:38,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172113506] [2023-12-02 15:57:38,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:57:38,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:57:38,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:57:38,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:57:38,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:57:38,064 INFO L87 Difference]: Start difference. First operand 10294 states and 15236 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-02 15:57:40,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:57:43,511 WARN L539 Checker$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 15:57:45,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:57:46,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:57:48,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:57:49,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:57:52,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:57:54,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:57:56,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:57:58,420 WARN L539 Checker$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 15:58:00,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:58:01,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:58:03,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:58:05,620 WARN L539 Checker$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 15:58:08,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:58:10,172 WARN L539 Checker$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 15:58:11,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:58:13,707 WARN L539 Checker$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 15:58:15,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:58:17,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:58:19,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:58:26,297 WARN L539 Checker$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 15:58:28,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:58:30,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:58:32,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:58:35,731 WARN L539 Checker$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 15:58:37,741 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 15:58:38,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:58:38,053 INFO L93 Difference]: Finished difference Result 30452 states and 45918 transitions. [2023-12-02 15:58:38,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:58:38,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 179 [2023-12-02 15:58:38,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:58:38,215 INFO L225 Difference]: With dead ends: 30452 [2023-12-02 15:58:38,215 INFO L226 Difference]: Without dead ends: 20185 [2023-12-02 15:58:38,265 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 15:58:38,266 INFO L413 NwaCegarLoop]: 3806 mSDtfsCounter, 3847 mSDsluCounter, 3519 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 4 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3847 SdHoareTripleChecker+Valid, 7325 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:58:38,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3847 Valid, 7325 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 761 Invalid, 19 Unknown, 0 Unchecked, 59.2s Time] [2023-12-02 15:58:38,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20185 states. [2023-12-02 15:58:39,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20185 to 20130. [2023-12-02 15:58:39,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20130 states, 13047 states have (on average 1.35502414348126) internal successors, (17679), 13853 states have internal predecessors, (17679), 6035 states have call successors, (6035), 1044 states have call predecessors, (6035), 1047 states have return successors, (6928), 5944 states have call predecessors, (6928), 6034 states have call successors, (6928) [2023-12-02 15:58:39,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20130 states to 20130 states and 30642 transitions. [2023-12-02 15:58:39,228 INFO L78 Accepts]: Start accepts. Automaton has 20130 states and 30642 transitions. Word has length 179 [2023-12-02 15:58:39,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:58:39,229 INFO L495 AbstractCegarLoop]: Abstraction has 20130 states and 30642 transitions. [2023-12-02 15:58:39,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-02 15:58:39,230 INFO L276 IsEmpty]: Start isEmpty. Operand 20130 states and 30642 transitions. [2023-12-02 15:58:39,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-12-02 15:58:39,238 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:58:39,238 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:58:39,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 15:58:39,239 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:58:39,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:58:39,239 INFO L85 PathProgramCache]: Analyzing trace with hash 151681339, now seen corresponding path program 1 times [2023-12-02 15:58:39,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:58:39,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866847629] [2023-12-02 15:58:39,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:58:39,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:59:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:59:40,220 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2023-12-02 15:59:40,220 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 15:59:40,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866847629] [2023-12-02 15:59:40,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866847629] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:59:40,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:59:40,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:59:40,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825184331] [2023-12-02 15:59:40,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:59:40,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:59:40,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 15:59:40,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:59:40,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:59:40,222 INFO L87 Difference]: Start difference. First operand 20130 states and 30642 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-02 15:59:42,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:59:44,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:59:48,945 WARN L539 Checker$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 15:59:50,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:59:52,978 WARN L539 Checker$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 15:59:54,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 15:59:56,996 WARN L539 Checker$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 15:59:59,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:00:01,028 WARN L539 Checker$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 16:00:02,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:00:03,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:00:06,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:00:09,016 WARN L539 Checker$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 16:00:12,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:00:16,177 WARN L539 Checker$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 16:00:18,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:00:21,809 WARN L539 Checker$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 16:00:23,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:00:25,839 WARN L539 Checker$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 16:00:28,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:00:30,926 WARN L539 Checker$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 16:00:31,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:00:31,345 INFO L93 Difference]: Finished difference Result 41017 states and 64342 transitions. [2023-12-02 16:00:31,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:00:31,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 178 [2023-12-02 16:00:31,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:00:31,481 INFO L225 Difference]: With dead ends: 41017 [2023-12-02 16:00:31,481 INFO L226 Difference]: Without dead ends: 20922 [2023-12-02 16:00:31,649 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 16:00:31,650 INFO L413 NwaCegarLoop]: 3608 mSDtfsCounter, 81 mSDsluCounter, 3563 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 3 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 7171 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:00:31,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 7171 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 682 Invalid, 18 Unknown, 0 Unchecked, 50.3s Time] [2023-12-02 16:00:31,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20922 states. [2023-12-02 16:00:32,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20922 to 20146. [2023-12-02 16:00:32,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20146 states, 13063 states have (on average 1.3545892980173009) internal successors, (17695), 13869 states have internal predecessors, (17695), 6035 states have call successors, (6035), 1044 states have call predecessors, (6035), 1047 states have return successors, (6928), 5944 states have call predecessors, (6928), 6034 states have call successors, (6928) [2023-12-02 16:00:32,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20146 states to 20146 states and 30658 transitions. [2023-12-02 16:00:32,470 INFO L78 Accepts]: Start accepts. Automaton has 20146 states and 30658 transitions. Word has length 178 [2023-12-02 16:00:32,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:00:32,471 INFO L495 AbstractCegarLoop]: Abstraction has 20146 states and 30658 transitions. [2023-12-02 16:00:32,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-12-02 16:00:32,471 INFO L276 IsEmpty]: Start isEmpty. Operand 20146 states and 30658 transitions. [2023-12-02 16:00:32,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-12-02 16:00:32,479 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:00:32,479 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:00:32,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 16:00:32,479 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:00:32,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:00:32,480 INFO L85 PathProgramCache]: Analyzing trace with hash 931865818, now seen corresponding path program 1 times [2023-12-02 16:00:32,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:00:32,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052418484] [2023-12-02 16:00:32,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:00:32,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:01:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:01:35,264 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2023-12-02 16:01:35,264 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:01:35,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052418484] [2023-12-02 16:01:35,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052418484] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:01:35,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:01:35,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:01:35,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205388341] [2023-12-02 16:01:35,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:01:35,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:01:35,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:01:35,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:01:35,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:01:35,266 INFO L87 Difference]: Start difference. First operand 20146 states and 30658 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-02 16:01:37,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:01:39,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:01:42,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:01:44,862 WARN L539 Checker$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 16:01:46,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:01:48,890 WARN L539 Checker$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 16:01:50,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:01:53,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:01:55,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:01:57,199 WARN L539 Checker$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 16:01:59,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:02:02,388 WARN L539 Checker$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 16:02:04,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:02:06,400 WARN L539 Checker$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 16:02:08,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:02:10,421 WARN L539 Checker$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 16:02:12,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:02:13,824 WARN L539 Checker$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 16:02:15,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:02:17,865 WARN L539 Checker$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 16:02:19,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:02:21,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:02:23,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:02:29,854 WARN L539 Checker$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 16:02:34,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:02:36,286 WARN L539 Checker$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 16:02:37,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:02:43,448 WARN L539 Checker$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 16:02:45,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:02:47,554 WARN L539 Checker$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 16:02:49,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:02:51,574 WARN L539 Checker$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 16:02:53,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:02:55,611 WARN L539 Checker$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 16:02:58,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:03:00,652 WARN L539 Checker$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 16:03:02,670 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 16:03:03,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:03:03,874 INFO L93 Difference]: Finished difference Result 39449 states and 61910 transitions. [2023-12-02 16:03:03,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:03:03,875 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 180 [2023-12-02 16:03:03,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:03:04,115 INFO L225 Difference]: With dead ends: 39449 [2023-12-02 16:03:04,115 INFO L226 Difference]: Without dead ends: 39446 [2023-12-02 16:03:04,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:03:04,148 INFO L413 NwaCegarLoop]: 4360 mSDtfsCounter, 3824 mSDsluCounter, 7858 mSDsCounter, 0 mSdLazyCounter, 1185 mSolverCounterSat, 1 mSolverCounterUnsat, 30 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3824 SdHoareTripleChecker+Valid, 12218 SdHoareTripleChecker+Invalid, 1216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1185 IncrementalHoareTripleChecker+Invalid, 30 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 87.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:03:04,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3824 Valid, 12218 Invalid, 1216 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1185 Invalid, 30 Unknown, 0 Unchecked, 87.5s Time] [2023-12-02 16:03:04,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39446 states. [2023-12-02 16:03:05,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39446 to 39150. [2023-12-02 16:03:05,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39150 states, 25435 states have (on average 1.3563593473560056) internal successors, (34499), 27039 states have internal predecessors, (34499), 11687 states have call successors, (11687), 2012 states have call predecessors, (11687), 2027 states have return successors, (15226), 11522 states have call predecessors, (15226), 11686 states have call successors, (15226) [2023-12-02 16:03:05,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39150 states to 39150 states and 61412 transitions. [2023-12-02 16:03:05,953 INFO L78 Accepts]: Start accepts. Automaton has 39150 states and 61412 transitions. Word has length 180 [2023-12-02 16:03:05,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:03:05,954 INFO L495 AbstractCegarLoop]: Abstraction has 39150 states and 61412 transitions. [2023-12-02 16:03:05,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-12-02 16:03:05,954 INFO L276 IsEmpty]: Start isEmpty. Operand 39150 states and 61412 transitions. [2023-12-02 16:03:06,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-12-02 16:03:06,002 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:03:06,003 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:03:06,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 16:03:06,003 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:03:06,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:03:06,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1756671273, now seen corresponding path program 1 times [2023-12-02 16:03:06,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:03:06,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585365338] [2023-12-02 16:03:06,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:03:06,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms