./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0690ba-07e7-432c-b25f-fe28b2a67884/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0690ba-07e7-432c-b25f-fe28b2a67884/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0690ba-07e7-432c-b25f-fe28b2a67884/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0690ba-07e7-432c-b25f-fe28b2a67884/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0690ba-07e7-432c-b25f-fe28b2a67884/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0690ba-07e7-432c-b25f-fe28b2a67884/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3be4ac024b7f357f41d231fb5742f86a984717c473cc6044544e39e88c4f03b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:01:50,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:01:50,326 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0690ba-07e7-432c-b25f-fe28b2a67884/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 01:01:50,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:01:50,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:01:50,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:01:50,385 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:01:50,386 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:01:50,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:01:50,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:01:50,393 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:01:50,394 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:01:50,394 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:01:50,396 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:01:50,397 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:01:50,397 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:01:50,398 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:01:50,398 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:01:50,399 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:01:50,399 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:01:50,400 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:01:50,401 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:01:50,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:01:50,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:01:50,403 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:01:50,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:01:50,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:01:50,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:01:50,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:01:50,406 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:01:50,407 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:01:50,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:01:50,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:01:50,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:01:50,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:01:50,409 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:01:50,409 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:01:50,410 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:01:50,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:01:50,410 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:01:50,410 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:01:50,411 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:01:50,411 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0690ba-07e7-432c-b25f-fe28b2a67884/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0690ba-07e7-432c-b25f-fe28b2a67884/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be4ac024b7f357f41d231fb5742f86a984717c473cc6044544e39e88c4f03b3 [2023-11-12 01:01:50,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:01:50,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:01:50,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:01:50,785 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:01:50,786 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:01:50,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0690ba-07e7-432c-b25f-fe28b2a67884/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i [2023-11-12 01:01:53,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:01:54,626 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:01:54,628 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0690ba-07e7-432c-b25f-fe28b2a67884/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i [2023-11-12 01:01:54,685 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0690ba-07e7-432c-b25f-fe28b2a67884/bin/utaipan-verify-NcY6lQBIFX/data/c641280f7/b249be3d94f74c13a5c24237ae43a721/FLAG693d3468b [2023-11-12 01:01:54,711 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0690ba-07e7-432c-b25f-fe28b2a67884/bin/utaipan-verify-NcY6lQBIFX/data/c641280f7/b249be3d94f74c13a5c24237ae43a721 [2023-11-12 01:01:54,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:01:54,719 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:01:54,721 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:01:54,721 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:01:54,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:01:54,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:01:54" (1/1) ... [2023-11-12 01:01:54,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284e32d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:54, skipping insertion in model container [2023-11-12 01:01:54,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:01:54" (1/1) ... [2023-11-12 01:01:54,937 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:01:57,497 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0690ba-07e7-432c-b25f-fe28b2a67884/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i[293856,293869] [2023-11-12 01:01:57,554 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-12 01:01:57,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:01:57,619 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:01:57,801 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"); [6039] [2023-11-12 01:01:57,804 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)); [6046] [2023-11-12 01:01:57,813 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; incl %0": "+m" (v->counter)); [6183] [2023-11-12 01:01:57,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6194] [2023-11-12 01:01:57,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6197] [2023-11-12 01:01:57,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6200] [2023-11-12 01:01:57,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6203] [2023-11-12 01:01:57,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6268] [2023-11-12 01:01:57,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6276] [2023-11-12 01:01:57,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [6283] [2023-11-12 01:01:57,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [6291] [2023-11-12 01:01:57,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6472-6473] [2023-11-12 01:01:57,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6501-6502] [2023-11-12 01:01:57,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (108), "i" (12UL)); [6531-6532] [2023-11-12 01:01:57,856 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (120), "i" (12UL)); [6561-6562] [2023-11-12 01:01:57,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6925] [2023-11-12 01:01:57,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7948] [2023-11-12 01:01:57,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7950] [2023-11-12 01:01:58,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8140] [2023-11-12 01:01:58,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8142] [2023-11-12 01:01:58,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8497] [2023-11-12 01:01:58,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8509] [2023-11-12 01:01:58,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8560] [2023-11-12 01:01:58,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8699] [2023-11-12 01:01:58,103 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0690ba-07e7-432c-b25f-fe28b2a67884/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i[293856,293869] [2023-11-12 01:01:58,108 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-12 01:01:58,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:01:58,327 WARN L672 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 01:01:58,327 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 01:01:58,327 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 01:01:58,336 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:01:58,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58 WrapperNode [2023-11-12 01:01:58,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:01:58,338 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:01:58,338 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:01:58,339 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:01:58,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (1/1) ... [2023-11-12 01:01:58,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (1/1) ... [2023-11-12 01:01:58,654 INFO L138 Inliner]: procedures = 275, calls = 2324, calls flagged for inlining = 131, calls inlined = 123, statements flattened = 5387 [2023-11-12 01:01:58,655 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:01:58,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:01:58,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:01:58,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:01:58,667 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (1/1) ... [2023-11-12 01:01:58,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (1/1) ... [2023-11-12 01:01:58,691 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (1/1) ... [2023-11-12 01:01:58,692 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (1/1) ... [2023-11-12 01:01:58,839 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (1/1) ... [2023-11-12 01:01:58,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (1/1) ... [2023-11-12 01:01:58,905 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (1/1) ... [2023-11-12 01:01:59,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (1/1) ... [2023-11-12 01:01:59,043 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:01:59,044 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:01:59,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:01:59,045 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:01:59,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (1/1) ... [2023-11-12 01:01:59,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:01:59,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0690ba-07e7-432c-b25f-fe28b2a67884/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:01:59,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0690ba-07e7-432c-b25f-fe28b2a67884/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:01:59,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0690ba-07e7-432c-b25f-fe28b2a67884/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:01:59,118 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-12 01:01:59,119 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-12 01:01:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_2 [2023-11-12 01:01:59,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_2 [2023-11-12 01:01:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 01:01:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 01:01:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-12 01:01:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-12 01:01:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 01:01:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 01:01:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 01:01:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 01:01:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 01:01:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 01:01:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-12 01:01:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-12 01:01:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_count [2023-11-12 01:01:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_count [2023-11-12 01:01:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 01:01:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 01:01:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-12 01:01:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-12 01:01:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_status [2023-11-12 01:01:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_status [2023-11-12 01:01:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-12 01:01:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-12 01:01:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_status [2023-11-12 01:01:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_status [2023-11-12 01:01:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2023-11-12 01:01:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2023-11-12 01:01:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 01:01:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 01:01:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 01:01:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 01:01:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ring_debug [2023-11-12 01:01:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ring_debug [2023-11-12 01:01:59,126 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 01:01:59,126 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 01:01:59,126 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 01:01:59,126 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 01:01:59,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 01:01:59,127 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 01:01:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 01:01:59,127 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 01:01:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-12 01:01:59,127 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-12 01:01:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-12 01:01:59,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-12 01:01:59,128 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2023-11-12 01:01:59,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2023-11-12 01:01:59,128 INFO L130 BoogieDeclarations]: Found specification of procedure ring_get [2023-11-12 01:01:59,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_get [2023-11-12 01:01:59,128 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-12 01:01:59,128 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-12 01:01:59,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 01:01:59,129 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 01:01:59,129 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_resume [2023-11-12 01:01:59,129 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_resume [2023-11-12 01:01:59,129 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 01:01:59,130 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 01:01:59,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 01:01:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-12 01:01:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-12 01:01:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 01:01:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2023-11-12 01:01:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2023-11-12 01:01:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_us_delta [2023-11-12 01:01:59,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_us_delta [2023-11-12 01:01:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 01:01:59,132 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 01:01:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_free_ring [2023-11-12 01:01:59,132 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_free_ring [2023-11-12 01:01:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure ring_last [2023-11-12 01:01:59,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_last [2023-11-12 01:01:59,133 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-12 01:01:59,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-12 01:01:59,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 01:01:59,133 INFO L130 BoogieDeclarations]: Found specification of procedure ring_put [2023-11-12 01:01:59,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_put [2023-11-12 01:01:59,133 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-12 01:01:59,133 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-12 01:01:59,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 01:01:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 01:01:59,134 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 01:01:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-12 01:01:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-12 01:01:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-12 01:01:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-12 01:01:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 01:01:59,136 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 01:01:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_tx_timeout [2023-11-12 01:01:59,136 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_tx_timeout [2023-11-12 01:01:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-12 01:01:59,136 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-12 01:01:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 01:01:59,137 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 01:01:59,137 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 01:01:59,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 01:01:59,137 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-12 01:01:59,137 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-12 01:01:59,137 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 01:01:59,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 01:01:59,137 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_addr_status [2023-11-12 01:01:59,137 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_addr_status [2023-11-12 01:01:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 01:01:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_destroy_hwif [2023-11-12 01:01:59,138 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_destroy_hwif [2023-11-12 01:01:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 01:01:59,138 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 01:01:59,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 01:01:59,139 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_stop_hw [2023-11-12 01:01:59,139 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_stop_hw [2023-11-12 01:01:59,139 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_addr [2023-11-12 01:01:59,139 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_addr [2023-11-12 01:01:59,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 01:01:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 01:01:59,141 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 01:01:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 01:01:59,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 01:01:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_remove [2023-11-12 01:01:59,142 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_remove [2023-11-12 01:01:59,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 01:01:59,145 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 01:01:59,146 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-12 01:01:59,146 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-12 01:01:59,146 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_clear_regs [2023-11-12 01:01:59,146 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_clear_regs [2023-11-12 01:01:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 01:01:59,148 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 01:01:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 01:01:59,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 01:01:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-12 01:01:59,154 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-12 01:01:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 01:01:59,154 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 01:01:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_start_hw [2023-11-12 01:01:59,154 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_start_hw [2023-11-12 01:01:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-12 01:01:59,154 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-12 01:01:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 01:01:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-12 01:01:59,155 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-12 01:01:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-12 01:01:59,155 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-12 01:01:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-12 01:01:59,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-12 01:01:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure rd_activate [2023-11-12 01:01:59,155 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_activate [2023-11-12 01:01:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-12 01:01:59,156 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-12 01:01:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 01:01:59,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 01:01:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure rd_is_active [2023-11-12 01:01:59,156 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_is_active [2023-11-12 01:01:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_close [2023-11-12 01:01:59,156 INFO L138 BoogieDeclarations]: Found implementation of procedure irlap_close [2023-11-12 01:01:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 01:01:59,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 01:01:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 01:01:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_count [2023-11-12 01:01:59,157 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_count [2023-11-12 01:01:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 01:01:59,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 01:01:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-12 01:01:59,157 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-12 01:01:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:01:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-12 01:01:59,158 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-12 01:01:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 01:01:59,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 01:01:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 01:01:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 01:01:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_tx [2023-11-12 01:01:59,158 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_tx [2023-11-12 01:01:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-12 01:01:59,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-12 01:01:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ioctl [2023-11-12 01:01:59,159 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ioctl [2023-11-12 01:01:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_2 [2023-11-12 01:01:59,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_2 [2023-11-12 01:01:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 01:01:59,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 01:01:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_alloc_ring [2023-11-12 01:01:59,159 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_alloc_ring [2023-11-12 01:01:59,159 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_fill_rx [2023-11-12 01:01:59,159 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_fill_rx [2023-11-12 01:01:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-12 01:01:59,160 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-12 01:01:59,160 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_rx [2023-11-12 01:01:59,160 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_rx [2023-11-12 01:01:59,161 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-12 01:01:59,161 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-12 01:01:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_reg_debug [2023-11-12 01:01:59,162 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_reg_debug [2023-11-12 01:01:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 01:01:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_set_baud [2023-11-12 01:01:59,162 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_set_baud [2023-11-12 01:01:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-12 01:01:59,162 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-12 01:01:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure ring_first [2023-11-12 01:01:59,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_first [2023-11-12 01:01:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2023-11-12 01:01:59,163 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2023-11-12 01:01:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:01:59,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:01:59,877 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:01:59,889 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:02:00,455 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 01:02:11,418 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:02:13,574 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:02:13,575 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 01:02:13,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:02:13 BoogieIcfgContainer [2023-11-12 01:02:13,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:02:13,586 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:02:13,586 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:02:13,590 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:02:13,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:01:54" (1/3) ... [2023-11-12 01:02:13,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762934e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:02:13, skipping insertion in model container [2023-11-12 01:02:13,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:01:58" (2/3) ... [2023-11-12 01:02:13,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762934e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:02:13, skipping insertion in model container [2023-11-12 01:02:13,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:02:13" (3/3) ... [2023-11-12 01:02:13,595 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i [2023-11-12 01:02:13,618 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:02:13,618 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:02:13,736 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:02:13,744 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7921a316, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:02:13,745 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:02:13,762 INFO L276 IsEmpty]: Start isEmpty. Operand has 1393 states, 836 states have (on average 1.3026315789473684) internal successors, (1089), 870 states have internal predecessors, (1089), 463 states have call successors, (463), 93 states have call predecessors, (463), 92 states have return successors, (456), 456 states have call predecessors, (456), 456 states have call successors, (456) [2023-11-12 01:02:13,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-12 01:02:13,793 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:02:13,794 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:02:13,794 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:02:13,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:02:13,800 INFO L85 PathProgramCache]: Analyzing trace with hash -857356680, now seen corresponding path program 1 times [2023-11-12 01:02:13,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:02:13,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636386875] [2023-11-12 01:02:13,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:02:13,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:02:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:02:15,057 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-11-12 01:02:15,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:02:15,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636386875] [2023-11-12 01:02:15,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636386875] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:02:15,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:02:15,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 01:02:15,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529224618] [2023-11-12 01:02:15,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:02:15,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:02:15,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:02:15,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:02:15,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:02:15,131 INFO L87 Difference]: Start difference. First operand has 1393 states, 836 states have (on average 1.3026315789473684) internal successors, (1089), 870 states have internal predecessors, (1089), 463 states have call successors, (463), 93 states have call predecessors, (463), 92 states have return successors, (456), 456 states have call predecessors, (456), 456 states have call successors, (456) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-12 01:02:17,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:02:22,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:02:22,444 INFO L93 Difference]: Finished difference Result 3680 states and 5323 transitions. [2023-11-12 01:02:22,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 01:02:22,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 131 [2023-11-12 01:02:22,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:02:22,611 INFO L225 Difference]: With dead ends: 3680 [2023-11-12 01:02:22,611 INFO L226 Difference]: Without dead ends: 2281 [2023-11-12 01:02:22,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:02:22,635 INFO L413 NwaCegarLoop]: 1830 mSDtfsCounter, 1358 mSDsluCounter, 1723 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1358 SdHoareTripleChecker+Valid, 3553 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-11-12 01:02:22,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1358 Valid, 3553 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 418 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2023-11-12 01:02:22,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2281 states. [2023-11-12 01:02:22,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2281 to 2277. [2023-11-12 01:02:22,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2277 states, 1372 states have (on average 1.2871720116618075) internal successors, (1766), 1411 states have internal predecessors, (1766), 742 states have call successors, (742), 163 states have call predecessors, (742), 162 states have return successors, (745), 740 states have call predecessors, (745), 741 states have call successors, (745) [2023-11-12 01:02:22,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2277 states to 2277 states and 3253 transitions. [2023-11-12 01:02:22,883 INFO L78 Accepts]: Start accepts. Automaton has 2277 states and 3253 transitions. Word has length 131 [2023-11-12 01:02:22,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:02:22,885 INFO L495 AbstractCegarLoop]: Abstraction has 2277 states and 3253 transitions. [2023-11-12 01:02:22,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-12 01:02:22,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 3253 transitions. [2023-11-12 01:02:22,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-11-12 01:02:22,898 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:02:22,898 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:02:22,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 01:02:22,899 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:02:22,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:02:22,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1657156850, now seen corresponding path program 1 times [2023-11-12 01:02:22,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:02:22,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182259620] [2023-11-12 01:02:22,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:02:22,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:02:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:02:23,997 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-11-12 01:02:23,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:02:23,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182259620] [2023-11-12 01:02:23,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182259620] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:02:23,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:02:23,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 01:02:23,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947741191] [2023-11-12 01:02:23,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:02:24,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 01:02:24,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:02:24,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 01:02:24,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:02:24,003 INFO L87 Difference]: Start difference. First operand 2277 states and 3253 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-11-12 01:02:29,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:02:32,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:02:35,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:02:35,753 INFO L93 Difference]: Finished difference Result 6678 states and 9540 transitions. [2023-11-12 01:02:35,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 01:02:35,754 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 186 [2023-11-12 01:02:35,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:02:35,795 INFO L225 Difference]: With dead ends: 6678 [2023-11-12 01:02:35,795 INFO L226 Difference]: Without dead ends: 4429 [2023-11-12 01:02:35,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 01:02:35,811 INFO L413 NwaCegarLoop]: 1843 mSDtfsCounter, 1781 mSDsluCounter, 5419 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1785 SdHoareTripleChecker+Valid, 7262 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2023-11-12 01:02:35,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1785 Valid, 7262 Invalid, 840 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 11.4s Time] [2023-11-12 01:02:35,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4429 states. [2023-11-12 01:02:36,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4429 to 4413. [2023-11-12 01:02:36,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4413 states, 2662 states have (on average 1.288129226145755) internal successors, (3429), 2740 states have internal predecessors, (3429), 1430 states have call successors, (1430), 321 states have call predecessors, (1430), 320 states have return successors, (1437), 1426 states have call predecessors, (1437), 1429 states have call successors, (1437) [2023-11-12 01:02:36,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4413 states to 4413 states and 6296 transitions. [2023-11-12 01:02:36,107 INFO L78 Accepts]: Start accepts. Automaton has 4413 states and 6296 transitions. Word has length 186 [2023-11-12 01:02:36,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:02:36,108 INFO L495 AbstractCegarLoop]: Abstraction has 4413 states and 6296 transitions. [2023-11-12 01:02:36,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-11-12 01:02:36,108 INFO L276 IsEmpty]: Start isEmpty. Operand 4413 states and 6296 transitions. [2023-11-12 01:02:36,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-12 01:02:36,115 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:02:36,115 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:02:36,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 01:02:36,116 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:02:36,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:02:36,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1730625237, now seen corresponding path program 1 times [2023-11-12 01:02:36,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:02:36,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75028223] [2023-11-12 01:02:36,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:02:36,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:02:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:02:37,009 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-11-12 01:02:37,010 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:02:37,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75028223] [2023-11-12 01:02:37,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75028223] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:02:37,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:02:37,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 01:02:37,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863700257] [2023-11-12 01:02:37,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:02:37,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 01:02:37,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:02:37,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 01:02:37,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:02:37,014 INFO L87 Difference]: Start difference. First operand 4413 states and 6296 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2023-11-12 01:02:39,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 01:02:41,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []