./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5536551d-1741-4afd-a0e7-92d9e8fb5b1f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5536551d-1741-4afd-a0e7-92d9e8fb5b1f/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5536551d-1741-4afd-a0e7-92d9e8fb5b1f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5536551d-1741-4afd-a0e7-92d9e8fb5b1f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5536551d-1741-4afd-a0e7-92d9e8fb5b1f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5536551d-1741-4afd-a0e7-92d9e8fb5b1f/bin/uautomizer-verify-uCwYo4JHxu --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3c7180be0629e9a0656fd9fc52d5b3ae804deb1e2c1641d5e88fc72d6eeae4e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:02:41,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:02:42,021 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5536551d-1741-4afd-a0e7-92d9e8fb5b1f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 08:02:42,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:02:42,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:02:42,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:02:42,054 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:02:42,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:02:42,055 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:02:42,056 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:02:42,057 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:02:42,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:02:42,058 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:02:42,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:02:42,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:02:42,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:02:42,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:02:42,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:02:42,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:02:42,062 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:02:42,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:02:42,064 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:02:42,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:02:42,065 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:02:42,066 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:02:42,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:42,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:02:42,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:02:42,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:02:42,068 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:02:42,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:02:42,069 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:02:42,070 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:02:42,070 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:02:42,071 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:02:42,071 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:02:42,071 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5536551d-1741-4afd-a0e7-92d9e8fb5b1f/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5536551d-1741-4afd-a0e7-92d9e8fb5b1f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c7180be0629e9a0656fd9fc52d5b3ae804deb1e2c1641d5e88fc72d6eeae4e4 [2023-11-19 08:02:42,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:02:42,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:02:42,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:02:42,388 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:02:42,389 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:02:42,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5536551d-1741-4afd-a0e7-92d9e8fb5b1f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i [2023-11-19 08:02:45,616 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:02:46,385 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:02:46,387 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5536551d-1741-4afd-a0e7-92d9e8fb5b1f/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i [2023-11-19 08:02:46,446 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5536551d-1741-4afd-a0e7-92d9e8fb5b1f/bin/uautomizer-verify-uCwYo4JHxu/data/0d8ce947d/8b5d81aad2e347a58c139449d3dc5a9b/FLAGabdbbdc9f [2023-11-19 08:02:46,461 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5536551d-1741-4afd-a0e7-92d9e8fb5b1f/bin/uautomizer-verify-uCwYo4JHxu/data/0d8ce947d/8b5d81aad2e347a58c139449d3dc5a9b [2023-11-19 08:02:46,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:02:46,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:02:46,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:46,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:02:46,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:02:46,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:46" (1/1) ... [2023-11-19 08:02:46,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af00f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:46, skipping insertion in model container [2023-11-19 08:02:46,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:46" (1/1) ... [2023-11-19 08:02:46,706 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:02:49,377 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_5536551d-1741-4afd-a0e7-92d9e8fb5b1f/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i[346956,346969] [2023-11-19 08:02:49,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:49,587 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:02:49,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4858] [2023-11-19 08:02:49,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4865] [2023-11-19 08:02:49,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4872-4873] [2023-11-19 08:02:49,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (825), "i" (12UL)); [4914-4915] [2023-11-19 08:02:49,689 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.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4920-4922] [2023-11-19 08:02:49,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (830), "i" (12UL)); [4943-4944] [2023-11-19 08:02:49,691 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" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [4949-4951] [2023-11-19 08:02:49,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (835), "i" (12UL)); [4971-4972] [2023-11-19 08:02:49,692 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" (47UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4977-4979] [2023-11-19 08:02:49,706 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)); [5247-5248] [2023-11-19 08:02:49,708 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)); [5275-5276] [2023-11-19 08:02:49,709 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" (103), "i" (12UL)); [5304-5305] [2023-11-19 08:02:49,710 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" (115), "i" (12UL)); [5333-5334] [2023-11-19 08:02:50,084 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/work/current--X--drivers/net/ethernet/3com/3c59x.ko--X--x1linux-3.8-rc1--X--32_7a--X--cpachecker/linux-3.8-rc1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/32_7a/drivers/net/ethernet/3com/3c59x.c.prepared"), "i" (3272), "i" (12UL)); [10152-10153] [2023-11-19 08:02:50,106 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_5536551d-1741-4afd-a0e7-92d9e8fb5b1f/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i[346956,346969] [2023-11-19 08:02:50,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:50,433 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:02:50,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:50 WrapperNode [2023-11-19 08:02:50,434 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:50,435 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:50,436 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:02:50,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:02:50,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:50" (1/1) ... [2023-11-19 08:02:50,594 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:50" (1/1) ... [2023-11-19 08:02:50,878 INFO L138 Inliner]: procedures = 308, calls = 3915, calls flagged for inlining = 137, calls inlined = 126, statements flattened = 7656 [2023-11-19 08:02:50,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:50,880 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:02:50,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:02:50,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:02:50,890 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:50" (1/1) ... [2023-11-19 08:02:50,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:50" (1/1) ... [2023-11-19 08:02:50,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:50" (1/1) ... [2023-11-19 08:02:50,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:50" (1/1) ... [2023-11-19 08:02:51,346 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:50" (1/1) ... [2023-11-19 08:02:51,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:50" (1/1) ... [2023-11-19 08:02:51,425 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:50" (1/1) ... [2023-11-19 08:02:51,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:50" (1/1) ... [2023-11-19 08:02:51,507 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:02:51,508 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:02:51,509 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:02:51,509 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:02:51,510 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:50" (1/1) ... [2023-11-19 08:02:51,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:51,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5536551d-1741-4afd-a0e7-92d9e8fb5b1f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:51,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5536551d-1741-4afd-a0e7-92d9e8fb5b1f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:51,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5536551d-1741-4afd-a0e7-92d9e8fb5b1f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:02:51,589 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2023-11-19 08:02:51,589 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2023-11-19 08:02:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 08:02:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 08:02:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-19 08:02:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-19 08:02:51,590 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-11-19 08:02:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-11-19 08:02:51,591 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 08:02:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 08:02:51,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 08:02:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 08:02:51,592 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-19 08:02:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-19 08:02:51,593 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2023-11-19 08:02:51,594 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2023-11-19 08:02:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-11-19 08:02:51,594 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-11-19 08:02:51,594 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-19 08:02:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-19 08:02:51,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 08:02:51,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 08:02:51,596 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2023-11-19 08:02:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2023-11-19 08:02:51,598 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-19 08:02:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-19 08:02:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 08:02:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 08:02:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-19 08:02:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-19 08:02:51,599 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-19 08:02:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-19 08:02:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2023-11-19 08:02:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2023-11-19 08:02:51,600 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-19 08:02:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-19 08:02:51,601 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 08:02:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 08:02:51,601 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-19 08:02:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-19 08:02:51,601 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 08:02:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 08:02:51,602 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-19 08:02:51,602 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-19 08:02:51,602 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-19 08:02:51,602 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-19 08:02:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:02:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-19 08:02:51,603 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-19 08:02:51,603 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2023-11-19 08:02:51,603 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2023-11-19 08:02:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 08:02:51,604 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 08:02:51,604 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-19 08:02:51,604 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-19 08:02:51,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 08:02:51,606 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-19 08:02:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-19 08:02:51,607 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 08:02:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 08:02:51,607 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-19 08:02:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-19 08:02:51,608 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-19 08:02:51,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-19 08:02:51,608 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2023-11-19 08:02:51,609 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2023-11-19 08:02:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2023-11-19 08:02:51,609 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2023-11-19 08:02:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 08:02:51,609 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 08:02:51,609 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-19 08:02:51,610 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-19 08:02:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-19 08:02:51,610 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-19 08:02:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 08:02:51,610 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 08:02:51,610 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-19 08:02:51,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-19 08:02:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:02:51,611 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-19 08:02:51,612 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-19 08:02:51,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 08:02:51,612 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 08:02:51,612 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 08:02:51,613 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 08:02:51,613 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 08:02:51,613 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-19 08:02:51,613 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-19 08:02:51,613 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 08:02:51,613 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 08:02:51,614 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 08:02:51,614 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 08:02:51,614 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 08:02:51,614 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 08:02:51,614 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-19 08:02:51,615 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-19 08:02:51,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 08:02:51,615 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_ioctl [2023-11-19 08:02:51,615 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_ioctl [2023-11-19 08:02:51,615 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-19 08:02:51,615 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-19 08:02:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2023-11-19 08:02:51,616 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2023-11-19 08:02:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-11-19 08:02:51,617 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-11-19 08:02:51,617 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2023-11-19 08:02:51,617 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2023-11-19 08:02:51,617 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2023-11-19 08:02:51,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2023-11-19 08:02:51,618 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 08:02:51,619 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 08:02:51,619 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 08:02:51,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 08:02:51,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 08:02:51,619 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2023-11-19 08:02:51,619 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2023-11-19 08:02:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-11-19 08:02:51,620 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-11-19 08:02:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-19 08:02:51,620 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-19 08:02:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2023-11-19 08:02:51,620 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2023-11-19 08:02:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:02:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2023-11-19 08:02:51,621 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2023-11-19 08:02:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-19 08:02:51,621 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-19 08:02:51,622 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-19 08:02:51,622 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-19 08:02:51,622 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 08:02:51,623 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 08:02:51,623 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 08:02:51,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 08:02:51,623 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 08:02:51,623 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 08:02:51,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 08:02:51,624 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 08:02:51,624 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 08:02:51,625 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 08:02:51,625 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2023-11-19 08:02:51,627 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2023-11-19 08:02:51,627 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2023-11-19 08:02:51,630 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2023-11-19 08:02:51,631 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_get_stats [2023-11-19 08:02:51,631 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_get_stats [2023-11-19 08:02:51,631 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-19 08:02:51,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-19 08:02:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-19 08:02:51,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-19 08:02:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-11-19 08:02:51,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-11-19 08:02:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-19 08:02:51,640 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-19 08:02:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:02:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2023-11-19 08:02:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2023-11-19 08:02:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-19 08:02:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-19 08:02:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-19 08:02:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-19 08:02:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2023-11-19 08:02:51,642 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2023-11-19 08:02:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-11-19 08:02:51,642 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-11-19 08:02:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 08:02:51,643 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 08:02:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 08:02:51,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 08:02:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2023-11-19 08:02:51,643 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2023-11-19 08:02:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2023-11-19 08:02:51,644 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2023-11-19 08:02:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2023-11-19 08:02:51,644 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2023-11-19 08:02:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:02:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2023-11-19 08:02:51,644 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2023-11-19 08:02:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:02:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2023-11-19 08:02:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2023-11-19 08:02:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-19 08:02:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-19 08:02:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 08:02:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 08:02:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:02:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-19 08:02:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-19 08:02:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-19 08:02:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-19 08:02:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 08:02:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 08:02:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2023-11-19 08:02:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2023-11-19 08:02:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2023-11-19 08:02:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2023-11-19 08:02:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 08:02:51,648 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 08:02:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2023-11-19 08:02:51,648 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2023-11-19 08:02:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2023-11-19 08:02:51,648 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2023-11-19 08:02:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-19 08:02:51,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-19 08:02:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 08:02:51,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 08:02:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2023-11-19 08:02:51,649 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2023-11-19 08:02:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-19 08:02:51,650 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-19 08:02:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-19 08:02:51,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-19 08:02:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2023-11-19 08:02:51,650 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2023-11-19 08:02:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-19 08:02:51,651 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-19 08:02:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 08:02:51,651 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 08:02:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 08:02:51,651 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 08:02:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2023-11-19 08:02:51,652 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2023-11-19 08:02:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-11-19 08:02:51,652 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-11-19 08:02:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 08:02:51,652 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 08:02:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2023-11-19 08:02:51,652 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2023-11-19 08:02:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-19 08:02:51,653 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-19 08:02:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2023-11-19 08:02:51,653 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2023-11-19 08:02:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:02:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-11-19 08:02:51,654 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-11-19 08:02:51,654 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-19 08:02:51,654 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-19 08:02:51,654 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2023-11-19 08:02:51,654 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2023-11-19 08:02:51,654 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2023-11-19 08:02:51,655 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2023-11-19 08:02:51,655 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-19 08:02:51,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-19 08:02:51,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:02:51,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:02:51,655 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-19 08:02:51,656 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-19 08:02:52,610 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:02:52,615 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:03:01,622 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:03:01,653 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:03:01,653 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 08:03:01,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:01 BoogieIcfgContainer [2023-11-19 08:03:01,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:03:01,673 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:03:01,673 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:03:01,676 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:03:01,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:02:46" (1/3) ... [2023-11-19 08:03:01,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c247021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:03:01, skipping insertion in model container [2023-11-19 08:03:01,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:50" (2/3) ... [2023-11-19 08:03:01,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c247021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:03:01, skipping insertion in model container [2023-11-19 08:03:01,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:01" (3/3) ... [2023-11-19 08:03:01,679 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i [2023-11-19 08:03:01,700 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:03:01,700 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:03:01,816 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:03:01,823 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@4d3168e8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:03:01,823 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:03:01,844 INFO L276 IsEmpty]: Start isEmpty. Operand has 3038 states, 2231 states have (on average 1.4639175257731958) internal successors, (3266), 2294 states have internal predecessors, (3266), 690 states have call successors, (690), 115 states have call predecessors, (690), 115 states have return successors, (690), 679 states have call predecessors, (690), 690 states have call successors, (690) [2023-11-19 08:03:01,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 08:03:01,862 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:01,863 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:01,863 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:03:01,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:01,869 INFO L85 PathProgramCache]: Analyzing trace with hash 564421162, now seen corresponding path program 1 times [2023-11-19 08:03:01,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:01,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79041674] [2023-11-19 08:03:01,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:01,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:02,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:02,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:02,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79041674] [2023-11-19 08:03:02,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79041674] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:02,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:02,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:03:02,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885906524] [2023-11-19 08:03:02,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:03,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:03:03,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:03,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:03:03,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:03:03,047 INFO L87 Difference]: Start difference. First operand has 3038 states, 2231 states have (on average 1.4639175257731958) internal successors, (3266), 2294 states have internal predecessors, (3266), 690 states have call successors, (690), 115 states have call predecessors, (690), 115 states have return successors, (690), 679 states have call predecessors, (690), 690 states have call successors, (690) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:03,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:03,754 INFO L93 Difference]: Finished difference Result 9057 states and 13953 transitions. [2023-11-19 08:03:03,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:03:03,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2023-11-19 08:03:03,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:03,845 INFO L225 Difference]: With dead ends: 9057 [2023-11-19 08:03:03,845 INFO L226 Difference]: Without dead ends: 5998 [2023-11-19 08:03:03,883 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 [2023-11-19 08:03:03,888 INFO L413 NwaCegarLoop]: 4626 mSDtfsCounter, 4566 mSDsluCounter, 4592 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4566 SdHoareTripleChecker+Valid, 9218 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:03,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4566 Valid, 9218 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 08:03:04,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5998 states. [2023-11-19 08:03:04,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5998 to 5998. [2023-11-19 08:03:04,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5998 states, 4402 states have (on average 1.4545661063153112) internal successors, (6403), 4522 states have internal predecessors, (6403), 1367 states have call successors, (1367), 229 states have call predecessors, (1367), 228 states have return successors, (1364), 1342 states have call predecessors, (1364), 1364 states have call successors, (1364) [2023-11-19 08:03:04,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5998 states to 5998 states and 9134 transitions. [2023-11-19 08:03:04,587 INFO L78 Accepts]: Start accepts. Automaton has 5998 states and 9134 transitions. Word has length 17 [2023-11-19 08:03:04,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:04,587 INFO L495 AbstractCegarLoop]: Abstraction has 5998 states and 9134 transitions. [2023-11-19 08:03:04,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:04,588 INFO L276 IsEmpty]: Start isEmpty. Operand 5998 states and 9134 transitions. [2023-11-19 08:03:04,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 08:03:04,601 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:04,601 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:04,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:03:04,602 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:03:04,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:04,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1801641271, now seen corresponding path program 1 times [2023-11-19 08:03:04,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:04,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493351672] [2023-11-19 08:03:04,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:04,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:05,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:05,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:05,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493351672] [2023-11-19 08:03:05,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493351672] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:05,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:05,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:03:05,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565327931] [2023-11-19 08:03:05,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:05,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:03:05,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:05,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:03:05,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:03:05,371 INFO L87 Difference]: Start difference. First operand 5998 states and 9134 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:06,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:06,701 INFO L93 Difference]: Finished difference Result 12681 states and 19403 transitions. [2023-11-19 08:03:06,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:03:06,702 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2023-11-19 08:03:06,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:06,781 INFO L225 Difference]: With dead ends: 12681 [2023-11-19 08:03:06,782 INFO L226 Difference]: Without dead ends: 6686 [2023-11-19 08:03:06,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:03:06,824 INFO L413 NwaCegarLoop]: 5549 mSDtfsCounter, 5447 mSDsluCounter, 10305 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5447 SdHoareTripleChecker+Valid, 15854 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:06,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5447 Valid, 15854 Invalid, 474 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [159 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 08:03:06,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6686 states. [2023-11-19 08:03:07,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6686 to 6001. [2023-11-19 08:03:07,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6001 states, 4405 states have (on average 1.4540295119182747) internal successors, (6405), 4525 states have internal predecessors, (6405), 1367 states have call successors, (1367), 229 states have call predecessors, (1367), 228 states have return successors, (1364), 1342 states have call predecessors, (1364), 1364 states have call successors, (1364) [2023-11-19 08:03:07,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6001 states to 6001 states and 9136 transitions. [2023-11-19 08:03:07,332 INFO L78 Accepts]: Start accepts. Automaton has 6001 states and 9136 transitions. Word has length 26 [2023-11-19 08:03:07,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:07,333 INFO L495 AbstractCegarLoop]: Abstraction has 6001 states and 9136 transitions. [2023-11-19 08:03:07,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:07,334 INFO L276 IsEmpty]: Start isEmpty. Operand 6001 states and 9136 transitions. [2023-11-19 08:03:07,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 08:03:07,340 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:07,340 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:07,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:03:07,341 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:03:07,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:07,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1756009353, now seen corresponding path program 1 times [2023-11-19 08:03:07,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:07,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622163302] [2023-11-19 08:03:07,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:07,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:08,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:08,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:08,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622163302] [2023-11-19 08:03:08,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622163302] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:08,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:08,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:03:08,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367933052] [2023-11-19 08:03:08,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:08,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:03:08,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:08,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:03:08,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:03:08,165 INFO L87 Difference]: Start difference. First operand 6001 states and 9136 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:12,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:12,862 INFO L93 Difference]: Finished difference Result 21752 states and 33060 transitions. [2023-11-19 08:03:12,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:03:12,863 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2023-11-19 08:03:12,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:13,012 INFO L225 Difference]: With dead ends: 21752 [2023-11-19 08:03:13,012 INFO L226 Difference]: Without dead ends: 15754 [2023-11-19 08:03:13,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:03:13,064 INFO L413 NwaCegarLoop]: 10261 mSDtfsCounter, 11210 mSDsluCounter, 7808 mSDsCounter, 0 mSdLazyCounter, 1391 mSolverCounterSat, 708 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11210 SdHoareTripleChecker+Valid, 18069 SdHoareTripleChecker+Invalid, 2099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 708 IncrementalHoareTripleChecker+Valid, 1391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:13,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11210 Valid, 18069 Invalid, 2099 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [708 Valid, 1391 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-19 08:03:13,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15754 states. [2023-11-19 08:03:14,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15754 to 15728. [2023-11-19 08:03:14,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15728 states, 11565 states have (on average 1.4526588845654993) internal successors, (16800), 11870 states have internal predecessors, (16800), 3549 states have call successors, (3549), 614 states have call predecessors, (3549), 613 states have return successors, (3546), 3489 states have call predecessors, (3546), 3546 states have call successors, (3546) [2023-11-19 08:03:14,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15728 states to 15728 states and 23895 transitions. [2023-11-19 08:03:14,254 INFO L78 Accepts]: Start accepts. Automaton has 15728 states and 23895 transitions. Word has length 26 [2023-11-19 08:03:14,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:14,255 INFO L495 AbstractCegarLoop]: Abstraction has 15728 states and 23895 transitions. [2023-11-19 08:03:14,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:14,259 INFO L276 IsEmpty]: Start isEmpty. Operand 15728 states and 23895 transitions. [2023-11-19 08:03:14,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 08:03:14,264 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:14,264 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:14,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:03:14,265 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:03:14,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:14,268 INFO L85 PathProgramCache]: Analyzing trace with hash 2145930933, now seen corresponding path program 1 times [2023-11-19 08:03:14,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:14,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651024399] [2023-11-19 08:03:14,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:14,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:14,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:14,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:14,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651024399] [2023-11-19 08:03:14,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651024399] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:14,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:14,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:03:14,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233562751] [2023-11-19 08:03:14,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:14,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:03:14,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:14,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:03:14,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:03:14,978 INFO L87 Difference]: Start difference. First operand 15728 states and 23895 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:18,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:18,822 INFO L93 Difference]: Finished difference Result 35216 states and 53441 transitions. [2023-11-19 08:03:18,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:03:18,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2023-11-19 08:03:18,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:18,993 INFO L225 Difference]: With dead ends: 35216 [2023-11-19 08:03:18,994 INFO L226 Difference]: Without dead ends: 25439 [2023-11-19 08:03:19,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:03:19,051 INFO L413 NwaCegarLoop]: 9177 mSDtfsCounter, 9729 mSDsluCounter, 7797 mSDsCounter, 0 mSdLazyCounter, 1379 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9729 SdHoareTripleChecker+Valid, 16974 SdHoareTripleChecker+Invalid, 1539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 1379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:19,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9729 Valid, 16974 Invalid, 1539 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [160 Valid, 1379 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-19 08:03:19,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25439 states. [2023-11-19 08:03:21,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25439 to 25417. [2023-11-19 08:03:21,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25417 states, 18703 states have (on average 1.452761589049885) internal successors, (27171), 19191 states have internal predecessors, (27171), 5717 states have call successors, (5717), 997 states have call predecessors, (5717), 996 states have return successors, (5714), 5624 states have call predecessors, (5714), 5714 states have call successors, (5714) [2023-11-19 08:03:21,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25417 states to 25417 states and 38602 transitions. [2023-11-19 08:03:21,261 INFO L78 Accepts]: Start accepts. Automaton has 25417 states and 38602 transitions. Word has length 26 [2023-11-19 08:03:21,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:21,262 INFO L495 AbstractCegarLoop]: Abstraction has 25417 states and 38602 transitions. [2023-11-19 08:03:21,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:21,263 INFO L276 IsEmpty]: Start isEmpty. Operand 25417 states and 38602 transitions. [2023-11-19 08:03:21,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 08:03:21,267 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:03:21,267 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:03:21,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 08:03:21,267 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:03:21,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:03:21,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1054944775, now seen corresponding path program 1 times [2023-11-19 08:03:21,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:03:21,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438781154] [2023-11-19 08:03:21,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:03:21,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:03:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:03:21,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:03:21,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:03:21,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438781154] [2023-11-19 08:03:21,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438781154] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:03:21,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:03:21,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:03:21,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381305120] [2023-11-19 08:03:21,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:03:21,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:03:21,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:03:21,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:03:21,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:03:21,917 INFO L87 Difference]: Start difference. First operand 25417 states and 38602 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:25,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:25,674 INFO L93 Difference]: Finished difference Result 38924 states and 59046 transitions. [2023-11-19 08:03:25,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:03:25,675 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2023-11-19 08:03:25,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:25,848 INFO L225 Difference]: With dead ends: 38924 [2023-11-19 08:03:25,848 INFO L226 Difference]: Without dead ends: 23197