./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 cf1a7837 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_bb396956-6bb5-488d-a905-3add122036ff/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb396956-6bb5-488d-a905-3add122036ff/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_bb396956-6bb5-488d-a905-3add122036ff/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb396956-6bb5-488d-a905-3add122036ff/bin/utaipan-verify-NcY6lQBIFX/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_bb396956-6bb5-488d-a905-3add122036ff/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_bb396956-6bb5-488d-a905-3add122036ff/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 3ecfb8b0fcef33da98f558e52c103bea043ca8b7f1be39029ddcf57b060bd03a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:41:55,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:41:55,533 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb396956-6bb5-488d-a905-3add122036ff/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:41:55,544 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:41:55,545 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:41:55,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:41:55,594 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:41:55,594 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:41:55,595 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:41:55,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:41:55,603 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:41:55,604 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:41:55,605 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:41:55,607 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:41:55,607 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:41:55,608 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:41:55,608 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:41:55,609 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:41:55,609 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:41:55,610 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:41:55,610 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:41:55,611 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:41:55,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:41:55,612 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:41:55,613 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:41:55,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:41:55,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:41:55,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:41:55,615 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:41:55,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:41:55,616 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:41:55,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:41:55,617 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:41:55,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:41:55,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:41:55,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:41:55,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:41:55,619 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:41:55,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:41:55,619 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:41:55,619 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:41:55,620 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:41:55,620 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_bb396956-6bb5-488d-a905-3add122036ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb396956-6bb5-488d-a905-3add122036ff/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ecfb8b0fcef33da98f558e52c103bea043ca8b7f1be39029ddcf57b060bd03a [2023-11-12 00:41:55,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:41:55,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:41:55,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:41:55,932 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:41:55,932 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:41:55,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb396956-6bb5-488d-a905-3add122036ff/bin/utaipan-verify-NcY6lQBIFX/../../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 [2023-11-12 00:41:59,032 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:41:59,751 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:41:59,752 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb396956-6bb5-488d-a905-3add122036ff/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 [2023-11-12 00:41:59,794 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb396956-6bb5-488d-a905-3add122036ff/bin/utaipan-verify-NcY6lQBIFX/data/cebe5e5c9/6abd7f89506b47e4b8b85c663fd3a2d7/FLAG785b3514d [2023-11-12 00:41:59,810 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb396956-6bb5-488d-a905-3add122036ff/bin/utaipan-verify-NcY6lQBIFX/data/cebe5e5c9/6abd7f89506b47e4b8b85c663fd3a2d7 [2023-11-12 00:41:59,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:41:59,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:41:59,816 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:41:59,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:41:59,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:41:59,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:41:59" (1/1) ... [2023-11-12 00:41:59,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f4d652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:41:59, skipping insertion in model container [2023-11-12 00:41:59,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:41:59" (1/1) ... [2023-11-12 00:41:59,992 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:42:02,067 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_bb396956-6bb5-488d-a905-3add122036ff/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] [2023-11-12 00:42:02,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:42:02,209 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:42:02,351 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] [2023-11-12 00:42:02,353 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] [2023-11-12 00:42:02,360 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] [2023-11-12 00:42:02,360 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] [2023-11-12 00:42:02,361 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] [2023-11-12 00:42:02,362 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] [2023-11-12 00:42:02,363 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] [2023-11-12 00:42:02,364 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] [2023-11-12 00:42:02,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [6215] [2023-11-12 00:42:02,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [6222] [2023-11-12 00:42:02,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6239] [2023-11-12 00:42:02,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6247] [2023-11-12 00:42:02,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [6254] [2023-11-12 00:42:02,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [6262] [2023-11-12 00:42:02,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; outsw": "+S" (addr), "+c" (count): "d" (port)); [6269] [2023-11-12 00:42:02,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("rep; insw": "+D" (addr), "+c" (count): "d" (port)); [6276] [2023-11-12 00:42:02,672 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_bb396956-6bb5-488d-a905-3add122036ff/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] [2023-11-12 00:42:02,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:42:02,927 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:42:02,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:02 WrapperNode [2023-11-12 00:42:02,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:42:02,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:42:02,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:42:02,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:42:02,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:02" (1/1) ... [2023-11-12 00:42:03,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:02" (1/1) ... [2023-11-12 00:42:03,314 INFO L138 Inliner]: procedures = 235, calls = 2318, calls flagged for inlining = 119, calls inlined = 115, statements flattened = 5903 [2023-11-12 00:42:03,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:42:03,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:42:03,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:42:03,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:42:03,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:02" (1/1) ... [2023-11-12 00:42:03,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:02" (1/1) ... [2023-11-12 00:42:03,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:02" (1/1) ... [2023-11-12 00:42:03,403 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:02" (1/1) ... [2023-11-12 00:42:03,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:02" (1/1) ... [2023-11-12 00:42:03,679 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:02" (1/1) ... [2023-11-12 00:42:03,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:02" (1/1) ... [2023-11-12 00:42:03,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:02" (1/1) ... [2023-11-12 00:42:03,789 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:42:03,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:42:03,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:42:03,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:42:03,792 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:02" (1/1) ... [2023-11-12 00:42:03,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:42:03,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb396956-6bb5-488d-a905-3add122036ff/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:42:03,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb396956-6bb5-488d-a905-3add122036ff/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:42:03,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb396956-6bb5-488d-a905-3add122036ff/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:42:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure smc_ioctl [2023-11-12 00:42:03,878 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_ioctl [2023-11-12 00:42:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2023-11-12 00:42:03,878 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2023-11-12 00:42:03,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:42:03,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:42:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure smc_hardware_send_packet [2023-11-12 00:42:03,879 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_hardware_send_packet [2023-11-12 00:42:03,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:42:03,879 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:42:03,880 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_detach [2023-11-12 00:42:03,880 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_detach [2023-11-12 00:42:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-11-12 00:42:03,881 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-11-12 00:42:03,881 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 00:42:03,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 00:42:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure mhz_3288_power [2023-11-12 00:42:03,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mhz_3288_power [2023-11-12 00:42:03,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-12 00:42:03,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-12 00:42:03,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:42:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:42:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_request_io [2023-11-12 00:42:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_request_io [2023-11-12 00:42:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-12 00:42:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-12 00:42:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure osi_load_firmware [2023-11-12 00:42:03,885 INFO L138 BoogieDeclarations]: Found implementation of procedure osi_load_firmware [2023-11-12 00:42:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 00:42:03,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 00:42:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:42:03,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:42:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notice [2023-11-12 00:42:03,886 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notice [2023-11-12 00:42:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:42:03,887 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:42:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 00:42:03,887 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 00:42:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-12 00:42:03,887 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-12 00:42:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure smc_set_xcvr [2023-11-12 00:42:03,887 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_set_xcvr [2023-11-12 00:42:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-11-12 00:42:03,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-11-12 00:42:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-12 00:42:03,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-12 00:42:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-12 00:42:03,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-12 00:42:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:42:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-12 00:42:03,890 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-12 00:42:03,890 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:42:03,890 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:42:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-12 00:42:03,891 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-12 00:42:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:42:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-12 00:42:03,891 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-12 00:42:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:42:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:42:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure mot_config [2023-11-12 00:42:03,893 INFO L138 BoogieDeclarations]: Found implementation of procedure mot_config [2023-11-12 00:42:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_resume [2023-11-12 00:42:03,893 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_resume [2023-11-12 00:42:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:42:03,893 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:42:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-12 00:42:03,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-12 00:42:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2023-11-12 00:42:03,894 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2023-11-12 00:42:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 00:42:03,894 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 00:42:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:42:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:42:03,895 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_suspend [2023-11-12 00:42:03,896 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_suspend [2023-11-12 00:42:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:42:03,896 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:42:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure check_sig [2023-11-12 00:42:03,896 INFO L138 BoogieDeclarations]: Found implementation of procedure check_sig [2023-11-12 00:42:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-12 00:42:03,896 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-12 00:42:03,896 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-12 00:42:03,897 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-12 00:42:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:42:03,897 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:42:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-12 00:42:03,897 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-12 00:42:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 00:42:03,897 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 00:42:03,897 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-12 00:42:03,897 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-12 00:42:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-12 00:42:03,898 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-12 00:42:03,898 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2023-11-12 00:42:03,898 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2023-11-12 00:42:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:42:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-12 00:42:03,899 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-12 00:42:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 00:42:03,899 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 00:42:03,899 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:42:03,900 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:42:03,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 00:42:03,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 00:42:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2023-11-12 00:42:03,901 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2023-11-12 00:42:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure cvt_ascii_address [2023-11-12 00:42:03,901 INFO L138 BoogieDeclarations]: Found implementation of procedure cvt_ascii_address [2023-11-12 00:42:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:42:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-12 00:42:03,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-12 00:42:03,901 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev16 [2023-11-12 00:42:03,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev16 [2023-11-12 00:42:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2023-11-12 00:42:03,902 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2023-11-12 00:42:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure smc91c92_release [2023-11-12 00:42:03,902 INFO L138 BoogieDeclarations]: Found implementation of procedure smc91c92_release [2023-11-12 00:42:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:42:03,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:42:03,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 00:42:03,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 00:42:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:42:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 00:42:03,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 00:42:03,903 INFO L130 BoogieDeclarations]: Found specification of procedure __bitrev8 [2023-11-12 00:42:03,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitrev8 [2023-11-12 00:42:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:42:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:42:03,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:42:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:42:03,904 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2023-11-12 00:42:03,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2023-11-12 00:42:03,907 INFO L130 BoogieDeclarations]: Found specification of procedure s9k_config [2023-11-12 00:42:03,909 INFO L138 BoogieDeclarations]: Found implementation of procedure s9k_config [2023-11-12 00:42:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure smc_tx_timeout [2023-11-12 00:42:03,910 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_tx_timeout [2023-11-12 00:42:03,910 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-12 00:42:03,911 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-12 00:42:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure smc_reset [2023-11-12 00:42:03,912 INFO L138 BoogieDeclarations]: Found implementation of procedure smc_reset [2023-11-12 00:42:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:42:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2023-11-12 00:42:03,918 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2023-11-12 00:42:03,919 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-12 00:42:03,919 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-12 00:42:03,919 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-12 00:42:03,919 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-12 00:42:03,919 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-12 00:42:03,919 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-12 00:42:03,920 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2023-11-12 00:42:03,920 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2023-11-12 00:42:03,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:42:03,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:42:04,649 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:42:04,654 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:42:06,542 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:42:15,229 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:42:18,175 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:42:18,176 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:42:18,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:42:18 BoogieIcfgContainer [2023-11-12 00:42:18,182 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:42:18,185 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:42:18,185 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:42:18,188 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:42:18,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:41:59" (1/3) ... [2023-11-12 00:42:18,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2632ccd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:42:18, skipping insertion in model container [2023-11-12 00:42:18,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:42:02" (2/3) ... [2023-11-12 00:42:18,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2632ccd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:42:18, skipping insertion in model container [2023-11-12 00:42:18,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:42:18" (3/3) ... [2023-11-12 00:42:18,193 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 [2023-11-12 00:42:18,214 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:42:18,214 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:42:18,321 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:42:18,331 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;@374c858b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:42:18,331 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:42:18,344 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) [2023-11-12 00:42:18,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2023-11-12 00:42:18,399 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:18,401 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] [2023-11-12 00:42:18,401 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:42:18,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:18,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1809247833, now seen corresponding path program 1 times [2023-11-12 00:42:18,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:18,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133874734] [2023-11-12 00:42:18,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:18,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:24,259 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2023-11-12 00:42:24,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:42:24,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133874734] [2023-11-12 00:42:24,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133874734] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:42:24,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:42:24,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:42:24,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342007215] [2023-11-12 00:42:24,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:42:24,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:42:24,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:42:24,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:42:24,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:42:24,329 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) [2023-11-12 00:42:26,461 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 [] [2023-11-12 00:42:28,478 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 [] [2023-11-12 00:42:37,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:42:37,059 INFO L93 Difference]: Finished difference Result 5104 states and 7659 transitions. [2023-11-12 00:42:37,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 00:42:37,063 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 [2023-11-12 00:42:37,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:42:37,117 INFO L225 Difference]: With dead ends: 5104 [2023-11-12 00:42:37,118 INFO L226 Difference]: Without dead ends: 3795 [2023-11-12 00:42:37,140 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 [2023-11-12 00:42:37,145 INFO L413 NwaCegarLoop]: 1709 mSDtfsCounter, 4793 mSDsluCounter, 2454 mSDsCounter, 0 mSdLazyCounter, 1607 mSolverCounterSat, 904 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s 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, 12.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:42:37,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4793 Valid, 4163 Invalid, 2513 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [904 Valid, 1607 Invalid, 2 Unknown, 0 Unchecked, 12.1s Time] [2023-11-12 00:42:37,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3795 states. [2023-11-12 00:42:37,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3795 to 3783. [2023-11-12 00:42:37,764 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) [2023-11-12 00:42:37,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3783 states to 3783 states and 5651 transitions. [2023-11-12 00:42:37,805 INFO L78 Accepts]: Start accepts. Automaton has 3783 states and 5651 transitions. Word has length 240 [2023-11-12 00:42:37,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:42:37,807 INFO L495 AbstractCegarLoop]: Abstraction has 3783 states and 5651 transitions. [2023-11-12 00:42:37,808 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) [2023-11-12 00:42:37,808 INFO L276 IsEmpty]: Start isEmpty. Operand 3783 states and 5651 transitions. [2023-11-12 00:42:37,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-12 00:42:37,830 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:42:37,831 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] [2023-11-12 00:42:37,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:42:37,832 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:42:37,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:42:37,833 INFO L85 PathProgramCache]: Analyzing trace with hash 685572647, now seen corresponding path program 1 times [2023-11-12 00:42:37,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:42:37,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258805585] [2023-11-12 00:42:37,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:42:37,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:42:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:42:42,553 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2023-11-12 00:42:42,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:42:42,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258805585] [2023-11-12 00:42:42,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258805585] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:42:42,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:42:42,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:42:42,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517750178] [2023-11-12 00:42:42,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:42:42,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:42:42,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:42:42,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:42:42,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:42:42,563 INFO L87 Difference]: Start difference. First operand 3783 states and 5651 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 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) [2023-11-12 00:42:44,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []