./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 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cb4cc-8093-4a97-ab5d-9772004884ba/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cb4cc-8093-4a97-ab5d-9772004884ba/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cb4cc-8093-4a97-ab5d-9772004884ba/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cb4cc-8093-4a97-ab5d-9772004884ba/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.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_180cb4cc-8093-4a97-ab5d-9772004884ba/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cb4cc-8093-4a97-ab5d-9772004884ba/bin/uautomizer-verify-bycVGegfSx --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3be4ac024b7f357f41d231fb5742f86a984717c473cc6044544e39e88c4f03b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:25:01,157 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:25:01,292 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cb4cc-8093-4a97-ab5d-9772004884ba/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:25:01,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:25:01,300 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:25:01,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:25:01,343 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:25:01,343 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:25:01,344 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:25:01,350 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:25:01,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:25:01,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:25:01,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:25:01,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:25:01,354 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:25:01,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:25:01,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:25:01,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:25:01,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:25:01,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:25:01,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:25:01,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:25:01,358 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:25:01,359 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:25:01,360 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:25:01,360 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:25:01,360 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:25:01,361 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:25:01,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:01,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:25:01,363 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:25:01,364 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:25:01,364 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:25:01,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:25:01,364 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:25:01,365 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:25:01,365 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:25:01,365 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:25:01,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:25:01,366 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_180cb4cc-8093-4a97-ab5d-9772004884ba/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cb4cc-8093-4a97-ab5d-9772004884ba/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be4ac024b7f357f41d231fb5742f86a984717c473cc6044544e39e88c4f03b3 [2023-11-21 22:25:01,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:25:01,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:25:01,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:25:01,737 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:25:01,738 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:25:01,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cb4cc-8093-4a97-ab5d-9772004884ba/bin/uautomizer-verify-bycVGegfSx/../../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 [2023-11-21 22:25:04,894 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:25:05,515 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:25:05,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cb4cc-8093-4a97-ab5d-9772004884ba/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 [2023-11-21 22:25:05,567 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cb4cc-8093-4a97-ab5d-9772004884ba/bin/uautomizer-verify-bycVGegfSx/data/e00f4f30c/306b5ba921d34d639ab16619402791d1/FLAG9fbd97ed4 [2023-11-21 22:25:05,586 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cb4cc-8093-4a97-ab5d-9772004884ba/bin/uautomizer-verify-bycVGegfSx/data/e00f4f30c/306b5ba921d34d639ab16619402791d1 [2023-11-21 22:25:05,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:25:05,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:25:05,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:05,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:25:05,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:25:05,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:05" (1/1) ... [2023-11-21 22:25:05,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@434b762e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:05, skipping insertion in model container [2023-11-21 22:25:05,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:25:05" (1/1) ... [2023-11-21 22:25:05,752 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:25:08,037 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_180cb4cc-8093-4a97-ab5d-9772004884ba/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] [2023-11-21 22:25:08,094 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-21 22:25:08,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:08,172 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:25:08,314 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] [2023-11-21 22:25:08,318 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] [2023-11-21 22:25:08,325 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] [2023-11-21 22:25:08,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%1,%0": "=q" (pfo_ret__): "m" (__preempt_count)); [6194] [2023-11-21 22:25:08,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6197] [2023-11-21 22:25:08,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6200] [2023-11-21 22:25:08,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%1,%0": "=r" (pfo_ret__): "m" (__preempt_count)); [6203] [2023-11-21 22:25:08,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [6268] [2023-11-21 22:25:08,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [6276] [2023-11-21 22:25:08,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [6283] [2023-11-21 22:25:08,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inw %w1, %w0": "=a" (value): "Nd" (port)); [6291] [2023-11-21 22:25:08,358 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] [2023-11-21 22:25:08,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6501-6502] [2023-11-21 22:25:08,364 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] [2023-11-21 22:25:08,365 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] [2023-11-21 22:25:08,461 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6925] [2023-11-21 22:25:08,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7948] [2023-11-21 22:25:08,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [7950] [2023-11-21 22:25:08,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8140] [2023-11-21 22:25:08,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8142] [2023-11-21 22:25:08,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8497] [2023-11-21 22:25:08,632 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8509] [2023-11-21 22:25:08,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8560] [2023-11-21 22:25:08,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("mfence": : : "memory"); [8699] [2023-11-21 22:25:08,699 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_180cb4cc-8093-4a97-ab5d-9772004884ba/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] [2023-11-21 22:25:08,705 WARN L635 FunctionHandler]: implicit declaration of function ldv_xmalloc [2023-11-21 22:25:08,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:25:08,843 WARN L675 CHandler]: The function ldv_xmalloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:25:08,844 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:25:08,844 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:25:08,853 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:25:08,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:08 WrapperNode [2023-11-21 22:25:08,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:25:08,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:08,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:25:08,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:25:08,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:08" (1/1) ... [2023-11-21 22:25:08,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:08" (1/1) ... [2023-11-21 22:25:09,238 INFO L138 Inliner]: procedures = 275, calls = 2324, calls flagged for inlining = 131, calls inlined = 123, statements flattened = 5387 [2023-11-21 22:25:09,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:25:09,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:25:09,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:25:09,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:25:09,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:08" (1/1) ... [2023-11-21 22:25:09,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:08" (1/1) ... [2023-11-21 22:25:09,315 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:08" (1/1) ... [2023-11-21 22:25:09,343 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Must not add nullpointer [2023-11-21 22:25:09,344 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:08" (1/1) ... [2023-11-21 22:25:09,344 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:08" (1/1) ... [2023-11-21 22:25:09,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:08" (1/1) ... [2023-11-21 22:25:09,500 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:08" (1/1) ... [2023-11-21 22:25:09,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:08" (1/1) ... [2023-11-21 22:25:09,564 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:08" (1/1) ... [2023-11-21 22:25:09,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:25:09,610 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:25:09,610 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:25:09,610 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:25:09,611 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:08" (1/1) ... [2023-11-21 22:25:09,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:25:09,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cb4cc-8093-4a97-ab5d-9772004884ba/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:25:09,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cb4cc-8093-4a97-ab5d-9772004884ba/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:25:09,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_180cb4cc-8093-4a97-ab5d-9772004884ba/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:25:09,690 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-21 22:25:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-21 22:25:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_2 [2023-11-21 22:25:09,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_2 [2023-11-21 22:25:09,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:25:09,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:25:09,692 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-21 22:25:09,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-21 22:25:09,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 22:25:09,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 22:25:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 22:25:09,694 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 22:25:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-21 22:25:09,694 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-21 22:25:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-21 22:25:09,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-21 22:25:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_count [2023-11-21 22:25:09,695 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_count [2023-11-21 22:25:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 22:25:09,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 22:25:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2023-11-21 22:25:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2023-11-21 22:25:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_status [2023-11-21 22:25:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_status [2023-11-21 22:25:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-21 22:25:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-21 22:25:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_status [2023-11-21 22:25:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_status [2023-11-21 22:25:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2023-11-21 22:25:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2023-11-21 22:25:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-21 22:25:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-21 22:25:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 22:25:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 22:25:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ring_debug [2023-11-21 22:25:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ring_debug [2023-11-21 22:25:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-21 22:25:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-21 22:25:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-21 22:25:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-21 22:25:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:25:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:25:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:25:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:25:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-21 22:25:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-21 22:25:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-21 22:25:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-21 22:25:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get [2023-11-21 22:25:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get [2023-11-21 22:25:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure ring_get [2023-11-21 22:25:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_get [2023-11-21 22:25:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-21 22:25:09,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-21 22:25:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:25:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-21 22:25:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_resume [2023-11-21 22:25:09,703 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_resume [2023-11-21 22:25:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-21 22:25:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-21 22:25:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:25:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-21 22:25:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-21 22:25:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-21 22:25:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2023-11-21 22:25:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2023-11-21 22:25:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_us_delta [2023-11-21 22:25:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_us_delta [2023-11-21 22:25:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-21 22:25:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-21 22:25:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_free_ring [2023-11-21 22:25:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_free_ring [2023-11-21 22:25:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure ring_last [2023-11-21 22:25:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_last [2023-11-21 22:25:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-21 22:25:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-21 22:25:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:25:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure ring_put [2023-11-21 22:25:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_put [2023-11-21 22:25:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2023-11-21 22:25:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2023-11-21 22:25:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:25:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:25:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:25:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-21 22:25:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-21 22:25:09,710 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2023-11-21 22:25:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2023-11-21 22:25:09,710 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-21 22:25:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-21 22:25:09,710 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_tx_timeout [2023-11-21 22:25:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_tx_timeout [2023-11-21 22:25:09,711 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-21 22:25:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-21 22:25:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-21 22:25:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-21 22:25:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 22:25:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 22:25:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-21 22:25:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-21 22:25:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 22:25:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 22:25:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_addr_status [2023-11-21 22:25:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_addr_status [2023-11-21 22:25:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 22:25:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_destroy_hwif [2023-11-21 22:25:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_destroy_hwif [2023-11-21 22:25:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 22:25:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 22:25:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 22:25:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_stop_hw [2023-11-21 22:25:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_stop_hw [2023-11-21 22:25:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure rd_get_addr [2023-11-21 22:25:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_get_addr [2023-11-21 22:25:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:25:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 22:25:09,717 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 22:25:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-21 22:25:09,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-21 22:25:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_irda_remove [2023-11-21 22:25:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_irda_remove [2023-11-21 22:25:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 22:25:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 22:25:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2023-11-21 22:25:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2023-11-21 22:25:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_clear_regs [2023-11-21 22:25:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_clear_regs [2023-11-21 22:25:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-21 22:25:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-21 22:25:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-21 22:25:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-21 22:25:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2023-11-21 22:25:09,731 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2023-11-21 22:25:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 22:25:09,731 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 22:25:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_start_hw [2023-11-21 22:25:09,733 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_start_hw [2023-11-21 22:25:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-21 22:25:09,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-21 22:25:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:25:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-21 22:25:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-21 22:25:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2023-11-21 22:25:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2023-11-21 22:25:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-21 22:25:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-21 22:25:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure rd_activate [2023-11-21 22:25:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_activate [2023-11-21 22:25:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-21 22:25:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-21 22:25:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 22:25:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 22:25:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure rd_is_active [2023-11-21 22:25:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_is_active [2023-11-21 22:25:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure irlap_close [2023-11-21 22:25:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure irlap_close [2023-11-21 22:25:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-21 22:25:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-21 22:25:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:25:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure rd_set_count [2023-11-21 22:25:09,736 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_set_count [2023-11-21 22:25:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-21 22:25:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-21 22:25:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2023-11-21 22:25:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2023-11-21 22:25:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:25:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-21 22:25:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-21 22:25:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-21 22:25:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-21 22:25:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:25:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-21 22:25:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_tx [2023-11-21 22:25:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_tx [2023-11-21 22:25:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-21 22:25:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-21 22:25:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_ioctl [2023-11-21 22:25:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_ioctl [2023-11-21 22:25:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_2 [2023-11-21 22:25:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_2 [2023-11-21 22:25:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-21 22:25:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-21 22:25:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_alloc_ring [2023-11-21 22:25:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_alloc_ring [2023-11-21 22:25:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_fill_rx [2023-11-21 22:25:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_fill_rx [2023-11-21 22:25:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-21 22:25:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-21 22:25:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_process_rx [2023-11-21 22:25:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_process_rx [2023-11-21 22:25:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2023-11-21 22:25:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2023-11-21 22:25:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_reg_debug [2023-11-21 22:25:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_reg_debug [2023-11-21 22:25:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:25:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure vlsi_set_baud [2023-11-21 22:25:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure vlsi_set_baud [2023-11-21 22:25:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2023-11-21 22:25:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2023-11-21 22:25:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure ring_first [2023-11-21 22:25:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ring_first [2023-11-21 22:25:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2023-11-21 22:25:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2023-11-21 22:25:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:25:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:25:10,583 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:25:10,592 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:25:11,165 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 22:25:21,528 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:25:24,539 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:25:24,540 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:25:24,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:24 BoogieIcfgContainer [2023-11-21 22:25:24,543 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:25:24,546 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:25:24,546 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:25:24,549 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:25:24,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:25:05" (1/3) ... [2023-11-21 22:25:24,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b3b55f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:25:24, skipping insertion in model container [2023-11-21 22:25:24,552 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:25:08" (2/3) ... [2023-11-21 22:25:24,552 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b3b55f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:25:24, skipping insertion in model container [2023-11-21 22:25:24,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:25:24" (3/3) ... [2023-11-21 22:25:24,554 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--vlsi_ir.ko-entry_point.cil.out.i [2023-11-21 22:25:24,575 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:25:24,576 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:25:24,682 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:25:24,691 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=PETRI_NET, 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;@d8ca7d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:25:24,692 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:25:24,708 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) [2023-11-21 22:25:24,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-21 22:25:24,753 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:25:24,754 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] [2023-11-21 22:25:24,754 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:25:24,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:24,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1187659797, now seen corresponding path program 1 times [2023-11-21 22:25:24,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:25:24,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483140496] [2023-11-21 22:25:24,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:24,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:25:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:25:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 22:25:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:25:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-21 22:25:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:25:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-21 22:25:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:25:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-21 22:25:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:25:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:25:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-21 22:25:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-21 22:25:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-21 22:25:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-21 22:25:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-21 22:25:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-21 22:25:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:26,439 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-11-21 22:25:26,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:25:26,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483140496] [2023-11-21 22:25:26,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483140496] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:25:26,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:25:26,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:25:26,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639506644] [2023-11-21 22:25:26,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:25:26,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:25:26,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:25:26,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:25:26,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:25:26,498 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 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-21 22:25:28,601 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 [] [2023-11-21 22:25:30,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:25:31,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:25:41,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:25:51,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:25:51,144 INFO L93 Difference]: Finished difference Result 4050 states and 5959 transitions. [2023-11-21 22:25:51,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 22:25:51,147 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (17), 5 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 [2023-11-21 22:25:51,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:25:51,200 INFO L225 Difference]: With dead ends: 4050 [2023-11-21 22:25:51,200 INFO L226 Difference]: Without dead ends: 2651 [2023-11-21 22:25:51,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-21 22:25:51,224 INFO L413 NwaCegarLoop]: 1440 mSDtfsCounter, 2385 mSDsluCounter, 3080 mSDsCounter, 0 mSdLazyCounter, 3138 mSolverCounterSat, 2464 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2626 SdHoareTripleChecker+Valid, 4520 SdHoareTripleChecker+Invalid, 5603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2464 IncrementalHoareTripleChecker+Valid, 3138 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2023-11-21 22:25:51,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2626 Valid, 4520 Invalid, 5603 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2464 Valid, 3138 Invalid, 1 Unknown, 0 Unchecked, 23.9s Time] [2023-11-21 22:25:51,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2651 states. [2023-11-21 22:25:51,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2651 to 2277. [2023-11-21 22:25:51,528 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) [2023-11-21 22:25:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2277 states to 2277 states and 3253 transitions. [2023-11-21 22:25:51,555 INFO L78 Accepts]: Start accepts. Automaton has 2277 states and 3253 transitions. Word has length 131 [2023-11-21 22:25:51,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:25:51,557 INFO L495 AbstractCegarLoop]: Abstraction has 2277 states and 3253 transitions. [2023-11-21 22:25:51,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-21 22:25:51,557 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 3253 transitions. [2023-11-21 22:25:51,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-21 22:25:51,568 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:25:51,568 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, 1] [2023-11-21 22:25:51,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:25:51,569 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:25:51,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:25:51,570 INFO L85 PathProgramCache]: Analyzing trace with hash -817819371, now seen corresponding path program 1 times [2023-11-21 22:25:51,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:25:51,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992414450] [2023-11-21 22:25:51,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:25:51,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:25:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:52,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:52,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:52,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:25:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:52,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 22:25:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:52,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:52,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:25:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:52,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-21 22:25:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:52,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:52,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:25:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:52,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-21 22:25:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:52,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:52,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:25:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:52,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-21 22:25:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:52,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:52,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:25:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:52,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-21 22:25:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:52,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:52,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-21 22:25:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:25:52,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:25:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat