./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.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_86a4cfe1-0b79-4fc1-8beb-fcfb3c89405c/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a4cfe1-0b79-4fc1-8beb-fcfb3c89405c/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a4cfe1-0b79-4fc1-8beb-fcfb3c89405c/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a4cfe1-0b79-4fc1-8beb-fcfb3c89405c/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a4cfe1-0b79-4fc1-8beb-fcfb3c89405c/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a4cfe1-0b79-4fc1-8beb-fcfb3c89405c/bin/utaipan-verify-t7M7D8N6sZ --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 3ecfb8b0fcef33da98f558e52c103bea043ca8b7f1be39029ddcf57b060bd03a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:10:45,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:10:46,064 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a4cfe1-0b79-4fc1-8beb-fcfb3c89405c/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:10:46,071 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:10:46,073 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:10:46,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:10:46,119 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:10:46,120 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:10:46,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:10:46,127 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:10:46,128 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:10:46,130 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:10:46,130 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:10:46,133 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:10:46,133 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:10:46,134 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:10:46,134 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:10:46,135 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:10:46,135 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:10:46,136 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:10:46,137 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:10:46,137 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:10:46,139 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:10:46,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:10:46,140 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:10:46,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:10:46,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:10:46,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:10:46,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:10:46,143 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:10:46,144 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:10:46,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:10:46,145 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:10:46,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:10:46,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:10:46,146 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:10:46,147 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:10:46,147 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:10:46,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:10:46,148 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:10:46,148 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:10:46,148 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:10:46,149 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_86a4cfe1-0b79-4fc1-8beb-fcfb3c89405c/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a4cfe1-0b79-4fc1-8beb-fcfb3c89405c/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ecfb8b0fcef33da98f558e52c103bea043ca8b7f1be39029ddcf57b060bd03a [2023-11-19 04:10:46,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:10:46,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:10:46,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:10:46,596 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:10:46,597 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:10:46,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a4cfe1-0b79-4fc1-8beb-fcfb3c89405c/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i [2023-11-19 04:10:49,820 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:10:50,688 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:10:50,690 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a4cfe1-0b79-4fc1-8beb-fcfb3c89405c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i [2023-11-19 04:10:50,770 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a4cfe1-0b79-4fc1-8beb-fcfb3c89405c/bin/utaipan-verify-t7M7D8N6sZ/data/6efb251c1/a374962084134fc3b8320a0bd4174fe0/FLAG81fc8a809 [2023-11-19 04:10:50,788 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a4cfe1-0b79-4fc1-8beb-fcfb3c89405c/bin/utaipan-verify-t7M7D8N6sZ/data/6efb251c1/a374962084134fc3b8320a0bd4174fe0 [2023-11-19 04:10:50,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:10:50,797 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:10:50,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:10:50,802 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:10:50,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:10:50,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:10:50" (1/1) ... [2023-11-19 04:10:50,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c6fda59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:50, skipping insertion in model container [2023-11-19 04:10:50,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:10:50" (1/1) ... [2023-11-19 04:10:50,987 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:10:53,141 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_86a4cfe1-0b79-4fc1-8beb-fcfb3c89405c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i[290722,290735] [2023-11-19 04:10:53,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:10:53,326 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:10:53,499 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"); [5941] [2023-11-19 04:10:53,501 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)); [5948] [2023-11-19 04:10:53,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (831), "i" (12UL)); [6077-6078] [2023-11-19 04:10:53,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (43UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6083-6085] [2023-11-19 04:10:53,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (836), "i" (12UL)); [6107-6108] [2023-11-19 04:10:53,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [6113-6115] [2023-11-19 04:10:53,516 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"./arch/x86/include/asm/paravirt.h"), "i" (841), "i" (12UL)); [6136-6137] [2023-11-19 04:10:53,516 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6142-6144] [2023-11-19 04:10:53,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [6215] [2023-11-19 04:10:53,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [6222] [2023-11-19 04:10:53,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6239] [2023-11-19 04:10:53,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6247] [2023-11-19 04:10:53,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [6254] [2023-11-19 04:10:53,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [6262] [2023-11-19 04:10:53,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsw": "+S" (addr), "+c" (count): "d" (port)); [6269] [2023-11-19 04:10:53,524 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insw": "+D" (addr), "+c" (count): "d" (port)); [6276] [2023-11-19 04:10:53,786 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_86a4cfe1-0b79-4fc1-8beb-fcfb3c89405c/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i[290722,290735] [2023-11-19 04:10:53,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:10:54,062 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:10:54,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:54 WrapperNode [2023-11-19 04:10:54,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:10:54,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:10:54,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:10:54,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:10:54,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:54" (1/1) ... [2023-11-19 04:10:54,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:54" (1/1) ... [2023-11-19 04:10:54,515 INFO L138 Inliner]: procedures = 235, calls = 2318, calls flagged for inlining = 119, calls inlined = 115, statements flattened = 5903 [2023-11-19 04:10:54,515 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:10:54,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:10:54,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:10:54,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:10:54,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:54" (1/1) ... [2023-11-19 04:10:54,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:54" (1/1) ... [2023-11-19 04:10:54,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:54" (1/1) ... [2023-11-19 04:10:54,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:54" (1/1) ... [2023-11-19 04:10:54,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:54" (1/1) ... [2023-11-19 04:10:54,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:54" (1/1) ... [2023-11-19 04:10:54,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:54" (1/1) ... [2023-11-19 04:10:54,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:54" (1/1) ... [2023-11-19 04:10:55,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:10:55,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:10:55,020 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:10:55,020 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:10:55,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:54" (1/1) ... [2023-11-19 04:10:55,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:10:55,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a4cfe1-0b79-4fc1-8beb-fcfb3c89405c/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:10:55,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a4cfe1-0b79-4fc1-8beb-fcfb3c89405c/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:10:55,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86a4cfe1-0b79-4fc1-8beb-fcfb3c89405c/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:10:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure smc_ioctl [2023-11-19 04:10:55,117 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_ioctl [2023-11-19 04:10:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-19 04:10:55,118 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-19 04:10:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:10:55,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:10:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure smc_hardware_send_packet [2023-11-19 04:10:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_hardware_send_packet [2023-11-19 04:10:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:10:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:10:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_detach [2023-11-19 04:10:55,120 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_detach [2023-11-19 04:10:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-11-19 04:10:55,120 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-11-19 04:10:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 04:10:55,121 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 04:10:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure mhz_3288_power [2023-11-19 04:10:55,121 INFO L138 BoogieDeclarations]: Found implementation of procedure mhz_3288_power [2023-11-19 04:10:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 04:10:55,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 04:10:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:10:55,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:10:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_io [2023-11-19 04:10:55,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_io [2023-11-19 04:10:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-19 04:10:55,123 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-19 04:10:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure osi_load_firmware [2023-11-19 04:10:55,123 INFO L138 BoogieDeclarations]: Found implementation of procedure osi_load_firmware [2023-11-19 04:10:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 04:10:55,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 04:10:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:10:55,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:10:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notice [2023-11-19 04:10:55,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notice [2023-11-19 04:10:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:10:55,125 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:10:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-19 04:10:55,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-19 04:10:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-19 04:10:55,126 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-19 04:10:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure smc_set_xcvr [2023-11-19 04:10:55,126 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_set_xcvr [2023-11-19 04:10:55,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-11-19 04:10:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-11-19 04:10:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-19 04:10:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-19 04:10:55,127 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-19 04:10:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-19 04:10:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:10:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-19 04:10:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-19 04:10:55,128 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-19 04:10:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-19 04:10:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-19 04:10:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-19 04:10:55,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:10:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 04:10:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 04:10:55,130 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-19 04:10:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-19 04:10:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure mot_config [2023-11-19 04:10:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mot_config [2023-11-19 04:10:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_resume [2023-11-19 04:10:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_resume [2023-11-19 04:10:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 04:10:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 04:10:55,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 04:10:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 04:10:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2023-11-19 04:10:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2023-11-19 04:10:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:10:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:10:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:10:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:10:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_suspend [2023-11-19 04:10:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_suspend [2023-11-19 04:10:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:10:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:10:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure check_sig [2023-11-19 04:10:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure check_sig [2023-11-19 04:10:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-19 04:10:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-19 04:10:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-19 04:10:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-19 04:10:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 04:10:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 04:10:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 04:10:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 04:10:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 04:10:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 04:10:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-19 04:10:55,139 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-19 04:10:55,139 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-19 04:10:55,139 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-19 04:10:55,140 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2023-11-19 04:10:55,140 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2023-11-19 04:10:55,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:10:55,140 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-19 04:10:55,140 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-19 04:10:55,141 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 04:10:55,141 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 04:10:55,141 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-19 04:10:55,142 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-19 04:10:55,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 04:10:55,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 04:10:55,143 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2023-11-19 04:10:55,143 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2023-11-19 04:10:55,143 INFO L130 BoogieDeclarations]: Found specification of procedure cvt_ascii_address [2023-11-19 04:10:55,144 INFO L138 BoogieDeclarations]: Found implementation of procedure cvt_ascii_address [2023-11-19 04:10:55,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:10:55,144 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 04:10:55,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 04:10:55,144 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2023-11-19 04:10:55,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2023-11-19 04:10:55,145 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2023-11-19 04:10:55,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2023-11-19 04:10:55,145 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_release [2023-11-19 04:10:55,145 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_release [2023-11-19 04:10:55,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:10:55,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:10:55,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 04:10:55,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 04:10:55,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:10:55,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 04:10:55,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 04:10:55,147 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2023-11-19 04:10:55,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2023-11-19 04:10:55,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:10:55,148 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 04:10:55,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 04:10:55,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:10:55,148 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2023-11-19 04:10:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2023-11-19 04:10:55,151 INFO L130 BoogieDeclarations]: Found specification of procedure s9k_config [2023-11-19 04:10:55,154 INFO L138 BoogieDeclarations]: Found implementation of procedure s9k_config [2023-11-19 04:10:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure smc_tx_timeout [2023-11-19 04:10:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_tx_timeout [2023-11-19 04:10:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-19 04:10:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-19 04:10:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure smc_reset [2023-11-19 04:10:55,157 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_reset [2023-11-19 04:10:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:10:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-19 04:10:55,163 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-19 04:10:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-19 04:10:55,164 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-19 04:10:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-19 04:10:55,165 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-19 04:10:55,165 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-19 04:10:55,165 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-19 04:10:55,166 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-19 04:10:55,166 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-19 04:10:55,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:10:55,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:10:56,027 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:10:56,031 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:10:57,906 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:11:06,589 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:11:09,774 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:11:09,775 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:11:09,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:11:09 BoogieIcfgContainer [2023-11-19 04:11:09,792 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:11:09,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:11:09,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:11:09,802 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:11:09,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:10:50" (1/3) ... [2023-11-19 04:11:09,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e39b69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:11:09, skipping insertion in model container [2023-11-19 04:11:09,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:10:54" (2/3) ... [2023-11-19 04:11:09,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e39b69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:11:09, skipping insertion in model container [2023-11-19 04:11:09,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:11:09" (3/3) ... [2023-11-19 04:11:09,806 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--smsc--smc91c92_cs.ko-entry_point.cil.out.i [2023-11-19 04:11:09,828 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:11:09,829 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:11:09,956 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:11:09,965 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;@5002f749, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:11:09,965 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:11:09,981 INFO L276 IsEmpty]: Start isEmpty. Operand has 1292 states, 756 states have (on average 1.335978835978836) internal successors, (1010), 813 states have internal predecessors, (1010), 464 states have call successors, (464), 71 states have call predecessors, (464), 70 states have return successors, (458), 448 states have call predecessors, (458), 458 states have call successors, (458) [2023-11-19 04:11:10,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-19 04:11:10,078 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:11:10,080 INFO L195 NwaCegarLoop]: trace histogram [11, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:11:10,081 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:11:10,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:11:10,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1809247833, now seen corresponding path program 1 times [2023-11-19 04:11:10,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:11:10,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206840188] [2023-11-19 04:11:10,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:11:10,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:11:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:11:16,601 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2023-11-19 04:11:16,601 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:11:16,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206840188] [2023-11-19 04:11:16,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206840188] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:11:16,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:11:16,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:11:16,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176814260] [2023-11-19 04:11:16,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:11:16,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:11:16,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:11:16,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:11:16,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:11:16,666 INFO L87 Difference]: Start difference. First operand has 1292 states, 756 states have (on average 1.335978835978836) internal successors, (1010), 813 states have internal predecessors, (1010), 464 states have call successors, (464), 71 states have call predecessors, (464), 70 states have return successors, (458), 448 states have call predecessors, (458), 458 states have call successors, (458) Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-11-19 04:11:18,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:11:20,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:11:30,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:11:30,156 INFO L93 Difference]: Finished difference Result 5104 states and 7659 transitions. [2023-11-19 04:11:30,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:11:30,165 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 240 [2023-11-19 04:11:30,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:11:30,249 INFO L225 Difference]: With dead ends: 5104 [2023-11-19 04:11:30,249 INFO L226 Difference]: Without dead ends: 3795 [2023-11-19 04:11:30,275 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 04:11:30,280 INFO L413 NwaCegarLoop]: 1709 mSDtfsCounter, 4793 mSDsluCounter, 2454 mSDsCounter, 0 mSdLazyCounter, 1607 mSolverCounterSat, 904 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4793 SdHoareTripleChecker+Valid, 4163 SdHoareTripleChecker+Invalid, 2513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 904 IncrementalHoareTripleChecker+Valid, 1607 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2023-11-19 04:11:30,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4793 Valid, 4163 Invalid, 2513 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [904 Valid, 1607 Invalid, 2 Unknown, 0 Unchecked, 12.7s Time] [2023-11-19 04:11:30,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3795 states. [2023-11-19 04:11:30,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3795 to 3783. [2023-11-19 04:11:30,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3783 states, 2229 states have (on average 1.3243606998654105) internal successors, (2952), 2370 states have internal predecessors, (2952), 1350 states have call successors, (1350), 204 states have call predecessors, (1350), 203 states have return successors, (1349), 1321 states have call predecessors, (1349), 1349 states have call successors, (1349) [2023-11-19 04:11:30,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3783 states to 3783 states and 5651 transitions. [2023-11-19 04:11:30,850 INFO L78 Accepts]: Start accepts. Automaton has 3783 states and 5651 transitions. Word has length 240 [2023-11-19 04:11:30,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:11:30,855 INFO L495 AbstractCegarLoop]: Abstraction has 3783 states and 5651 transitions. [2023-11-19 04:11:30,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-11-19 04:11:30,855 INFO L276 IsEmpty]: Start isEmpty. Operand 3783 states and 5651 transitions. [2023-11-19 04:11:30,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-19 04:11:30,884 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:11:30,884 INFO L195 NwaCegarLoop]: trace histogram [11, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:11:30,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:11:30,885 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:11:30,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:11:30,886 INFO L85 PathProgramCache]: Analyzing trace with hash 685572647, now seen corresponding path program 1 times [2023-11-19 04:11:30,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:11:30,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119540694] [2023-11-19 04:11:30,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:11:30,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms