./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-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00715c8b-1aca-4340-a43c-748f7a7757cd/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00715c8b-1aca-4340-a43c-748f7a7757cd/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00715c8b-1aca-4340-a43c-748f7a7757cd/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00715c8b-1aca-4340-a43c-748f7a7757cd/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00715c8b-1aca-4340-a43c-748f7a7757cd/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00715c8b-1aca-4340-a43c-748f7a7757cd/bin/utaipan-verify-sOmjnqqW8E --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 320b7d1e6644967c46f7e8e7bf75fe72a135182fd29b7d8b00aa24dd98e9882e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:45:20,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:45:20,326 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00715c8b-1aca-4340-a43c-748f7a7757cd/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 05:45:20,331 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:45:20,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:45:20,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:45:20,370 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:45:20,370 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:45:20,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:45:20,370 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:45:20,371 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:45:20,371 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:45:20,371 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:45:20,371 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:45:20,371 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:45:20,371 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:45:20,371 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:45:20,371 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:45:20,371 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:45:20,373 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:45:20,374 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:45:20,374 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:45:20,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:45:20,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:45:20,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:45:20,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:45:20,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:45:20,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:45:20,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:45:20,377 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:45:20,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:45:20,377 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:45:20,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:45:20,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:45:20,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:45:20,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:45:20,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:45:20,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:45:20,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:45:20,378 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:45:20,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:45:20,378 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:45:20,378 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:45:20,379 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:45:20,379 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_00715c8b-1aca-4340-a43c-748f7a7757cd/bin/utaipan-verify-sOmjnqqW8E 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 -> 320b7d1e6644967c46f7e8e7bf75fe72a135182fd29b7d8b00aa24dd98e9882e [2024-11-14 05:45:20,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:45:20,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:45:20,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:45:20,719 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:45:20,719 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:45:20,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00715c8b-1aca-4340-a43c-748f7a7757cd/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i Unable to find full path for "g++" [2024-11-14 05:45:22,524 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:45:23,369 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:45:23,370 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00715c8b-1aca-4340-a43c-748f7a7757cd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2024-11-14 05:45:23,449 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00715c8b-1aca-4340-a43c-748f7a7757cd/bin/utaipan-verify-sOmjnqqW8E/data/b11a5fbb8/bda7436d30704aa4acfa63a9a9a75243/FLAGbacf80c8f [2024-11-14 05:45:23,469 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00715c8b-1aca-4340-a43c-748f7a7757cd/bin/utaipan-verify-sOmjnqqW8E/data/b11a5fbb8/bda7436d30704aa4acfa63a9a9a75243 [2024-11-14 05:45:23,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:45:23,473 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:45:23,476 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:45:23,476 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:45:23,484 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:45:23,485 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:45:23" (1/1) ... [2024-11-14 05:45:23,486 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22620767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:23, skipping insertion in model container [2024-11-14 05:45:23,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:45:23" (1/1) ... [2024-11-14 05:45:23,661 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:45:26,378 WARN L250 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_00715c8b-1aca-4340-a43c-748f7a7757cd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i[370344,370357] [2024-11-14 05:45:26,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:45:26,643 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:45:26,786 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"); [3930] [2024-11-14 05:45:26,788 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)); [3937] [2024-11-14 05:45:26,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3951-3952] [2024-11-14 05:45:26,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsfl %1,%0": "=r" (r): "rm" (x), "0" (-1)); [3960] [2024-11-14 05:45:26,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4299] [2024-11-14 05:45:26,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4306] [2024-11-14 05:45:26,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9066/dscv_tempdir/dscv/ri/32_7a/drivers/usb/host/fotg210-hcd.c"), "i" (1921), "i" (12UL)); [6562-6563] [2024-11-14 05:45:27,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9066/dscv_tempdir/dscv/ri/32_7a/drivers/usb/host/fotg210-hcd.c"), "i" (2133), "i" (12UL)); [6814-6815] [2024-11-14 05:45:27,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [7139] [2024-11-14 05:45:27,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7185] [2024-11-14 05:45:27,086 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7737] [2024-11-14 05:45:27,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7813] [2024-11-14 05:45:27,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7933] [2024-11-14 05:45:27,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8452] [2024-11-14 05:45:27,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8537] [2024-11-14 05:45:27,190 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9066/dscv_tempdir/dscv/ri/32_7a/drivers/usb/host/fotg210-hcd.c"), "i" (4035), "i" (12UL)); [8848-8849] [2024-11-14 05:45:27,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9481] [2024-11-14 05:45:27,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("lfence": : : "memory"); [9856] [2024-11-14 05:45:27,235 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [9887] [2024-11-14 05:45:27,250 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/9066/dscv_tempdir/dscv/ri/32_7a/drivers/usb/host/fotg210-hcd.c"), "i" (5180), "i" (12UL)); [10271-10272] [2024-11-14 05:45:27,327 WARN L250 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_00715c8b-1aca-4340-a43c-748f7a7757cd/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i[370344,370357] [2024-11-14 05:45:27,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:45:27,448 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:45:27,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:27 WrapperNode [2024-11-14 05:45:27,449 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:45:27,450 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:45:27,450 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:45:27,450 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:45:27,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:27" (1/1) ... [2024-11-14 05:45:27,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:27" (1/1) ... [2024-11-14 05:45:28,128 INFO L138 Inliner]: procedures = 384, calls = 4924, calls flagged for inlining = 150, calls inlined = 146, statements flattened = 14190 [2024-11-14 05:45:28,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:45:28,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:45:28,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:45:28,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:45:28,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:27" (1/1) ... [2024-11-14 05:45:28,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:27" (1/1) ... [2024-11-14 05:45:28,190 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:27" (1/1) ... [2024-11-14 05:45:28,190 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:27" (1/1) ... [2024-11-14 05:45:28,490 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:27" (1/1) ... [2024-11-14 05:45:28,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:27" (1/1) ... [2024-11-14 05:45:28,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:27" (1/1) ... [2024-11-14 05:45:28,658 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:27" (1/1) ... [2024-11-14 05:45:28,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:45:28,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:45:28,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:45:28,749 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:45:28,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:27" (1/1) ... [2024-11-14 05:45:28,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:45:28,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00715c8b-1aca-4340-a43c-748f7a7757cd/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:45:28,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00715c8b-1aca-4340-a43c-748f7a7757cd/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:45:28,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00715c8b-1aca-4340-a43c-748f7a7757cd/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:45:28,829 INFO L130 BoogieDeclarations]: Found specification of procedure single_unlink_async [2024-11-14 05:45:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure single_unlink_async [2024-11-14 05:45:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_PSS [2024-11-14 05:45:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_PSS [2024-11-14 05:45:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure end_unlink_async [2024-11-14 05:45:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure end_unlink_async [2024-11-14 05:45:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_status_buf [2024-11-14 05:45:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_status_buf [2024-11-14 05:45:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2024-11-14 05:45:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2024-11-14 05:45:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-14 05:45:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qh_alloc [2024-11-14 05:45:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qh_alloc [2024-11-14 05:45:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-14 05:45:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-14 05:45:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-14 05:45:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-14 05:45:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_dequeue [2024-11-14 05:45:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_dequeue [2024-11-14 05:45:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure turn_on_io_watchdog [2024-11-14 05:45:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure turn_on_io_watchdog [2024-11-14 05:45:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2024-11-14 05:45:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2024-11-14 05:45:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_to_hcd [2024-11-14 05:45:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_to_hcd [2024-11-14 05:45:28,832 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2024-11-14 05:45:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2024-11-14 05:45:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-14 05:45:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-14 05:45:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2024-11-14 05:45:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2024-11-14 05:45:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2024-11-14 05:45:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2024-11-14 05:45:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure qh_destroy [2024-11-14 05:45:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_destroy [2024-11-14 05:45:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure end_free_itds [2024-11-14 05:45:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure end_free_itds [2024-11-14 05:45:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-14 05:45:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-14 05:45:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-14 05:45:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-14 05:45:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_remove [2024-11-14 05:45:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_remove [2024-11-14 05:45:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_next_shadow [2024-11-14 05:45:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_next_shadow [2024-11-14 05:45:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_poll_ASS [2024-11-14 05:45:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_poll_ASS [2024-11-14 05:45:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2024-11-14 05:45:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2024-11-14 05:45:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_run [2024-11-14 05:45:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_run [2024-11-14 05:45:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-14 05:45:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-14 05:45:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 05:45:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 05:45:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_intr [2024-11-14 05:45:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_intr [2024-11-14 05:45:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 05:45:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 05:45:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_status_data [2024-11-14 05:45:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_status_data [2024-11-14 05:45:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_set_command_bit [2024-11-14 05:45:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_set_command_bit [2024-11-14 05:45:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2024-11-14 05:45:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2024-11-14 05:45:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure usb_maxpacket [2024-11-14 05:45:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_maxpacket [2024-11-14 05:45:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-14 05:45:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-14 05:45:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_init [2024-11-14 05:45:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_init [2024-11-14 05:45:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-14 05:45:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-14 05:45:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2024-11-14 05:45:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2024-11-14 05:45:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_relinquish_port [2024-11-14 05:45:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_relinquish_port [2024-11-14 05:45:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_fotg210 [2024-11-14 05:45:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_fotg210 [2024-11-14 05:45:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_irq [2024-11-14 05:45:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_irq [2024-11-14 05:45:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure start_free_itds [2024-11-14 05:45:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure start_free_itds [2024-11-14 05:45:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2024-11-14 05:45:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2024-11-14 05:45:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_stop [2024-11-14 05:45:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_stop [2024-11-14 05:45:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 05:45:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-14 05:45:28,842 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-14 05:45:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure bus_to_hcd [2024-11-14 05:45:28,842 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_to_hcd [2024-11-14 05:45:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_command_bit [2024-11-14 05:45:28,842 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_command_bit [2024-11-14 05:45:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_list_free [2024-11-14 05:45:28,842 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_list_free [2024-11-14 05:45:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 05:45:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-14 05:45:28,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-14 05:45:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2024-11-14 05:45:28,843 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2024-11-14 05:45:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2024-11-14 05:45:28,843 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2024-11-14 05:45:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-14 05:45:28,843 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-14 05:45:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure qtd_fill [2024-11-14 05:45:28,843 INFO L138 BoogieDeclarations]: Found implementation of procedure qtd_fill [2024-11-14 05:45:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-14 05:45:28,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-14 05:45:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_readl [2024-11-14 05:45:28,845 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_readl [2024-11-14 05:45:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-14 05:45:28,845 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-14 05:45:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2024-11-14 05:45:28,845 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2024-11-14 05:45:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer [2024-11-14 05:45:28,845 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer [2024-11-14 05:45:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2024-11-14 05:45:28,845 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2024-11-14 05:45:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 05:45:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 05:45:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_writel [2024-11-14 05:45:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_writel [2024-11-14 05:45:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure dbg_command_buf [2024-11-14 05:45:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure dbg_command_buf [2024-11-14 05:45:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-14 05:45:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-14 05:45:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure start_iaa_cycle [2024-11-14 05:45:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure start_iaa_cycle [2024-11-14 05:45:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_halt [2024-11-14 05:45:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_halt [2024-11-14 05:45:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2024-11-14 05:45:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2024-11-14 05:45:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hcd_probe [2024-11-14 05:45:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hcd_probe [2024-11-14 05:45:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_usecs [2024-11-14 05:45:28,848 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_usecs [2024-11-14 05:45:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-14 05:45:28,848 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-14 05:45:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-14 05:45:28,848 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-14 05:45:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_disable [2024-11-14 05:45:28,848 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_disable [2024-11-14 05:45:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2024-11-14 05:45:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2024-11-14 05:45:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-14 05:45:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-14 05:45:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-14 05:45:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-14 05:45:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-14 05:45:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-14 05:45:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure qh_completions [2024-11-14 05:45:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_completions [2024-11-14 05:45:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_mem_cleanup [2024-11-14 05:45:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_mem_cleanup [2024-11-14 05:45:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_controller_death [2024-11-14 05:45:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_controller_death [2024-11-14 05:45:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-14 05:45:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-14 05:45:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure disable_periodic [2024-11-14 05:45:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_periodic [2024-11-14 05:45:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2024-11-14 05:45:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2024-11-14 05:45:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure enable_periodic [2024-11-14 05:45:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_periodic [2024-11-14 05:45:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_speed [2024-11-14 05:45:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_speed [2024-11-14 05:45:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure qh_lines [2024-11-14 05:45:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_lines [2024-11-14 05:45:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-11-14 05:45:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-11-14 05:45:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_shutdown [2024-11-14 05:45:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_shutdown [2024-11-14 05:45:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-14 05:45:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-14 05:45:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_handle_intr_unlinks [2024-11-14 05:45:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_handle_intr_unlinks [2024-11-14 05:45:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 05:45:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-14 05:45:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-14 05:45:28,851 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2024-11-14 05:45:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2024-11-14 05:45:28,851 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_enable_event [2024-11-14 05:45:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_enable_event [2024-11-14 05:45:28,851 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_free [2024-11-14 05:45:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_free [2024-11-14 05:45:28,851 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_read_frame_index [2024-11-14 05:45:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_read_frame_index [2024-11-14 05:45:28,851 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2024-11-14 05:45:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2024-11-14 05:45:28,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 05:45:28,851 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_quiesce [2024-11-14 05:45:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_quiesce [2024-11-14 05:45:28,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_debug_buffer [2024-11-14 05:45:28,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_debug_buffer [2024-11-14 05:45:28,853 INFO L130 BoogieDeclarations]: Found specification of procedure qh_schedule [2024-11-14 05:45:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_schedule [2024-11-14 05:45:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_get_frame [2024-11-14 05:45:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_get_frame [2024-11-14 05:45:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure check_intr_schedule [2024-11-14 05:45:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure check_intr_schedule [2024-11-14 05:45:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2024-11-14 05:45:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2024-11-14 05:45:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-14 05:45:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-14 05:45:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_silence_controller [2024-11-14 05:45:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_silence_controller [2024-11-14 05:45:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2024-11-14 05:45:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2024-11-14 05:45:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-14 05:45:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-14 05:45:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_clear_tt_buffer_complete [2024-11-14 05:45:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_clear_tt_buffer_complete [2024-11-14 05:45:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2024-11-14 05:45:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2024-11-14 05:45:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-14 05:45:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-14 05:45:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 05:45:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-14 05:45:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-14 05:45:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_endpoint_reset [2024-11-14 05:45:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_endpoint_reset [2024-11-14 05:45:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_link_urb_to_ep [2024-11-14 05:45:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_link_urb_to_ep [2024-11-14 05:45:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-14 05:45:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-14 05:45:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-14 05:45:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-14 05:45:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure iso_sched_free [2024-11-14 05:45:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure iso_sched_free [2024-11-14 05:45:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-14 05:45:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-14 05:45:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 05:45:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_reset [2024-11-14 05:45:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_reset [2024-11-14 05:45:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-14 05:45:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-14 05:45:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-14 05:45:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-14 05:45:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:45:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure usb_calc_bus_time [2024-11-14 05:45:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_calc_bus_time [2024-11-14 05:45:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure hrtimer_cancel [2024-11-14 05:45:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure hrtimer_cancel [2024-11-14 05:45:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure qh_link_async [2024-11-14 05:45:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_link_async [2024-11-14 05:45:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 05:45:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_qtd_alloc [2024-11-14 05:45:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_qtd_alloc [2024-11-14 05:45:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_work [2024-11-14 05:45:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_work [2024-11-14 05:45:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure qh_urb_transaction [2024-11-14 05:45:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_urb_transaction [2024-11-14 05:45:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-14 05:45:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-14 05:45:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-14 05:45:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-14 05:45:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2024-11-14 05:45:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2024-11-14 05:45:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_hub_control [2024-11-14 05:45:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_hub_control [2024-11-14 05:45:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure check_period [2024-11-14 05:45:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure check_period [2024-11-14 05:45:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2024-11-14 05:45:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2024-11-14 05:45:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2024-11-14 05:45:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2024-11-14 05:45:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-14 05:45:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-14 05:45:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure shadow_next_periodic [2024-11-14 05:45:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure shadow_next_periodic [2024-11-14 05:45:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-14 05:45:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-14 05:45:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2024-11-14 05:45:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2024-11-14 05:45:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure handshake [2024-11-14 05:45:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure handshake [2024-11-14 05:45:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2024-11-14 05:45:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2024-11-14 05:45:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2024-11-14 05:45:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2024-11-14 05:45:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure qh_refresh [2024-11-14 05:45:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_refresh [2024-11-14 05:45:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-14 05:45:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-14 05:45:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_enqueue [2024-11-14 05:45:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_enqueue [2024-11-14 05:45:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure start_unlink_async [2024-11-14 05:45:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure start_unlink_async [2024-11-14 05:45:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2024-11-14 05:45:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2024-11-14 05:45:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2024-11-14 05:45:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2024-11-14 05:45:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-14 05:45:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-14 05:45:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2024-11-14 05:45:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2024-11-14 05:45:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2024-11-14 05:45:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2024-11-14 05:45:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-14 05:45:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-14 05:45:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure qh_append_tds [2024-11-14 05:45:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure qh_append_tds [2024-11-14 05:45:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-14 05:45:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-14 05:45:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:45:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_fotg210_init [2024-11-14 05:45:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_fotg210_init [2024-11-14 05:45:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_port_handed_over [2024-11-14 05:45:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_port_handed_over [2024-11-14 05:45:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure fotg210_urb_done [2024-11-14 05:45:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure fotg210_urb_done [2024-11-14 05:45:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:45:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:45:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2024-11-14 05:45:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2024-11-14 05:45:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-14 05:45:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-14 05:45:30,555 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:45:30,558 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:45:31,487 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-14 05:45:48,264 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_platform_driver_unregister_16_returnLabel#1: havoc ldv_platform_driver_unregister_16_~ldv_func_arg1#1.base, ldv_platform_driver_unregister_16_~ldv_func_arg1#1.offset;havoc ldv_platform_driver_unregister_16_#in~ldv_func_arg1#1.base, ldv_platform_driver_unregister_16_#in~ldv_func_arg1#1.offset;assume { :end_inline_ldv_platform_driver_unregister_16 } true; [2024-11-14 05:45:50,565 INFO L? ?]: Removed 4411 outVars from TransFormulas that were not future-live. [2024-11-14 05:45:50,565 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:45:57,727 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:45:57,729 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-14 05:45:57,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:45:57 BoogieIcfgContainer [2024-11-14 05:45:57,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:45:57,732 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:45:57,733 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:45:57,738 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:45:57,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:45:23" (1/3) ... [2024-11-14 05:45:57,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3edbdc23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:45:57, skipping insertion in model container [2024-11-14 05:45:57,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:45:27" (2/3) ... [2024-11-14 05:45:57,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3edbdc23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:45:57, skipping insertion in model container [2024-11-14 05:45:57,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:45:57" (3/3) ... [2024-11-14 05:45:57,742 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i [2024-11-14 05:45:57,761 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:45:57,764 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--host--fotg210-hcd.ko-entry_point.cil.out.i that has 153 procedures, 3214 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-14 05:45:57,938 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:45:57,957 INFO L333 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, 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;@5b5a8b97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:45:57,957 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:45:57,974 INFO L276 IsEmpty]: Start isEmpty. Operand has 3213 states, 1976 states have (on average 1.3228744939271255) internal successors, (2614), 2069 states have internal predecessors, (2614), 1084 states have call successors, (1084), 152 states have call predecessors, (1084), 151 states have return successors, (1076), 1051 states have call predecessors, (1076), 1076 states have call successors, (1076) [2024-11-14 05:45:57,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-14 05:45:57,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:45:57,997 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:45:57,998 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:45:58,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:45:58,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1544975136, now seen corresponding path program 1 times [2024-11-14 05:45:58,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:45:58,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376421746] [2024-11-14 05:45:58,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:45:58,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:46:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:46:05,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1521 trivial. 0 not checked. [2024-11-14 05:46:05,473 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:46:05,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376421746] [2024-11-14 05:46:05,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376421746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:46:05,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:46:05,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:46:05,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654749345] [2024-11-14 05:46:05,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:46:05,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:46:05,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:46:05,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:46:05,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:46:05,521 INFO L87 Difference]: Start difference. First operand has 3213 states, 1976 states have (on average 1.3228744939271255) internal successors, (2614), 2069 states have internal predecessors, (2614), 1084 states have call successors, (1084), 152 states have call predecessors, (1084), 151 states have return successors, (1076), 1051 states have call predecessors, (1076), 1076 states have call successors, (1076) Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-14 05:46:07,650 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 [] [2024-11-14 05:46:17,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:46:17,279 INFO L93 Difference]: Finished difference Result 9492 states and 14117 transitions. [2024-11-14 05:46:17,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:46:17,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 296 [2024-11-14 05:46:17,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:46:17,360 INFO L225 Difference]: With dead ends: 9492 [2024-11-14 05:46:17,360 INFO L226 Difference]: Without dead ends: 6295 [2024-11-14 05:46:17,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:46:17,389 INFO L432 NwaCegarLoop]: 4295 mSDtfsCounter, 4723 mSDsluCounter, 4197 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4723 SdHoareTripleChecker+Valid, 8492 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2024-11-14 05:46:17,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4723 Valid, 8492 Invalid, 954 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 951 Invalid, 1 Unknown, 0 Unchecked, 11.2s Time] [2024-11-14 05:46:17,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6295 states. [2024-11-14 05:46:17,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6295 to 6280. [2024-11-14 05:46:17,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6280 states, 3875 states have (on average 1.3179354838709678) internal successors, (5107), 4038 states have internal predecessors, (5107), 2105 states have call successors, (2105), 300 states have call predecessors, (2105), 299 states have return successors, (2099), 2047 states have call predecessors, (2099), 2099 states have call successors, (2099) [2024-11-14 05:46:18,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6280 states to 6280 states and 9311 transitions. [2024-11-14 05:46:18,053 INFO L78 Accepts]: Start accepts. Automaton has 6280 states and 9311 transitions. Word has length 296 [2024-11-14 05:46:18,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:46:18,058 INFO L471 AbstractCegarLoop]: Abstraction has 6280 states and 9311 transitions. [2024-11-14 05:46:18,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-14 05:46:18,058 INFO L276 IsEmpty]: Start isEmpty. Operand 6280 states and 9311 transitions. [2024-11-14 05:46:18,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-14 05:46:18,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:46:18,069 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:46:18,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:46:18,070 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:46:18,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:46:18,075 INFO L85 PathProgramCache]: Analyzing trace with hash 2144605431, now seen corresponding path program 1 times [2024-11-14 05:46:18,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:46:18,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116113152] [2024-11-14 05:46:18,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:46:18,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:46:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:46:24,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1521 trivial. 0 not checked. [2024-11-14 05:46:24,136 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:46:24,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116113152] [2024-11-14 05:46:24,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116113152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:46:24,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:46:24,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:46:24,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412649280] [2024-11-14 05:46:24,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:46:24,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:46:24,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:46:24,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:46:24,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:46:24,142 INFO L87 Difference]: Start difference. First operand 6280 states and 9311 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-14 05:46:26,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:46:36,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:46:36,750 INFO L93 Difference]: Finished difference Result 18671 states and 27678 transitions. [2024-11-14 05:46:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:46:36,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 297 [2024-11-14 05:46:36,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:46:36,864 INFO L225 Difference]: With dead ends: 18671 [2024-11-14 05:46:36,864 INFO L226 Difference]: Without dead ends: 12452 [2024-11-14 05:46:36,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:46:36,911 INFO L432 NwaCegarLoop]: 4286 mSDtfsCounter, 4678 mSDsluCounter, 4158 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4678 SdHoareTripleChecker+Valid, 8444 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:46:36,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4678 Valid, 8444 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 950 Invalid, 1 Unknown, 0 Unchecked, 12.0s Time] [2024-11-14 05:46:36,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12452 states. [2024-11-14 05:46:37,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12452 to 12436. [2024-11-14 05:46:37,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12436 states, 7677 states have (on average 1.318223264295949) internal successors, (10120), 8000 states have internal predecessors, (10120), 4161 states have call successors, (4161), 598 states have call predecessors, (4161), 597 states have return successors, (4155), 4049 states have call predecessors, (4155), 4155 states have call successors, (4155) [2024-11-14 05:46:38,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12436 states to 12436 states and 18436 transitions. [2024-11-14 05:46:38,011 INFO L78 Accepts]: Start accepts. Automaton has 12436 states and 18436 transitions. Word has length 297 [2024-11-14 05:46:38,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:46:38,015 INFO L471 AbstractCegarLoop]: Abstraction has 12436 states and 18436 transitions. [2024-11-14 05:46:38,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-14 05:46:38,016 INFO L276 IsEmpty]: Start isEmpty. Operand 12436 states and 18436 transitions. [2024-11-14 05:46:38,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-11-14 05:46:38,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:46:38,024 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:46:38,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:46:38,025 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:46:38,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:46:38,026 INFO L85 PathProgramCache]: Analyzing trace with hash 2061814538, now seen corresponding path program 1 times [2024-11-14 05:46:38,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:46:38,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073145667] [2024-11-14 05:46:38,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:46:38,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:46:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:46:43,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1521 trivial. 0 not checked. [2024-11-14 05:46:43,261 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:46:43,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073145667] [2024-11-14 05:46:43,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073145667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:46:43,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:46:43,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:46:43,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090717599] [2024-11-14 05:46:43,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:46:43,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:46:43,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:46:43,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:46:43,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:46:43,265 INFO L87 Difference]: Start difference. First operand 12436 states and 18436 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-14 05:46:45,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:46:54,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:46:54,467 INFO L93 Difference]: Finished difference Result 36728 states and 54424 transitions. [2024-11-14 05:46:54,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:46:54,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 302 [2024-11-14 05:46:54,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:46:54,662 INFO L225 Difference]: With dead ends: 36728 [2024-11-14 05:46:54,662 INFO L226 Difference]: Without dead ends: 24353 [2024-11-14 05:46:54,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:46:54,747 INFO L432 NwaCegarLoop]: 4773 mSDtfsCounter, 4652 mSDsluCounter, 4157 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4652 SdHoareTripleChecker+Valid, 8930 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2024-11-14 05:46:54,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4652 Valid, 8930 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1003 Invalid, 1 Unknown, 0 Unchecked, 10.5s Time] [2024-11-14 05:46:54,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24353 states. [2024-11-14 05:46:56,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24353 to 24339. [2024-11-14 05:46:56,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24339 states, 15034 states have (on average 1.3182785685778902) internal successors, (19819), 15660 states have internal predecessors, (19819), 8122 states have call successors, (8122), 1183 states have call predecessors, (8122), 1182 states have return successors, (8116), 7913 states have call predecessors, (8116), 8116 states have call successors, (8116) [2024-11-14 05:46:56,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24339 states to 24339 states and 36057 transitions. [2024-11-14 05:46:56,614 INFO L78 Accepts]: Start accepts. Automaton has 24339 states and 36057 transitions. Word has length 302 [2024-11-14 05:46:56,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:46:56,615 INFO L471 AbstractCegarLoop]: Abstraction has 24339 states and 36057 transitions. [2024-11-14 05:46:56,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-14 05:46:56,616 INFO L276 IsEmpty]: Start isEmpty. Operand 24339 states and 36057 transitions. [2024-11-14 05:46:56,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-11-14 05:46:56,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:46:56,622 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:46:56,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 05:46:56,623 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:46:56,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:46:56,623 INFO L85 PathProgramCache]: Analyzing trace with hash 226322116, now seen corresponding path program 1 times [2024-11-14 05:46:56,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:46:56,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775285868] [2024-11-14 05:46:56,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:46:56,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:47:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:47:02,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1521 trivial. 0 not checked. [2024-11-14 05:47:02,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:47:02,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775285868] [2024-11-14 05:47:02,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775285868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:47:02,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:47:02,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:47:02,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289448572] [2024-11-14 05:47:02,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:47:02,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:47:02,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:47:02,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:47:02,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:47:02,959 INFO L87 Difference]: Start difference. First operand 24339 states and 36057 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-14 05:47:05,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:47:09,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:47:09,749 INFO L93 Difference]: Finished difference Result 24341 states and 36058 transitions. [2024-11-14 05:47:09,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:47:09,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 304 [2024-11-14 05:47:09,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:47:09,916 INFO L225 Difference]: With dead ends: 24341 [2024-11-14 05:47:09,916 INFO L226 Difference]: Without dead ends: 24338 [2024-11-14 05:47:09,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:47:09,931 INFO L432 NwaCegarLoop]: 4254 mSDtfsCounter, 4652 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4652 SdHoareTripleChecker+Valid, 4254 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:47:09,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4652 Valid, 4254 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 470 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2024-11-14 05:47:09,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24338 states. [2024-11-14 05:47:11,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24338 to 24338. [2024-11-14 05:47:11,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24338 states, 15034 states have (on average 1.3182120526805907) internal successors, (19818), 15659 states have internal predecessors, (19818), 8121 states have call successors, (8121), 1183 states have call predecessors, (8121), 1182 states have return successors, (8116), 7913 states have call predecessors, (8116), 8116 states have call successors, (8116) [2024-11-14 05:47:11,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24338 states to 24338 states and 36055 transitions. [2024-11-14 05:47:11,535 INFO L78 Accepts]: Start accepts. Automaton has 24338 states and 36055 transitions. Word has length 304 [2024-11-14 05:47:11,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:47:11,538 INFO L471 AbstractCegarLoop]: Abstraction has 24338 states and 36055 transitions. [2024-11-14 05:47:11,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-14 05:47:11,538 INFO L276 IsEmpty]: Start isEmpty. Operand 24338 states and 36055 transitions. [2024-11-14 05:47:11,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-11-14 05:47:11,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:47:11,546 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:47:11,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 05:47:11,546 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:47:11,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:47:11,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1575815495, now seen corresponding path program 1 times [2024-11-14 05:47:11,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:47:11,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578463604] [2024-11-14 05:47:11,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:47:11,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:47:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:47:16,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1521 trivial. 0 not checked. [2024-11-14 05:47:16,975 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:47:16,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578463604] [2024-11-14 05:47:16,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578463604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:47:16,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:47:16,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:47:16,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877562811] [2024-11-14 05:47:16,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:47:16,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:47:16,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:47:16,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:47:16,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:47:16,979 INFO L87 Difference]: Start difference. First operand 24338 states and 36055 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-14 05:47:19,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:47:23,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:47:23,799 INFO L93 Difference]: Finished difference Result 24340 states and 36056 transitions. [2024-11-14 05:47:23,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:47:23,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 305 [2024-11-14 05:47:23,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:47:23,984 INFO L225 Difference]: With dead ends: 24340 [2024-11-14 05:47:23,984 INFO L226 Difference]: Without dead ends: 24337 [2024-11-14 05:47:24,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:47:24,009 INFO L432 NwaCegarLoop]: 4252 mSDtfsCounter, 4649 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4649 SdHoareTripleChecker+Valid, 4252 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-14 05:47:24,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4649 Valid, 4252 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 470 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-14 05:47:24,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24337 states. [2024-11-14 05:47:25,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24337 to 24337. [2024-11-14 05:47:25,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24337 states, 15034 states have (on average 1.3181455367832913) internal successors, (19817), 15658 states have internal predecessors, (19817), 8120 states have call successors, (8120), 1183 states have call predecessors, (8120), 1182 states have return successors, (8116), 7913 states have call predecessors, (8116), 8116 states have call successors, (8116) [2024-11-14 05:47:26,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24337 states to 24337 states and 36053 transitions. [2024-11-14 05:47:26,123 INFO L78 Accepts]: Start accepts. Automaton has 24337 states and 36053 transitions. Word has length 305 [2024-11-14 05:47:26,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:47:26,124 INFO L471 AbstractCegarLoop]: Abstraction has 24337 states and 36053 transitions. [2024-11-14 05:47:26,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-14 05:47:26,125 INFO L276 IsEmpty]: Start isEmpty. Operand 24337 states and 36053 transitions. [2024-11-14 05:47:26,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-14 05:47:26,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:47:26,135 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:47:26,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 05:47:26,136 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:47:26,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:47:26,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1607501721, now seen corresponding path program 1 times [2024-11-14 05:47:26,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:47:26,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228063932] [2024-11-14 05:47:26,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:47:26,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:47:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:47:31,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1521 trivial. 0 not checked. [2024-11-14 05:47:31,198 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:47:31,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228063932] [2024-11-14 05:47:31,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228063932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:47:31,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:47:31,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:47:31,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214883322] [2024-11-14 05:47:31,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:47:31,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:47:31,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:47:31,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:47:31,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:47:31,200 INFO L87 Difference]: Start difference. First operand 24337 states and 36053 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-14 05:47:33,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:47:40,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:47:40,605 INFO L93 Difference]: Finished difference Result 34057 states and 49663 transitions. [2024-11-14 05:47:40,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:47:40,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 306 [2024-11-14 05:47:40,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:47:40,868 INFO L225 Difference]: With dead ends: 34057 [2024-11-14 05:47:40,868 INFO L226 Difference]: Without dead ends: 34053 [2024-11-14 05:47:40,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:47:40,905 INFO L432 NwaCegarLoop]: 4255 mSDtfsCounter, 4182 mSDsluCounter, 2125 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4182 SdHoareTripleChecker+Valid, 6380 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-11-14 05:47:40,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4182 Valid, 6380 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 752 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2024-11-14 05:47:40,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34053 states. [2024-11-14 05:47:42,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34053 to 34051. [2024-11-14 05:47:42,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34051 states, 20991 states have (on average 1.3058453622981279) internal successors, (27411), 21816 states have internal predecessors, (27411), 11121 states have call successors, (11121), 1939 states have call predecessors, (11121), 1938 states have return successors, (11119), 10888 states have call predecessors, (11119), 11119 states have call successors, (11119) [2024-11-14 05:47:43,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34051 states to 34051 states and 49651 transitions. [2024-11-14 05:47:43,109 INFO L78 Accepts]: Start accepts. Automaton has 34051 states and 49651 transitions. Word has length 306 [2024-11-14 05:47:43,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:47:43,110 INFO L471 AbstractCegarLoop]: Abstraction has 34051 states and 49651 transitions. [2024-11-14 05:47:43,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-14 05:47:43,110 INFO L276 IsEmpty]: Start isEmpty. Operand 34051 states and 49651 transitions. [2024-11-14 05:47:43,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-11-14 05:47:43,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:47:43,116 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:47:43,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-14 05:47:43,116 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:47:43,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:47:43,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1705197436, now seen corresponding path program 1 times [2024-11-14 05:47:43,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:47:43,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22071052] [2024-11-14 05:47:43,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:47:43,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:47:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:47:48,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1521 trivial. 0 not checked. [2024-11-14 05:47:48,274 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:47:48,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22071052] [2024-11-14 05:47:48,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22071052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:47:48,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:47:48,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:47:48,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644138554] [2024-11-14 05:47:48,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:47:48,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 05:47:48,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:47:48,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 05:47:48,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:47:48,276 INFO L87 Difference]: Start difference. First operand 34051 states and 49651 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-14 05:47:50,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 05:47:55,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:47:55,721 INFO L93 Difference]: Finished difference Result 34053 states and 49652 transitions. [2024-11-14 05:47:55,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 05:47:55,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 307 [2024-11-14 05:47:55,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:47:55,934 INFO L225 Difference]: With dead ends: 34053 [2024-11-14 05:47:55,934 INFO L226 Difference]: Without dead ends: 33996 [2024-11-14 05:47:55,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 05:47:55,964 INFO L432 NwaCegarLoop]: 4247 mSDtfsCounter, 4641 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4641 SdHoareTripleChecker+Valid, 4247 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:47:55,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4641 Valid, 4247 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 469 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2024-11-14 05:47:55,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33996 states.