./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 cf1a7837 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_9dbecc14-6836-4969-9a88-1ff78c1d087d/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dbecc14-6836-4969-9a88-1ff78c1d087d/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dbecc14-6836-4969-9a88-1ff78c1d087d/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dbecc14-6836-4969-9a88-1ff78c1d087d/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.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_9dbecc14-6836-4969-9a88-1ff78c1d087d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dbecc14-6836-4969-9a88-1ff78c1d087d/bin/utaipan-verify-NcY6lQBIFX --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 3c7180be0629e9a0656fd9fc52d5b3ae804deb1e2c1641d5e88fc72d6eeae4e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:47:20,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:47:20,767 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dbecc14-6836-4969-9a88-1ff78c1d087d/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:47:20,773 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:47:20,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:47:20,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:47:20,817 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:47:20,818 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:47:20,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:47:20,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:47:20,820 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:47:20,821 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:47:20,821 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:47:20,822 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:47:20,822 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:47:20,823 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:47:20,823 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:47:20,824 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:47:20,824 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:47:20,825 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:47:20,825 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:47:20,826 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:47:20,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:47:20,827 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:47:20,827 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:47:20,828 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:47:20,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:47:20,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:47:20,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:47:20,829 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:47:20,830 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:47:20,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:47:20,831 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:47:20,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:20,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:47:20,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:47:20,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:47:20,843 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:47:20,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:47:20,843 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:47:20,843 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:47:20,844 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:47:20,844 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_9dbecc14-6836-4969-9a88-1ff78c1d087d/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dbecc14-6836-4969-9a88-1ff78c1d087d/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c7180be0629e9a0656fd9fc52d5b3ae804deb1e2c1641d5e88fc72d6eeae4e4 [2023-11-12 00:47:21,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:47:21,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:47:21,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:47:21,139 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:47:21,140 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:47:21,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dbecc14-6836-4969-9a88-1ff78c1d087d/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i [2023-11-12 00:47:24,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:47:25,082 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:47:25,084 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dbecc14-6836-4969-9a88-1ff78c1d087d/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i [2023-11-12 00:47:25,155 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dbecc14-6836-4969-9a88-1ff78c1d087d/bin/utaipan-verify-NcY6lQBIFX/data/5c703ff17/37330114b59443cfa87024fd6555af64/FLAG51b7d8a44 [2023-11-12 00:47:25,180 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dbecc14-6836-4969-9a88-1ff78c1d087d/bin/utaipan-verify-NcY6lQBIFX/data/5c703ff17/37330114b59443cfa87024fd6555af64 [2023-11-12 00:47:25,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:47:25,192 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:47:25,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:25,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:47:25,203 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:47:25,204 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:25" (1/1) ... [2023-11-12 00:47:25,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c31a7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:25, skipping insertion in model container [2023-11-12 00:47:25,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:47:25" (1/1) ... [2023-11-12 00:47:25,382 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:47:27,969 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_9dbecc14-6836-4969-9a88-1ff78c1d087d/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i[346956,346969] [2023-11-12 00:47:28,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:28,250 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:47:28,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4858] [2023-11-12 00:47:28,362 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] [2023-11-12 00:47:28,363 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] [2023-11-12 00:47:28,366 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] [2023-11-12 00:47:28,366 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] [2023-11-12 00:47:28,367 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] [2023-11-12 00:47:28,368 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] [2023-11-12 00:47:28,369 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] [2023-11-12 00:47:28,369 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] [2023-11-12 00:47:28,384 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] [2023-11-12 00:47:28,386 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] [2023-11-12 00:47:28,388 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] [2023-11-12 00:47:28,389 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] [2023-11-12 00:47:28,680 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] [2023-11-12 00:47:28,702 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_9dbecc14-6836-4969-9a88-1ff78c1d087d/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i[346956,346969] [2023-11-12 00:47:28,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:47:29,025 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:47:29,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29 WrapperNode [2023-11-12 00:47:29,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:47:29,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:29,027 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:47:29,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:47:29,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (1/1) ... [2023-11-12 00:47:29,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (1/1) ... [2023-11-12 00:47:29,404 INFO L138 Inliner]: procedures = 308, calls = 3915, calls flagged for inlining = 137, calls inlined = 126, statements flattened = 7656 [2023-11-12 00:47:29,405 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:47:29,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:47:29,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:47:29,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:47:29,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (1/1) ... [2023-11-12 00:47:29,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (1/1) ... [2023-11-12 00:47:29,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (1/1) ... [2023-11-12 00:47:29,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (1/1) ... [2023-11-12 00:47:29,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (1/1) ... [2023-11-12 00:47:29,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (1/1) ... [2023-11-12 00:47:29,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (1/1) ... [2023-11-12 00:47:29,947 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (1/1) ... [2023-11-12 00:47:29,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:47:30,001 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:47:30,001 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:47:30,001 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:47:30,002 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (1/1) ... [2023-11-12 00:47:30,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:47:30,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dbecc14-6836-4969-9a88-1ff78c1d087d/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:47:30,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dbecc14-6836-4969-9a88-1ff78c1d087d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:47:30,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dbecc14-6836-4969-9a88-1ff78c1d087d/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:47:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2023-11-12 00:47:30,079 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2023-11-12 00:47:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:47:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:47:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-12 00:47:30,079 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-12 00:47:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-11-12 00:47:30,081 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-11-12 00:47:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:47:30,081 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:47:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:47:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:47:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 00:47:30,083 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 00:47:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2023-11-12 00:47:30,083 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2023-11-12 00:47:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-11-12 00:47:30,086 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-11-12 00:47:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-12 00:47:30,086 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-12 00:47:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 00:47:30,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 00:47:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2023-11-12 00:47:30,087 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2023-11-12 00:47:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-12 00:47:30,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-12 00:47:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:47:30,088 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:47:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-12 00:47:30,088 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-12 00:47:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-12 00:47:30,088 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-12 00:47:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2023-11-12 00:47:30,089 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2023-11-12 00:47:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-12 00:47:30,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-12 00:47:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:47:30,089 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:47:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 00:47:30,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 00:47:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 00:47:30,090 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 00:47:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-12 00:47:30,091 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-12 00:47:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-12 00:47:30,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-12 00:47:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:47:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-12 00:47:30,092 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-12 00:47:30,092 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2023-11-12 00:47:30,093 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2023-11-12 00:47:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:47:30,094 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:47:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-12 00:47:30,094 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-12 00:47:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:47:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 00:47:30,095 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 00:47:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:47:30,095 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:47:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-12 00:47:30,096 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-12 00:47:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 00:47:30,097 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 00:47:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2023-11-12 00:47:30,097 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2023-11-12 00:47:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2023-11-12 00:47:30,098 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2023-11-12 00:47:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:47:30,098 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:47:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-12 00:47:30,098 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-12 00:47:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-12 00:47:30,099 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-12 00:47:30,099 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 00:47:30,100 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 00:47:30,100 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 00:47:30,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 00:47:30,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:47:30,100 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-12 00:47:30,100 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-12 00:47:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:47:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:47:30,101 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:47:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-12 00:47:30,101 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-12 00:47:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-12 00:47:30,102 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-12 00:47:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:47:30,102 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:47:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:47:30,102 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:47:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 00:47:30,103 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 00:47:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-12 00:47:30,103 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-12 00:47:30,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:47:30,104 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_ioctl [2023-11-12 00:47:30,104 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_ioctl [2023-11-12 00:47:30,104 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-12 00:47:30,105 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-12 00:47:30,105 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2023-11-12 00:47:30,105 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2023-11-12 00:47:30,105 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-11-12 00:47:30,105 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-11-12 00:47:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2023-11-12 00:47:30,106 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2023-11-12 00:47:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2023-11-12 00:47:30,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2023-11-12 00:47:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:47:30,107 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:47:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 00:47:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 00:47:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:47:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2023-11-12 00:47:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2023-11-12 00:47:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-11-12 00:47:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-11-12 00:47:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-12 00:47:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-12 00:47:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2023-11-12 00:47:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2023-11-12 00:47:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:47:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2023-11-12 00:47:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2023-11-12 00:47:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-12 00:47:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-12 00:47:30,111 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-12 00:47:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-12 00:47:30,111 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:47:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:47:30,111 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:47:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:47:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-12 00:47:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-12 00:47:30,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:47:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:47:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:47:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:47:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2023-11-12 00:47:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2023-11-12 00:47:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2023-11-12 00:47:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2023-11-12 00:47:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_get_stats [2023-11-12 00:47:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_get_stats [2023-11-12 00:47:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-12 00:47:30,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-12 00:47:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-12 00:47:30,127 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-12 00:47:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-11-12 00:47:30,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-11-12 00:47:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 00:47:30,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 00:47:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:47:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2023-11-12 00:47:30,128 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2023-11-12 00:47:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 00:47:30,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 00:47:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-12 00:47:30,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-12 00:47:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2023-11-12 00:47:30,129 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2023-11-12 00:47:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-11-12 00:47:30,130 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-11-12 00:47:30,130 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-12 00:47:30,130 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-12 00:47:30,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:47:30,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:47:30,130 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2023-11-12 00:47:30,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2023-11-12 00:47:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2023-11-12 00:47:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2023-11-12 00:47:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2023-11-12 00:47:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2023-11-12 00:47:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:47:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2023-11-12 00:47:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2023-11-12 00:47:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:47:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2023-11-12 00:47:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2023-11-12 00:47:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-12 00:47:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-12 00:47:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:47:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:47:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:47:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-12 00:47:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-12 00:47:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-12 00:47:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-12 00:47:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-12 00:47:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-12 00:47:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2023-11-12 00:47:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2023-11-12 00:47:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2023-11-12 00:47:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2023-11-12 00:47:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-12 00:47:30,135 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-12 00:47:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2023-11-12 00:47:30,135 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2023-11-12 00:47:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2023-11-12 00:47:30,135 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2023-11-12 00:47:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-12 00:47:30,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-12 00:47:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 00:47:30,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 00:47:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2023-11-12 00:47:30,136 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2023-11-12 00:47:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-12 00:47:30,137 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-12 00:47:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-12 00:47:30,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-12 00:47:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2023-11-12 00:47:30,137 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2023-11-12 00:47:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 00:47:30,138 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 00:47:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:47:30,138 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:47:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 00:47:30,138 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 00:47:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2023-11-12 00:47:30,139 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2023-11-12 00:47:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-11-12 00:47:30,139 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-11-12 00:47:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 00:47:30,139 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 00:47:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2023-11-12 00:47:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2023-11-12 00:47:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-12 00:47:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-12 00:47:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2023-11-12 00:47:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2023-11-12 00:47:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:47:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-11-12 00:47:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-11-12 00:47:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-12 00:47:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-12 00:47:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2023-11-12 00:47:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2023-11-12 00:47:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2023-11-12 00:47:30,142 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2023-11-12 00:47:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-12 00:47:30,142 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-12 00:47:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:47:30,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:47:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-12 00:47:30,142 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-12 00:47:31,198 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:47:31,202 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:47:40,625 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:47:47,364 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:47:47,364 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 00:47:47,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:47 BoogieIcfgContainer [2023-11-12 00:47:47,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:47:47,377 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:47:47,378 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:47:47,381 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:47:47,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:47:25" (1/3) ... [2023-11-12 00:47:47,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4f604f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:47:47, skipping insertion in model container [2023-11-12 00:47:47,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:47:29" (2/3) ... [2023-11-12 00:47:47,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d4f604f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:47:47, skipping insertion in model container [2023-11-12 00:47:47,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:47:47" (3/3) ... [2023-11-12 00:47:47,385 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i [2023-11-12 00:47:47,404 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:47:47,408 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:47:47,518 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:47:47,527 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;@3841ddb3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:47:47,527 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:47:47,542 INFO L276 IsEmpty]: Start isEmpty. Operand has 2063 states, 1256 states have (on average 1.355891719745223) internal successors, (1703), 1319 states have internal predecessors, (1703), 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) [2023-11-12 00:47:47,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:47:47,569 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:47,570 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:47,571 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:47:47,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:47,579 INFO L85 PathProgramCache]: Analyzing trace with hash 38215178, now seen corresponding path program 1 times [2023-11-12 00:47:47,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:47,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758959181] [2023-11-12 00:47:47,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:47,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:48,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:48,893 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:48,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758959181] [2023-11-12 00:47:48,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758959181] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:48,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:48,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:47:48,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563599272] [2023-11-12 00:47:48,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:48,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:47:48,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:48,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:47:48,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:47:48,967 INFO L87 Difference]: Start difference. First operand has 2063 states, 1256 states have (on average 1.355891719745223) internal successors, (1703), 1319 states have internal predecessors, (1703), 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 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 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) [2023-11-12 00:47:52,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:47:56,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:47:56,260 INFO L93 Difference]: Finished difference Result 6151 states and 9196 transitions. [2023-11-12 00:47:56,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:47:56,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 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 14 [2023-11-12 00:47:56,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:47:56,312 INFO L225 Difference]: With dead ends: 6151 [2023-11-12 00:47:56,313 INFO L226 Difference]: Without dead ends: 4067 [2023-11-12 00:47:56,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:47:56,333 INFO L413 NwaCegarLoop]: 2812 mSDtfsCounter, 3030 mSDsluCounter, 2743 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3030 SdHoareTripleChecker+Valid, 5555 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-11-12 00:47:56,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3030 Valid, 5555 Invalid, 661 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 657 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2023-11-12 00:47:56,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4067 states. [2023-11-12 00:47:56,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4067 to 4067. [2023-11-12 00:47:56,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4067 states, 2471 states have (on average 1.350060704168353) internal successors, (3336), 2591 states have internal predecessors, (3336), 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) [2023-11-12 00:47:56,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4067 states to 4067 states and 6067 transitions. [2023-11-12 00:47:56,749 INFO L78 Accepts]: Start accepts. Automaton has 4067 states and 6067 transitions. Word has length 14 [2023-11-12 00:47:56,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:47:56,750 INFO L495 AbstractCegarLoop]: Abstraction has 4067 states and 6067 transitions. [2023-11-12 00:47:56,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 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) [2023-11-12 00:47:56,750 INFO L276 IsEmpty]: Start isEmpty. Operand 4067 states and 6067 transitions. [2023-11-12 00:47:56,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:47:56,758 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:47:56,758 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:47:56,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:47:56,759 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:47:56,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:47:56,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1843596731, now seen corresponding path program 1 times [2023-11-12 00:47:56,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:47:56,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231584492] [2023-11-12 00:47:56,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:47:56,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:47:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:47:57,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:47:57,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:47:57,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231584492] [2023-11-12 00:47:57,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231584492] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:47:57,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:47:57,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:47:57,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397231699] [2023-11-12 00:47:57,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:47:57,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:47:57,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:47:57,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:47:57,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:47:57,335 INFO L87 Difference]: Start difference. First operand 4067 states and 6067 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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) [2023-11-12 00:48:00,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:48:00,444 INFO L93 Difference]: Finished difference Result 4069 states and 6068 transitions. [2023-11-12 00:48:00,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:48:00,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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 16 [2023-11-12 00:48:00,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:48:00,482 INFO L225 Difference]: With dead ends: 4069 [2023-11-12 00:48:00,482 INFO L226 Difference]: Without dead ends: 4066 [2023-11-12 00:48:00,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:48:00,488 INFO L413 NwaCegarLoop]: 2734 mSDtfsCounter, 3043 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3043 SdHoareTripleChecker+Valid, 2734 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-12 00:48:00,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3043 Valid, 2734 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-12 00:48:00,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4066 states. [2023-11-12 00:48:00,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4066 to 4066. [2023-11-12 00:48:00,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4066 states, 2471 states have (on average 1.3496560097126669) internal successors, (3335), 2590 states have internal predecessors, (3335), 1366 states have call successors, (1366), 229 states have call predecessors, (1366), 228 states have return successors, (1364), 1342 states have call predecessors, (1364), 1364 states have call successors, (1364) [2023-11-12 00:48:00,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4066 states to 4066 states and 6065 transitions. [2023-11-12 00:48:00,804 INFO L78 Accepts]: Start accepts. Automaton has 4066 states and 6065 transitions. Word has length 16 [2023-11-12 00:48:00,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:48:00,805 INFO L495 AbstractCegarLoop]: Abstraction has 4066 states and 6065 transitions. [2023-11-12 00:48:00,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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) [2023-11-12 00:48:00,805 INFO L276 IsEmpty]: Start isEmpty. Operand 4066 states and 6065 transitions. [2023-11-12 00:48:00,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:48:00,808 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:48:00,808 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:48:00,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:48:00,809 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:48:00,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:48:00,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1315717770, now seen corresponding path program 1 times [2023-11-12 00:48:00,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:48:00,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168433071] [2023-11-12 00:48:00,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:00,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:48:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:48:01,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:48:01,400 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:48:01,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168433071] [2023-11-12 00:48:01,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168433071] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:48:01,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:48:01,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:48:01,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130193936] [2023-11-12 00:48:01,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:48:01,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:48:01,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:48:01,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:48:01,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:48:01,410 INFO L87 Difference]: Start difference. First operand 4066 states and 6065 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 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) [2023-11-12 00:48:04,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:48:04,818 INFO L93 Difference]: Finished difference Result 4068 states and 6066 transitions. [2023-11-12 00:48:04,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:48:04,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 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 [2023-11-12 00:48:04,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:48:04,865 INFO L225 Difference]: With dead ends: 4068 [2023-11-12 00:48:04,866 INFO L226 Difference]: Without dead ends: 4065 [2023-11-12 00:48:04,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:48:04,873 INFO L413 NwaCegarLoop]: 2732 mSDtfsCounter, 3040 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3040 SdHoareTripleChecker+Valid, 2732 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:48:04,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3040 Valid, 2732 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-12 00:48:04,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4065 states. [2023-11-12 00:48:05,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4065 to 4065. [2023-11-12 00:48:05,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4065 states, 2471 states have (on average 1.349251315256981) internal successors, (3334), 2589 states have internal predecessors, (3334), 1365 states have call successors, (1365), 229 states have call predecessors, (1365), 228 states have return successors, (1364), 1342 states have call predecessors, (1364), 1364 states have call successors, (1364) [2023-11-12 00:48:05,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4065 states to 4065 states and 6063 transitions. [2023-11-12 00:48:05,260 INFO L78 Accepts]: Start accepts. Automaton has 4065 states and 6063 transitions. Word has length 17 [2023-11-12 00:48:05,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:48:05,261 INFO L495 AbstractCegarLoop]: Abstraction has 4065 states and 6063 transitions. [2023-11-12 00:48:05,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 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) [2023-11-12 00:48:05,261 INFO L276 IsEmpty]: Start isEmpty. Operand 4065 states and 6063 transitions. [2023-11-12 00:48:05,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:48:05,266 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:48:05,267 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:48:05,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 00:48:05,267 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:48:05,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:48:05,269 INFO L85 PathProgramCache]: Analyzing trace with hash 2131344030, now seen corresponding path program 1 times [2023-11-12 00:48:05,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:48:05,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900009835] [2023-11-12 00:48:05,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:05,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:48:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:48:05,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:48:05,803 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:48:05,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900009835] [2023-11-12 00:48:05,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900009835] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:48:05,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:48:05,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:48:05,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973931565] [2023-11-12 00:48:05,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:48:05,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:48:05,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:48:05,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:48:05,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:48:05,807 INFO L87 Difference]: Start difference. First operand 4065 states and 6063 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 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)